./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--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 215f888dc671693e11ab9e6bd2129df5ac5b9449825c6d5223962a3561afda36 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:36:45,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:36:45,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:36:45,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:36:45,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:36:45,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:36:45,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:36:45,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:36:45,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:36:45,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:36:45,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:36:45,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:36:45,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:36:45,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:36:45,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:36:45,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:36:45,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:36:45,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:36:45,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:36:45,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:36:45,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:36:45,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:36:45,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:36:45,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:36:45,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:36:45,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:36:45,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:36:45,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:36:45,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:36:45,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:36:45,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:36:45,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:36:45,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:36:45,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:36:45,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:36:45,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:36:45,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:36:45,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:36:45,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:36:45,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:36:45,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:36:45,945 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 13:36:45,990 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:36:45,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:36:45,998 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:36:45,999 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:36:45,999 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:36:45,999 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:36:45,999 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:36:45,999 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:36:46,000 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:36:46,000 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:36:46,001 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:36:46,001 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:36:46,001 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:36:46,002 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:36:46,002 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:36:46,002 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:36:46,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:36:46,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:36:46,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:36:46,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:36:46,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:36:46,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:36:46,004 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:36:46,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:36:46,005 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:36:46,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:36:46,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:36:46,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:36:46,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:36:46,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:36:46,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:36:46,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:36:46,007 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:36:46,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:36:46,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:36:46,007 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:36:46,007 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:36:46,008 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_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 215f888dc671693e11ab9e6bd2129df5ac5b9449825c6d5223962a3561afda36 [2021-11-19 13:36:46,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:36:46,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:36:46,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:36:46,309 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:36:46,310 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:36:46,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i [2021-11-19 13:36:46,415 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/data/066fffe87/7a08ce9f543b429087d5bd16b61cde9e/FLAG79bb4a1ab [2021-11-19 13:36:47,536 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:36:47,538 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i [2021-11-19 13:36:47,625 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/data/066fffe87/7a08ce9f543b429087d5bd16b61cde9e/FLAG79bb4a1ab [2021-11-19 13:36:47,774 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/data/066fffe87/7a08ce9f543b429087d5bd16b61cde9e [2021-11-19 13:36:47,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:36:47,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:36:47,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:36:47,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:36:47,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:36:47,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:36:47" (1/1) ... [2021-11-19 13:36:47,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63cb3f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:36:47, skipping insertion in model container [2021-11-19 13:36:47,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:36:47" (1/1) ... [2021-11-19 13:36:47,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:36:48,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:36:50,553 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:50,553 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:50,867 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:50,878 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:50,883 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:50,885 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:50,915 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:50,929 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:50,951 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:50,952 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:50,976 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:50,976 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:50,990 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:50,991 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,032 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,047 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,060 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,101 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,127 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,138 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,165 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,215 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,217 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,240 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,259 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,260 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,272 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,299 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,315 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,325 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,335 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,343 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,353 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,361 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,370 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,380 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,389 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,400 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,400 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,401 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,418 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,429 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,437 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,475 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,476 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,476 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,494 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:51,494 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,268 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,269 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,270 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,271 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,271 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,273 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,273 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,274 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,274 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,275 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,279 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,280 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,282 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,282 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,283 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,283 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,283 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,284 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,284 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,284 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,288 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,292 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,297 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,301 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,305 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,317 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,322 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,325 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,327 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,329 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,343 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,345 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,348 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,348 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,349 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,353 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,354 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,378 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,389 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,405 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,417 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,473 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,483 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,499 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,507 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,508 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,518 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,519 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,526 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,542 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,556 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,570 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,571 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,579 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,593 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,608 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,618 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,620 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,627 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,642 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,650 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,658 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,696 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,698 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,699 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,699 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,700 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,701 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,702 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,702 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,739 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,765 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:52,782 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:53,156 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:53,163 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:36:54,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[628967,628980] [2021-11-19 13:36:54,876 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629112,629125] [2021-11-19 13:36:54,876 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629258,629271] [2021-11-19 13:36:54,877 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629423,629436] [2021-11-19 13:36:54,877 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629581,629594] [2021-11-19 13:36:54,878 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629739,629752] [2021-11-19 13:36:54,878 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629897,629910] [2021-11-19 13:36:54,879 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630057,630070] [2021-11-19 13:36:54,879 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630216,630229] [2021-11-19 13:36:54,881 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630355,630368] [2021-11-19 13:36:54,882 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630497,630510] [2021-11-19 13:36:54,890 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630646,630659] [2021-11-19 13:36:54,891 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630785,630798] [2021-11-19 13:36:54,891 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630940,630953] [2021-11-19 13:36:54,892 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631100,631113] [2021-11-19 13:36:54,892 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631251,631264] [2021-11-19 13:36:54,893 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631402,631415] [2021-11-19 13:36:54,893 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631554,631567] [2021-11-19 13:36:54,894 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631703,631716] [2021-11-19 13:36:54,895 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631851,631864] [2021-11-19 13:36:54,898 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632008,632021] [2021-11-19 13:36:54,898 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632157,632170] [2021-11-19 13:36:54,899 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632313,632326] [2021-11-19 13:36:54,899 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632466,632479] [2021-11-19 13:36:54,901 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632612,632625] [2021-11-19 13:36:54,902 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632755,632768] [2021-11-19 13:36:54,902 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632907,632920] [2021-11-19 13:36:54,904 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633053,633066] [2021-11-19 13:36:54,904 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633198,633211] [2021-11-19 13:36:54,905 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633352,633365] [2021-11-19 13:36:54,906 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633503,633516] [2021-11-19 13:36:54,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633658,633671] [2021-11-19 13:36:54,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633810,633823] [2021-11-19 13:36:54,908 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633965,633978] [2021-11-19 13:36:54,909 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634129,634142] [2021-11-19 13:36:54,910 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634285,634298] [2021-11-19 13:36:54,910 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634449,634462] [2021-11-19 13:36:54,911 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634591,634604] [2021-11-19 13:36:54,911 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634749,634762] [2021-11-19 13:36:54,912 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634916,634929] [2021-11-19 13:36:54,912 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635075,635088] [2021-11-19 13:36:54,912 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635234,635247] [2021-11-19 13:36:54,913 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635383,635396] [2021-11-19 13:36:54,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635530,635543] [2021-11-19 13:36:54,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635669,635682] [2021-11-19 13:36:54,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635832,635845] [2021-11-19 13:36:54,916 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635998,636011] [2021-11-19 13:36:54,917 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636162,636175] [2021-11-19 13:36:54,917 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636327,636340] [2021-11-19 13:36:54,918 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636492,636505] [2021-11-19 13:36:54,918 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636658,636671] [2021-11-19 13:36:54,919 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636823,636836] [2021-11-19 13:36:54,920 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636990,637003] [2021-11-19 13:36:54,920 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637150,637163] [2021-11-19 13:36:54,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637312,637325] [2021-11-19 13:36:54,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637471,637484] [2021-11-19 13:36:54,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637617,637630] [2021-11-19 13:36:54,923 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637760,637773] [2021-11-19 13:36:54,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637904,637917] [2021-11-19 13:36:54,925 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638047,638060] [2021-11-19 13:36:54,925 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638191,638204] [2021-11-19 13:36:54,926 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638332,638345] [2021-11-19 13:36:54,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638470,638483] [2021-11-19 13:36:54,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638628,638641] [2021-11-19 13:36:54,928 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638787,638800] [2021-11-19 13:36:54,928 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638943,638956] [2021-11-19 13:36:54,928 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639092,639105] [2021-11-19 13:36:54,929 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639244,639257] [2021-11-19 13:36:54,929 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639395,639408] [2021-11-19 13:36:54,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639544,639557] [2021-11-19 13:36:54,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639696,639709] [2021-11-19 13:36:54,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639844,639857] [2021-11-19 13:36:54,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639997,640010] [2021-11-19 13:36:54,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640148,640161] [2021-11-19 13:36:54,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640298,640311] [2021-11-19 13:36:54,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640445,640458] [2021-11-19 13:36:54,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640596,640609] [2021-11-19 13:36:54,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640747,640760] [2021-11-19 13:36:54,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640895,640908] [2021-11-19 13:36:54,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641061,641074] [2021-11-19 13:36:54,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641230,641243] [2021-11-19 13:36:54,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641397,641410] [2021-11-19 13:36:54,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641565,641578] [2021-11-19 13:36:54,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641715,641728] [2021-11-19 13:36:54,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641862,641875] [2021-11-19 13:36:54,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642023,642036] [2021-11-19 13:36:54,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642193,642206] [2021-11-19 13:36:54,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642355,642368] [2021-11-19 13:36:54,974 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:36:55,053 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 13:36:55,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5f92f407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:36:55, skipping insertion in model container [2021-11-19 13:36:55,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:36:55,055 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 13:36:55,057 INFO L158 Benchmark]: Toolchain (without parser) took 7277.11ms. Allocated memory was 90.2MB in the beginning and 151.0MB in the end (delta: 60.8MB). Free memory was 50.5MB in the beginning and 53.6MB in the end (delta: -3.1MB). Peak memory consumption was 78.1MB. Max. memory is 16.1GB. [2021-11-19 13:36:55,057 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:36:55,058 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7272.61ms. Allocated memory was 90.2MB in the beginning and 151.0MB in the end (delta: 60.8MB). Free memory was 50.2MB in the beginning and 53.6MB in the end (delta: -3.4MB). Peak memory consumption was 78.1MB. Max. memory is 16.1GB. [2021-11-19 13:36:55,060 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory is still 44.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7272.61ms. Allocated memory was 90.2MB in the beginning and 151.0MB in the end (delta: 60.8MB). Free memory was 50.2MB in the beginning and 53.6MB in the end (delta: -3.4MB). Peak memory consumption was 78.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8265]: 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_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 215f888dc671693e11ab9e6bd2129df5ac5b9449825c6d5223962a3561afda36 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:36:57,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:36:57,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:36:57,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:36:57,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:36:57,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:36:57,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:36:57,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:36:57,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:36:57,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:36:57,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:36:57,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:36:57,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:36:57,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:36:57,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:36:57,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:36:57,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:36:57,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:36:57,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:36:57,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:36:57,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:36:57,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:36:57,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:36:57,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:36:57,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:36:57,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:36:57,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:36:57,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:36:57,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:36:57,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:36:57,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:36:57,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:36:57,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:36:57,277 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:36:57,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:36:57,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:36:57,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:36:57,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:36:57,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:36:57,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:36:57,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:36:57,284 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 13:36:57,312 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:36:57,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:36:57,313 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:36:57,314 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:36:57,314 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:36:57,314 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:36:57,315 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:36:57,315 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:36:57,315 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:36:57,315 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:36:57,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:36:57,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:36:57,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:36:57,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:36:57,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:36:57,318 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:36:57,318 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:36:57,318 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:36:57,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:36:57,319 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:36:57,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:36:57,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:36:57,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:36:57,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:36:57,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:36:57,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:36:57,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:36:57,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:36:57,321 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:36:57,321 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:36:57,322 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:36:57,322 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:36:57,324 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:36:57,327 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_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 215f888dc671693e11ab9e6bd2129df5ac5b9449825c6d5223962a3561afda36 [2021-11-19 13:36:57,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:36:57,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:36:57,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:36:57,757 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:36:57,759 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:36:57,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i [2021-11-19 13:36:57,847 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/data/330493edd/275e1519e6e642b1a29c5bc9a2386e91/FLAG92df4266f [2021-11-19 13:36:59,077 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:36:59,078 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i [2021-11-19 13:36:59,167 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/data/330493edd/275e1519e6e642b1a29c5bc9a2386e91/FLAG92df4266f [2021-11-19 13:36:59,211 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/data/330493edd/275e1519e6e642b1a29c5bc9a2386e91 [2021-11-19 13:36:59,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:36:59,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:36:59,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:36:59,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:36:59,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:36:59,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:36:59" (1/1) ... [2021-11-19 13:36:59,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b3335fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:36:59, skipping insertion in model container [2021-11-19 13:36:59,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:36:59" (1/1) ... [2021-11-19 13:36:59,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:36:59,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:37:04,015 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:37:04,066 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:37:04,115 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:37:06,235 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[628967,628980] [2021-11-19 13:37:06,238 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629112,629125] [2021-11-19 13:37:06,239 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629258,629271] [2021-11-19 13:37:06,240 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629423,629436] [2021-11-19 13:37:06,240 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629581,629594] [2021-11-19 13:37:06,241 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629739,629752] [2021-11-19 13:37:06,241 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629897,629910] [2021-11-19 13:37:06,242 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630057,630070] [2021-11-19 13:37:06,242 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630216,630229] [2021-11-19 13:37:06,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630355,630368] [2021-11-19 13:37:06,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630497,630510] [2021-11-19 13:37:06,244 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630646,630659] [2021-11-19 13:37:06,244 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630785,630798] [2021-11-19 13:37:06,244 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630940,630953] [2021-11-19 13:37:06,245 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631100,631113] [2021-11-19 13:37:06,245 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631251,631264] [2021-11-19 13:37:06,246 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631402,631415] [2021-11-19 13:37:06,246 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631554,631567] [2021-11-19 13:37:06,247 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631703,631716] [2021-11-19 13:37:06,247 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631851,631864] [2021-11-19 13:37:06,255 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632008,632021] [2021-11-19 13:37:06,261 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632157,632170] [2021-11-19 13:37:06,261 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632313,632326] [2021-11-19 13:37:06,262 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632466,632479] [2021-11-19 13:37:06,262 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632612,632625] [2021-11-19 13:37:06,263 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632755,632768] [2021-11-19 13:37:06,263 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632907,632920] [2021-11-19 13:37:06,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633053,633066] [2021-11-19 13:37:06,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633198,633211] [2021-11-19 13:37:06,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633352,633365] [2021-11-19 13:37:06,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633503,633516] [2021-11-19 13:37:06,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633658,633671] [2021-11-19 13:37:06,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633810,633823] [2021-11-19 13:37:06,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633965,633978] [2021-11-19 13:37:06,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634129,634142] [2021-11-19 13:37:06,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634285,634298] [2021-11-19 13:37:06,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634449,634462] [2021-11-19 13:37:06,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634591,634604] [2021-11-19 13:37:06,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634749,634762] [2021-11-19 13:37:06,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634916,634929] [2021-11-19 13:37:06,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635075,635088] [2021-11-19 13:37:06,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635234,635247] [2021-11-19 13:37:06,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635383,635396] [2021-11-19 13:37:06,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635530,635543] [2021-11-19 13:37:06,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635669,635682] [2021-11-19 13:37:06,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635832,635845] [2021-11-19 13:37:06,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635998,636011] [2021-11-19 13:37:06,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636162,636175] [2021-11-19 13:37:06,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636327,636340] [2021-11-19 13:37:06,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636492,636505] [2021-11-19 13:37:06,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636658,636671] [2021-11-19 13:37:06,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636823,636836] [2021-11-19 13:37:06,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636990,637003] [2021-11-19 13:37:06,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637150,637163] [2021-11-19 13:37:06,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637312,637325] [2021-11-19 13:37:06,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637471,637484] [2021-11-19 13:37:06,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637617,637630] [2021-11-19 13:37:06,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637760,637773] [2021-11-19 13:37:06,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637904,637917] [2021-11-19 13:37:06,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638047,638060] [2021-11-19 13:37:06,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638191,638204] [2021-11-19 13:37:06,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638332,638345] [2021-11-19 13:37:06,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638470,638483] [2021-11-19 13:37:06,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638628,638641] [2021-11-19 13:37:06,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638787,638800] [2021-11-19 13:37:06,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638943,638956] [2021-11-19 13:37:06,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639092,639105] [2021-11-19 13:37:06,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639244,639257] [2021-11-19 13:37:06,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639395,639408] [2021-11-19 13:37:06,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639544,639557] [2021-11-19 13:37:06,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639696,639709] [2021-11-19 13:37:06,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639844,639857] [2021-11-19 13:37:06,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639997,640010] [2021-11-19 13:37:06,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640148,640161] [2021-11-19 13:37:06,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640298,640311] [2021-11-19 13:37:06,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640445,640458] [2021-11-19 13:37:06,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640596,640609] [2021-11-19 13:37:06,307 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640747,640760] [2021-11-19 13:37:06,308 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640895,640908] [2021-11-19 13:37:06,308 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641061,641074] [2021-11-19 13:37:06,309 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641230,641243] [2021-11-19 13:37:06,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641397,641410] [2021-11-19 13:37:06,311 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641565,641578] [2021-11-19 13:37:06,312 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641715,641728] [2021-11-19 13:37:06,313 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641862,641875] [2021-11-19 13:37:06,317 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642023,642036] [2021-11-19 13:37:06,319 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642193,642206] [2021-11-19 13:37:06,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642355,642368] [2021-11-19 13:37:06,358 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:37:06,457 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 13:37:06,585 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:37:07,146 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[628967,628980] [2021-11-19 13:37:07,147 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629112,629125] [2021-11-19 13:37:07,149 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629258,629271] [2021-11-19 13:37:07,149 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629423,629436] [2021-11-19 13:37:07,150 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629581,629594] [2021-11-19 13:37:07,151 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629739,629752] [2021-11-19 13:37:07,152 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629897,629910] [2021-11-19 13:37:07,152 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630057,630070] [2021-11-19 13:37:07,153 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630216,630229] [2021-11-19 13:37:07,153 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630355,630368] [2021-11-19 13:37:07,154 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630497,630510] [2021-11-19 13:37:07,155 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630646,630659] [2021-11-19 13:37:07,155 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630785,630798] [2021-11-19 13:37:07,156 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630940,630953] [2021-11-19 13:37:07,156 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631100,631113] [2021-11-19 13:37:07,157 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631251,631264] [2021-11-19 13:37:07,157 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631402,631415] [2021-11-19 13:37:07,158 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631554,631567] [2021-11-19 13:37:07,158 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631703,631716] [2021-11-19 13:37:07,160 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631851,631864] [2021-11-19 13:37:07,160 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632008,632021] [2021-11-19 13:37:07,161 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632157,632170] [2021-11-19 13:37:07,161 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632313,632326] [2021-11-19 13:37:07,162 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632466,632479] [2021-11-19 13:37:07,162 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632612,632625] [2021-11-19 13:37:07,162 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632755,632768] [2021-11-19 13:37:07,163 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632907,632920] [2021-11-19 13:37:07,164 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633053,633066] [2021-11-19 13:37:07,164 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633198,633211] [2021-11-19 13:37:07,165 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633352,633365] [2021-11-19 13:37:07,165 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633503,633516] [2021-11-19 13:37:07,166 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633658,633671] [2021-11-19 13:37:07,166 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633810,633823] [2021-11-19 13:37:07,167 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633965,633978] [2021-11-19 13:37:07,168 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634129,634142] [2021-11-19 13:37:07,169 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634285,634298] [2021-11-19 13:37:07,169 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634449,634462] [2021-11-19 13:37:07,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634591,634604] [2021-11-19 13:37:07,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634749,634762] [2021-11-19 13:37:07,175 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634916,634929] [2021-11-19 13:37:07,177 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635075,635088] [2021-11-19 13:37:07,177 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635234,635247] [2021-11-19 13:37:07,178 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635383,635396] [2021-11-19 13:37:07,179 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635530,635543] [2021-11-19 13:37:07,179 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635669,635682] [2021-11-19 13:37:07,179 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635832,635845] [2021-11-19 13:37:07,180 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635998,636011] [2021-11-19 13:37:07,180 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636162,636175] [2021-11-19 13:37:07,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636327,636340] [2021-11-19 13:37:07,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636492,636505] [2021-11-19 13:37:07,182 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636658,636671] [2021-11-19 13:37:07,182 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636823,636836] [2021-11-19 13:37:07,182 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636990,637003] [2021-11-19 13:37:07,183 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637150,637163] [2021-11-19 13:37:07,188 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637312,637325] [2021-11-19 13:37:07,189 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637471,637484] [2021-11-19 13:37:07,191 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637617,637630] [2021-11-19 13:37:07,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637760,637773] [2021-11-19 13:37:07,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637904,637917] [2021-11-19 13:37:07,195 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638047,638060] [2021-11-19 13:37:07,195 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638191,638204] [2021-11-19 13:37:07,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638332,638345] [2021-11-19 13:37:07,197 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638470,638483] [2021-11-19 13:37:07,197 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638628,638641] [2021-11-19 13:37:07,198 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638787,638800] [2021-11-19 13:37:07,198 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638943,638956] [2021-11-19 13:37:07,205 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639092,639105] [2021-11-19 13:37:07,205 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639244,639257] [2021-11-19 13:37:07,206 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639395,639408] [2021-11-19 13:37:07,206 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639544,639557] [2021-11-19 13:37:07,206 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639696,639709] [2021-11-19 13:37:07,207 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639844,639857] [2021-11-19 13:37:07,207 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639997,640010] [2021-11-19 13:37:07,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640148,640161] [2021-11-19 13:37:07,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640298,640311] [2021-11-19 13:37:07,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640445,640458] [2021-11-19 13:37:07,209 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640596,640609] [2021-11-19 13:37:07,209 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640747,640760] [2021-11-19 13:37:07,211 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640895,640908] [2021-11-19 13:37:07,211 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641061,641074] [2021-11-19 13:37:07,212 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641230,641243] [2021-11-19 13:37:07,213 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641397,641410] [2021-11-19 13:37:07,214 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641565,641578] [2021-11-19 13:37:07,214 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641715,641728] [2021-11-19 13:37:07,215 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641862,641875] [2021-11-19 13:37:07,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642023,642036] [2021-11-19 13:37:07,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642193,642206] [2021-11-19 13:37:07,217 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642355,642368] [2021-11-19 13:37:07,224 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:37:07,311 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:37:07,952 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[628967,628980] [2021-11-19 13:37:07,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629112,629125] [2021-11-19 13:37:07,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629258,629271] [2021-11-19 13:37:07,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629423,629436] [2021-11-19 13:37:07,954 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629581,629594] [2021-11-19 13:37:07,954 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629739,629752] [2021-11-19 13:37:07,956 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[629897,629910] [2021-11-19 13:37:07,956 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630057,630070] [2021-11-19 13:37:07,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630216,630229] [2021-11-19 13:37:07,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630355,630368] [2021-11-19 13:37:07,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630497,630510] [2021-11-19 13:37:07,958 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630646,630659] [2021-11-19 13:37:07,958 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630785,630798] [2021-11-19 13:37:07,959 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[630940,630953] [2021-11-19 13:37:07,959 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631100,631113] [2021-11-19 13:37:07,959 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631251,631264] [2021-11-19 13:37:07,960 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631402,631415] [2021-11-19 13:37:07,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631554,631567] [2021-11-19 13:37:07,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631703,631716] [2021-11-19 13:37:07,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[631851,631864] [2021-11-19 13:37:07,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632008,632021] [2021-11-19 13:37:07,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632157,632170] [2021-11-19 13:37:07,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632313,632326] [2021-11-19 13:37:07,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632466,632479] [2021-11-19 13:37:07,967 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632612,632625] [2021-11-19 13:37:07,967 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632755,632768] [2021-11-19 13:37:07,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[632907,632920] [2021-11-19 13:37:07,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633053,633066] [2021-11-19 13:37:07,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633198,633211] [2021-11-19 13:37:07,971 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633352,633365] [2021-11-19 13:37:07,971 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633503,633516] [2021-11-19 13:37:07,971 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633658,633671] [2021-11-19 13:37:07,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633810,633823] [2021-11-19 13:37:07,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[633965,633978] [2021-11-19 13:37:07,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634129,634142] [2021-11-19 13:37:07,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634285,634298] [2021-11-19 13:37:07,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634449,634462] [2021-11-19 13:37:07,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634591,634604] [2021-11-19 13:37:07,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634749,634762] [2021-11-19 13:37:07,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[634916,634929] [2021-11-19 13:37:07,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635075,635088] [2021-11-19 13:37:07,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635234,635247] [2021-11-19 13:37:07,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635383,635396] [2021-11-19 13:37:07,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635530,635543] [2021-11-19 13:37:07,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635669,635682] [2021-11-19 13:37:07,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635832,635845] [2021-11-19 13:37:07,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[635998,636011] [2021-11-19 13:37:07,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636162,636175] [2021-11-19 13:37:07,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636327,636340] [2021-11-19 13:37:07,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636492,636505] [2021-11-19 13:37:07,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636658,636671] [2021-11-19 13:37:07,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636823,636836] [2021-11-19 13:37:07,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[636990,637003] [2021-11-19 13:37:07,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637150,637163] [2021-11-19 13:37:07,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637312,637325] [2021-11-19 13:37:07,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637471,637484] [2021-11-19 13:37:07,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637617,637630] [2021-11-19 13:37:07,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637760,637773] [2021-11-19 13:37:07,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[637904,637917] [2021-11-19 13:37:07,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638047,638060] [2021-11-19 13:37:07,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638191,638204] [2021-11-19 13:37:07,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638332,638345] [2021-11-19 13:37:07,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638470,638483] [2021-11-19 13:37:07,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638628,638641] [2021-11-19 13:37:07,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638787,638800] [2021-11-19 13:37:07,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[638943,638956] [2021-11-19 13:37:07,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639092,639105] [2021-11-19 13:37:07,992 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639244,639257] [2021-11-19 13:37:07,992 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639395,639408] [2021-11-19 13:37:07,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639544,639557] [2021-11-19 13:37:07,995 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639696,639709] [2021-11-19 13:37:07,995 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639844,639857] [2021-11-19 13:37:07,996 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[639997,640010] [2021-11-19 13:37:07,996 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640148,640161] [2021-11-19 13:37:07,997 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640298,640311] [2021-11-19 13:37:07,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640445,640458] [2021-11-19 13:37:07,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640596,640609] [2021-11-19 13:37:07,999 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640747,640760] [2021-11-19 13:37:07,999 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[640895,640908] [2021-11-19 13:37:08,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641061,641074] [2021-11-19 13:37:08,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641230,641243] [2021-11-19 13:37:08,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641397,641410] [2021-11-19 13:37:08,007 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641565,641578] [2021-11-19 13:37:08,007 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641715,641728] [2021-11-19 13:37:08,007 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[641862,641875] [2021-11-19 13:37:08,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642023,642036] [2021-11-19 13:37:08,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642193,642206] [2021-11-19 13:37:08,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i[642355,642368] [2021-11-19 13:37:08,016 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:37:08,563 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:37:08,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:08 WrapperNode [2021-11-19 13:37:08,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:37:08,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:37:08,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:37:08,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:37:08,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:08" (1/1) ... [2021-11-19 13:37:08,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:08" (1/1) ... [2021-11-19 13:37:09,145 INFO L137 Inliner]: procedures = 815, calls = 5082, calls flagged for inlining = 403, calls inlined = 325, statements flattened = 9455 [2021-11-19 13:37:09,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:37:09,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:37:09,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:37:09,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:37:09,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:08" (1/1) ... [2021-11-19 13:37:09,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:08" (1/1) ... [2021-11-19 13:37:09,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:08" (1/1) ... [2021-11-19 13:37:09,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:08" (1/1) ... [2021-11-19 13:37:09,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:08" (1/1) ... [2021-11-19 13:37:09,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:08" (1/1) ... [2021-11-19 13:37:09,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:08" (1/1) ... [2021-11-19 13:37:09,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:37:09,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:37:09,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:37:09,766 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:37:09,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:08" (1/1) ... [2021-11-19 13:37:09,774 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:37:09,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:37:09,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:37:09,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:37:09,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_125 [2021-11-19 13:37:09,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_125 [2021-11-19 13:37:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-19 13:37:09,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-19 13:37:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 13:37:09,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 13:37:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 13:37:09,846 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 13:37:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-19 13:37:09,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-19 13:37:09,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_rtnetlink__double_lock [2021-11-19 13:37:09,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_rtnetlink__double_lock [2021-11-19 13:37:09,847 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2021-11-19 13:37:09,847 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2021-11-19 13:37:09,847 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2021-11-19 13:37:09,847 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2021-11-19 13:37:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2021-11-19 13:37:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2021-11-19 13:37:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-19 13:37:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-19 13:37:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2021-11-19 13:37:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2021-11-19 13:37:09,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-19 13:37:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-19 13:37:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 13:37:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 13:37:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2021-11-19 13:37:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2021-11-19 13:37:09,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 13:37:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 13:37:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2021-11-19 13:37:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2021-11-19 13:37:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2021-11-19 13:37:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2021-11-19 13:37:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-19 13:37:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-19 13:37:09,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-19 13:37:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-19 13:37:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 13:37:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 13:37:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2021-11-19 13:37:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2021-11-19 13:37:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-19 13:37:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-19 13:37:09,851 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 13:37:09,852 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 13:37:09,852 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2021-11-19 13:37:09,852 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2021-11-19 13:37:09,852 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2021-11-19 13:37:09,852 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2021-11-19 13:37:09,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-19 13:37:09,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-19 13:37:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-11-19 13:37:09,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-11-19 13:37:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 13:37:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:37:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 13:37:09,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 13:37:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 13:37:09,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 13:37:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 13:37:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2021-11-19 13:37:09,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2021-11-19 13:37:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2021-11-19 13:37:09,854 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2021-11-19 13:37:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2021-11-19 13:37:09,855 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2021-11-19 13:37:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 13:37:09,855 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 13:37:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2021-11-19 13:37:09,855 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2021-11-19 13:37:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2021-11-19 13:37:09,855 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2021-11-19 13:37:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-11-19 13:37:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-11-19 13:37:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:37:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:37:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-19 13:37:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-19 13:37:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 13:37:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_tx [2021-11-19 13:37:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_tx [2021-11-19 13:37:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2021-11-19 13:37:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2021-11-19 13:37:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2021-11-19 13:37:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2021-11-19 13:37:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 13:37:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 13:37:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-19 13:37:09,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-19 13:37:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2021-11-19 13:37:09,858 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2021-11-19 13:37:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_122 [2021-11-19 13:37:09,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_122 [2021-11-19 13:37:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-19 13:37:09,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-19 13:37:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2021-11-19 13:37:09,859 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2021-11-19 13:37:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-19 13:37:09,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-19 13:37:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:37:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-19 13:37:09,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-19 13:37:09,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 13:37:09,860 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_stop [2021-11-19 13:37:09,860 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_stop [2021-11-19 13:37:09,860 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2021-11-19 13:37:09,860 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2021-11-19 13:37:09,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 13:37:09,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 13:37:09,861 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2021-11-19 13:37:09,861 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2021-11-19 13:37:09,861 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_readreg [2021-11-19 13:37:09,861 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_readreg [2021-11-19 13:37:09,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-19 13:37:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-19 13:37:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-19 13:37:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-19 13:37:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 13:37:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 13:37:09,862 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2021-11-19 13:37:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2021-11-19 13:37:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 13:37:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 13:37:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 13:37:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 13:37:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 13:37:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 13:37:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2021-11-19 13:37:09,864 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2021-11-19 13:37:09,864 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_conf_ac_parm [2021-11-19 13:37:09,864 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_conf_ac_parm [2021-11-19 13:37:09,864 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-19 13:37:09,864 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-19 13:37:09,864 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2021-11-19 13:37:09,864 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2021-11-19 13:37:09,864 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-19 13:37:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-19 13:37:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2021-11-19 13:37:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2021-11-19 13:37:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2021-11-19 13:37:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2021-11-19 13:37:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-19 13:37:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2021-11-19 13:37:09,866 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2021-11-19 13:37:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-11-19 13:37:09,866 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-11-19 13:37:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2021-11-19 13:37:09,866 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2021-11-19 13:37:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2021-11-19 13:37:09,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2021-11-19 13:37:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-19 13:37:09,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-19 13:37:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2021-11-19 13:37:09,867 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2021-11-19 13:37:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2021-11-19 13:37:09,867 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2021-11-19 13:37:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-19 13:37:09,867 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-19 13:37:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 13:37:09,868 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 13:37:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 13:37:09,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 13:37:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2021-11-19 13:37:09,868 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2021-11-19 13:37:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2021-11-19 13:37:09,869 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2021-11-19 13:37:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_writereg [2021-11-19 13:37:09,869 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_writereg [2021-11-19 13:37:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-11-19 13:37:09,869 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-11-19 13:37:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_generic_frame_duration [2021-11-19 13:37:09,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_generic_frame_duration [2021-11-19 13:37:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-19 13:37:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-19 13:37:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2021-11-19 13:37:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2021-11-19 13:37:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-19 13:37:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-19 13:37:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 13:37:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 13:37:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2021-11-19 13:37:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2021-11-19 13:37:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2021-11-19 13:37:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2021-11-19 13:37:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2021-11-19 13:37:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2021-11-19 13:37:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 13:37:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 13:37:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2021-11-19 13:37:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2021-11-19 13:37:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 13:37:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 13:37:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-19 13:37:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-19 13:37:09,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:37:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 13:37:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 13:37:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 13:37:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 13:37:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2021-11-19 13:37:09,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2021-11-19 13:37:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2021-11-19 13:37:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2021-11-19 13:37:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2021-11-19 13:37:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2021-11-19 13:37:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-19 13:37:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-19 13:37:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-19 13:37:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-19 13:37:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 13:37:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 13:37:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2021-11-19 13:37:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2021-11-19 13:37:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 13:37:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 13:37:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-19 13:37:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-19 13:37:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 13:37:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 13:37:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-19 13:37:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-19 13:37:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_5 [2021-11-19 13:37:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_5 [2021-11-19 13:37:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_6 [2021-11-19 13:37:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_6 [2021-11-19 13:37:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-11-19 13:37:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-11-19 13:37:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2021-11-19 13:37:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2021-11-19 13:37:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-19 13:37:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-19 13:37:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2021-11-19 13:37:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2021-11-19 13:37:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-19 13:37:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-19 13:37:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-11-19 13:37:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-11-19 13:37:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2021-11-19 13:37:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2021-11-19 13:37:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 13:37:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 13:37:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 13:37:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 13:37:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 13:37:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-19 13:37:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-19 13:37:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_init [2021-11-19 13:37:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_init [2021-11-19 13:37:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-19 13:37:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-19 13:37:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam2 [2021-11-19 13:37:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam2 [2021-11-19 13:37:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2021-11-19 13:37:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2021-11-19 13:37:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2021-11-19 13:37:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2021-11-19 13:37:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 13:37:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_basic_rates [2021-11-19 13:37:09,881 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_basic_rates [2021-11-19 13:37:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 13:37:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2021-11-19 13:37:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2021-11-19 13:37:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 13:37:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 13:37:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 13:37:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 13:37:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 13:37:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 13:37:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2021-11-19 13:37:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2021-11-19 13:37:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 13:37:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 13:37:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-19 13:37:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-19 13:37:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2021-11-19 13:37:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2021-11-19 13:37:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2021-11-19 13:37:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2021-11-19 13:37:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-19 13:37:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-19 13:37:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_set_channel [2021-11-19 13:37:09,884 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_set_channel [2021-11-19 13:37:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_rtl8180_priv [2021-11-19 13:37:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_rtl8180_priv [2021-11-19 13:37:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_int_disable [2021-11-19 13:37:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_int_disable [2021-11-19 13:37:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_rtl8180_priv [2021-11-19 13:37:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_rtl8180_priv [2021-11-19 13:37:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2021-11-19 13:37:09,885 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2021-11-19 13:37:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 13:37:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 13:37:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 13:37:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 13:37:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 13:37:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-19 13:37:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-19 13:37:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-19 13:37:09,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-19 13:37:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-19 13:37:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-19 13:37:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 13:37:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 13:37:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2021-11-19 13:37:09,887 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2021-11-19 13:37:09,887 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-19 13:37:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-19 13:37:09,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-19 13:37:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-19 13:37:09,888 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2021-11-19 13:37:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2021-11-19 13:37:09,888 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_rx [2021-11-19 13:37:09,888 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_rx [2021-11-19 13:37:09,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-19 13:37:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-19 13:37:09,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-19 13:37:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-19 13:37:09,889 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2021-11-19 13:37:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2021-11-19 13:37:09,889 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-11-19 13:37:09,889 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-11-19 13:37:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2021-11-19 13:37:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2021-11-19 13:37:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-19 13:37:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-19 13:37:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-11-19 13:37:09,890 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-11-19 13:37:09,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 13:37:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 13:37:09,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-19 13:37:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-19 13:37:09,891 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-19 13:37:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-19 13:37:09,891 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2021-11-19 13:37:09,891 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2021-11-19 13:37:09,892 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2021-11-19 13:37:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2021-11-19 13:37:09,892 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_three_wire_io [2021-11-19 13:37:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_three_wire_io [2021-11-19 13:37:09,892 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2021-11-19 13:37:09,892 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2021-11-19 13:37:11,285 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:37:11,290 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:37:13,870 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 13:37:59,847 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:37:59,882 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:37:59,883 INFO L301 CfgBuilder]: Removed 78 assume(true) statements. [2021-11-19 13:37:59,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:37:59 BoogieIcfgContainer [2021-11-19 13:37:59,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:37:59,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:37:59,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:37:59,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:37:59,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:36:59" (1/3) ... [2021-11-19 13:37:59,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d7caec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:37:59, skipping insertion in model container [2021-11-19 13:37:59,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:37:08" (2/3) ... [2021-11-19 13:37:59,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d7caec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:37:59, skipping insertion in model container [2021-11-19 13:37:59,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:37:59" (3/3) ... [2021-11-19 13:37:59,900 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko.cil.i [2021-11-19 13:37:59,906 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:37:59,906 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2021-11-19 13:37:59,974 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:37:59,980 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 13:37:59,980 INFO L340 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2021-11-19 13:38:00,092 INFO L276 IsEmpty]: Start isEmpty. Operand has 4104 states, 2315 states have (on average 1.2535637149028078) internal successors, (2902), 2515 states have internal predecessors, (2902), 1683 states have call successors, (1683), 155 states have call predecessors, (1683), 154 states have return successors, (1673), 1629 states have call predecessors, (1673), 1673 states have call successors, (1673) [2021-11-19 13:38:00,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-19 13:38:00,100 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:38:00,101 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:38:00,102 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 27 more)] === [2021-11-19 13:38:00,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:38:00,107 INFO L85 PathProgramCache]: Analyzing trace with hash -138798141, now seen corresponding path program 1 times [2021-11-19 13:38:00,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:38:00,130 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [552789462] [2021-11-19 13:38:00,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:38:00,131 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:38:00,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:38:00,135 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:38:00,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 13:38:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:38:08,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 3515 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:38:08,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:38:09,255 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:38:09,255 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:38:09,749 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:38:09,750 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:38:09,750 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [552789462] [2021-11-19 13:38:09,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [552789462] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:38:09,751 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:38:09,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:38:09,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037321451] [2021-11-19 13:38:09,753 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:38:09,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:38:09,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:38:09,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:38:09,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:38:09,800 INFO L87 Difference]: Start difference. First operand has 4104 states, 2315 states have (on average 1.2535637149028078) internal successors, (2902), 2515 states have internal predecessors, (2902), 1683 states have call successors, (1683), 155 states have call predecessors, (1683), 154 states have return successors, (1673), 1629 states have call predecessors, (1673), 1673 states have call successors, (1673) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-19 13:38:10,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:38:10,540 INFO L93 Difference]: Finished difference Result 7941 states and 12219 transitions. [2021-11-19 13:38:10,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:38:10,543 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 64 [2021-11-19 13:38:10,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:38:10,619 INFO L225 Difference]: With dead ends: 7941 [2021-11-19 13:38:10,619 INFO L226 Difference]: Without dead ends: 3846 [2021-11-19 13:38:10,674 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:38:10,680 INFO L933 BasicCegarLoop]: 5750 mSDtfsCounter, 5706 mSDsluCounter, 5748 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5708 SdHoareTripleChecker+Valid, 11498 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:38:10,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5708 Valid, 11498 Invalid, 2 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:38:10,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3846 states. [2021-11-19 13:38:11,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3846 to 3846. [2021-11-19 13:38:11,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3846 states, 2070 states have (on average 1.2251207729468598) internal successors, (2536), 2191 states have internal predecessors, (2536), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-19 13:38:11,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3846 states to 3846 states and 5724 transitions. [2021-11-19 13:38:11,275 INFO L78 Accepts]: Start accepts. Automaton has 3846 states and 5724 transitions. Word has length 64 [2021-11-19 13:38:11,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:38:11,278 INFO L470 AbstractCegarLoop]: Abstraction has 3846 states and 5724 transitions. [2021-11-19 13:38:11,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-19 13:38:11,278 INFO L276 IsEmpty]: Start isEmpty. Operand 3846 states and 5724 transitions. [2021-11-19 13:38:11,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-19 13:38:11,289 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:38:11,290 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:38:11,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-19 13:38:11,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:38:11,515 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 27 more)] === [2021-11-19 13:38:11,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:38:11,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1191926637, now seen corresponding path program 1 times [2021-11-19 13:38:11,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:38:11,523 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1074491565] [2021-11-19 13:38:11,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:38:11,523 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:38:11,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:38:11,525 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:38:11,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 13:38:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:38:19,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 3524 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:38:19,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:38:20,832 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:38:20,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:38:21,345 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:38:21,345 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:38:21,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1074491565] [2021-11-19 13:38:21,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1074491565] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:38:21,346 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:38:21,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:38:21,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693610699] [2021-11-19 13:38:21,346 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:38:21,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:38:21,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:38:21,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:38:21,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:38:21,349 INFO L87 Difference]: Start difference. First operand 3846 states and 5724 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-19 13:38:21,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:38:21,737 INFO L93 Difference]: Finished difference Result 3846 states and 5724 transitions. [2021-11-19 13:38:21,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:38:21,738 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 70 [2021-11-19 13:38:21,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:38:21,785 INFO L225 Difference]: With dead ends: 3846 [2021-11-19 13:38:21,785 INFO L226 Difference]: Without dead ends: 3844 [2021-11-19 13:38:21,790 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:38:21,792 INFO L933 BasicCegarLoop]: 5720 mSDtfsCounter, 5667 mSDsluCounter, 11436 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5669 SdHoareTripleChecker+Valid, 17156 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:38:21,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5669 Valid, 17156 Invalid, 2 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:38:21,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3844 states. [2021-11-19 13:38:22,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3844 to 3844. [2021-11-19 13:38:22,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3844 states, 2069 states have (on average 1.224746254229096) internal successors, (2534), 2189 states have internal predecessors, (2534), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-19 13:38:22,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3844 states to 3844 states and 5722 transitions. [2021-11-19 13:38:22,308 INFO L78 Accepts]: Start accepts. Automaton has 3844 states and 5722 transitions. Word has length 70 [2021-11-19 13:38:22,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:38:22,310 INFO L470 AbstractCegarLoop]: Abstraction has 3844 states and 5722 transitions. [2021-11-19 13:38:22,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-19 13:38:22,312 INFO L276 IsEmpty]: Start isEmpty. Operand 3844 states and 5722 transitions. [2021-11-19 13:38:22,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-19 13:38:22,315 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:38:22,316 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:38:22,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 13:38:22,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:38:22,516 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 27 more)] === [2021-11-19 13:38:22,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:38:22,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1724015008, now seen corresponding path program 1 times [2021-11-19 13:38:22,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:38:22,522 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [678975424] [2021-11-19 13:38:22,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:38:22,522 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:38:22,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:38:22,523 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:38:22,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 13:38:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:38:30,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 3533 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:38:30,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:38:31,855 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:38:31,856 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:38:32,388 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:38:32,389 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:38:32,389 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [678975424] [2021-11-19 13:38:32,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [678975424] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:38:32,389 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:38:32,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:38:32,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937325597] [2021-11-19 13:38:32,390 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:38:32,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:38:32,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:38:32,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:38:32,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:38:32,392 INFO L87 Difference]: Start difference. First operand 3844 states and 5722 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-19 13:38:32,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:38:32,766 INFO L93 Difference]: Finished difference Result 3844 states and 5722 transitions. [2021-11-19 13:38:32,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:38:32,767 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 76 [2021-11-19 13:38:32,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:38:32,814 INFO L225 Difference]: With dead ends: 3844 [2021-11-19 13:38:32,814 INFO L226 Difference]: Without dead ends: 3842 [2021-11-19 13:38:32,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:38:32,823 INFO L933 BasicCegarLoop]: 5718 mSDtfsCounter, 5659 mSDsluCounter, 11432 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5661 SdHoareTripleChecker+Valid, 17150 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:38:32,824 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5661 Valid, 17150 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:38:32,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3842 states. [2021-11-19 13:38:33,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3842 to 3842. [2021-11-19 13:38:33,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3842 states, 2068 states have (on average 1.2243713733075434) internal successors, (2532), 2187 states have internal predecessors, (2532), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-19 13:38:33,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3842 states to 3842 states and 5720 transitions. [2021-11-19 13:38:33,325 INFO L78 Accepts]: Start accepts. Automaton has 3842 states and 5720 transitions. Word has length 76 [2021-11-19 13:38:33,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:38:33,327 INFO L470 AbstractCegarLoop]: Abstraction has 3842 states and 5720 transitions. [2021-11-19 13:38:33,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-19 13:38:33,328 INFO L276 IsEmpty]: Start isEmpty. Operand 3842 states and 5720 transitions. [2021-11-19 13:38:33,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-19 13:38:33,330 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:38:33,331 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:38:33,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 13:38:33,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:38:33,547 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 27 more)] === [2021-11-19 13:38:33,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:38:33,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1460694827, now seen corresponding path program 1 times [2021-11-19 13:38:33,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:38:33,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [15333912] [2021-11-19 13:38:33,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:38:33,553 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:38:33,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:38:33,555 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:38:33,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 13:38:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:38:42,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 3542 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:38:42,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:38:43,230 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:38:43,230 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:38:43,811 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:38:43,811 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:38:43,812 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [15333912] [2021-11-19 13:38:43,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [15333912] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:38:43,812 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:38:43,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:38:43,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85641658] [2021-11-19 13:38:43,812 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:38:43,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:38:43,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:38:43,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:38:43,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:38:43,814 INFO L87 Difference]: Start difference. First operand 3842 states and 5720 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-19 13:38:44,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:38:44,158 INFO L93 Difference]: Finished difference Result 3842 states and 5720 transitions. [2021-11-19 13:38:44,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:38:44,159 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 82 [2021-11-19 13:38:44,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:38:44,207 INFO L225 Difference]: With dead ends: 3842 [2021-11-19 13:38:44,208 INFO L226 Difference]: Without dead ends: 3840 [2021-11-19 13:38:44,213 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:38:44,215 INFO L933 BasicCegarLoop]: 5716 mSDtfsCounter, 5651 mSDsluCounter, 11428 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5653 SdHoareTripleChecker+Valid, 17144 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:38:44,217 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5653 Valid, 17144 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:38:44,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3840 states. [2021-11-19 13:38:44,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3840 to 3840. [2021-11-19 13:38:44,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3840 states, 2067 states have (on average 1.223996129656507) internal successors, (2530), 2185 states have internal predecessors, (2530), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-19 13:38:44,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3840 states to 3840 states and 5718 transitions. [2021-11-19 13:38:44,676 INFO L78 Accepts]: Start accepts. Automaton has 3840 states and 5718 transitions. Word has length 82 [2021-11-19 13:38:44,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:38:44,677 INFO L470 AbstractCegarLoop]: Abstraction has 3840 states and 5718 transitions. [2021-11-19 13:38:44,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-19 13:38:44,677 INFO L276 IsEmpty]: Start isEmpty. Operand 3840 states and 5718 transitions. [2021-11-19 13:38:44,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-19 13:38:44,679 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:38:44,680 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:38:44,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-19 13:38:44,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:38:44,903 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 27 more)] === [2021-11-19 13:38:44,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:38:44,903 INFO L85 PathProgramCache]: Analyzing trace with hash 732518540, now seen corresponding path program 1 times [2021-11-19 13:38:44,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:38:44,907 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1434142914] [2021-11-19 13:38:44,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:38:44,907 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:38:44,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:38:44,908 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:38:44,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 13:38:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:38:53,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 3551 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:38:53,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:38:54,250 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:38:54,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:38:54,762 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:38:54,762 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:38:54,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1434142914] [2021-11-19 13:38:54,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1434142914] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:38:54,762 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:38:54,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:38:54,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234651997] [2021-11-19 13:38:54,763 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:38:54,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:38:54,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:38:54,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:38:54,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:38:54,765 INFO L87 Difference]: Start difference. First operand 3840 states and 5718 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-19 13:38:55,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:38:55,116 INFO L93 Difference]: Finished difference Result 3840 states and 5718 transitions. [2021-11-19 13:38:55,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:38:55,117 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 88 [2021-11-19 13:38:55,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:38:55,168 INFO L225 Difference]: With dead ends: 3840 [2021-11-19 13:38:55,168 INFO L226 Difference]: Without dead ends: 3838 [2021-11-19 13:38:55,173 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:38:55,174 INFO L933 BasicCegarLoop]: 5714 mSDtfsCounter, 5646 mSDsluCounter, 5712 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5648 SdHoareTripleChecker+Valid, 11426 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:38:55,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5648 Valid, 11426 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:38:55,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3838 states. [2021-11-19 13:38:55,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3838 to 3838. [2021-11-19 13:38:55,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3838 states, 2066 states have (on average 1.223620522749274) internal successors, (2528), 2183 states have internal predecessors, (2528), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-19 13:38:55,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 3838 states and 5716 transitions. [2021-11-19 13:38:55,591 INFO L78 Accepts]: Start accepts. Automaton has 3838 states and 5716 transitions. Word has length 88 [2021-11-19 13:38:55,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:38:55,592 INFO L470 AbstractCegarLoop]: Abstraction has 3838 states and 5716 transitions. [2021-11-19 13:38:55,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-19 13:38:55,593 INFO L276 IsEmpty]: Start isEmpty. Operand 3838 states and 5716 transitions. [2021-11-19 13:38:55,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-19 13:38:55,600 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:38:55,600 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:38:55,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 13:38:55,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:38:55,823 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 27 more)] === [2021-11-19 13:38:55,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:38:55,823 INFO L85 PathProgramCache]: Analyzing trace with hash 3984054, now seen corresponding path program 1 times [2021-11-19 13:38:55,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:38:55,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1687055603] [2021-11-19 13:38:55,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:38:55,828 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:38:55,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:38:55,830 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:38:55,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 13:39:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:39:04,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 3560 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:39:04,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:39:05,143 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:39:05,143 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:39:05,692 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:39:05,692 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:39:05,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1687055603] [2021-11-19 13:39:05,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1687055603] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:39:05,692 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:39:05,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:39:05,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128995528] [2021-11-19 13:39:05,693 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:39:05,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:39:05,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:39:05,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:39:05,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:39:05,695 INFO L87 Difference]: Start difference. First operand 3838 states and 5716 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-19 13:39:06,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:39:06,069 INFO L93 Difference]: Finished difference Result 3838 states and 5716 transitions. [2021-11-19 13:39:06,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:39:06,070 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 94 [2021-11-19 13:39:06,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:39:06,110 INFO L225 Difference]: With dead ends: 3838 [2021-11-19 13:39:06,111 INFO L226 Difference]: Without dead ends: 3836 [2021-11-19 13:39:06,116 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:39:06,118 INFO L933 BasicCegarLoop]: 5712 mSDtfsCounter, 5638 mSDsluCounter, 5710 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5640 SdHoareTripleChecker+Valid, 11422 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:39:06,118 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5640 Valid, 11422 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:39:06,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3836 states. [2021-11-19 13:39:06,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3836 to 3836. [2021-11-19 13:39:06,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3836 states, 2065 states have (on average 1.2232445520581114) internal successors, (2526), 2181 states have internal predecessors, (2526), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-19 13:39:06,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3836 states to 3836 states and 5714 transitions. [2021-11-19 13:39:06,534 INFO L78 Accepts]: Start accepts. Automaton has 3836 states and 5714 transitions. Word has length 94 [2021-11-19 13:39:06,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:39:06,535 INFO L470 AbstractCegarLoop]: Abstraction has 3836 states and 5714 transitions. [2021-11-19 13:39:06,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-19 13:39:06,535 INFO L276 IsEmpty]: Start isEmpty. Operand 3836 states and 5714 transitions. [2021-11-19 13:39:06,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-19 13:39:06,537 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:39:06,538 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:39:06,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 13:39:06,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:39:06,760 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-19 13:39:06,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:39:06,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1330678455, now seen corresponding path program 1 times [2021-11-19 13:39:06,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:39:06,765 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1650965784] [2021-11-19 13:39:06,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:39:06,765 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:39:06,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:39:06,767 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:39:06,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 13:39:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:39:15,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 3709 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-19 13:39:15,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:39:16,571 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 95 proven. 3 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-19 13:39:16,572 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:39:17,752 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-19 13:39:17,752 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:39:17,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1650965784] [2021-11-19 13:39:17,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1650965784] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:39:17,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [511896570] [2021-11-19 13:39:17,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:39:17,752 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 13:39:17,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 13:39:17,762 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 13:39:17,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-19 13:39:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:39:20,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 3709 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:39:20,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:39:20,636 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-19 13:39:20,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:39:21,149 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-19 13:39:21,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [511896570] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:39:21,150 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 13:39:21,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8, 8] total 11 [2021-11-19 13:39:21,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097618411] [2021-11-19 13:39:21,151 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:39:21,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:39:21,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:39:21,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:39:21,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:39:21,152 INFO L87 Difference]: Start difference. First operand 3836 states and 5714 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-11-19 13:39:21,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:39:21,916 INFO L93 Difference]: Finished difference Result 7647 states and 11393 transitions. [2021-11-19 13:39:21,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:39:21,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 117 [2021-11-19 13:39:21,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:39:21,960 INFO L225 Difference]: With dead ends: 7647 [2021-11-19 13:39:21,961 INFO L226 Difference]: Without dead ends: 3832 [2021-11-19 13:39:21,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 455 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:39:21,996 INFO L933 BasicCegarLoop]: 5708 mSDtfsCounter, 5693 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5693 SdHoareTripleChecker+Valid, 5708 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:39:21,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5693 Valid, 5708 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 13:39:22,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3832 states. [2021-11-19 13:39:22,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3832 to 3832. [2021-11-19 13:39:22,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3832 states, 2062 states have (on average 1.2225994180407371) internal successors, (2521), 2177 states have internal predecessors, (2521), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-19 13:39:22,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3832 states to 3832 states and 5709 transitions. [2021-11-19 13:39:22,412 INFO L78 Accepts]: Start accepts. Automaton has 3832 states and 5709 transitions. Word has length 117 [2021-11-19 13:39:22,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:39:22,413 INFO L470 AbstractCegarLoop]: Abstraction has 3832 states and 5709 transitions. [2021-11-19 13:39:22,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-11-19 13:39:22,414 INFO L276 IsEmpty]: Start isEmpty. Operand 3832 states and 5709 transitions. [2021-11-19 13:39:22,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-19 13:39:22,417 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:39:22,418 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:39:22,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-19 13:39:22,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2021-11-19 13:39:22,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 13:39:22,843 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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 27 more)] === [2021-11-19 13:39:22,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:39:22,844 INFO L85 PathProgramCache]: Analyzing trace with hash 852479152, now seen corresponding path program 1 times [2021-11-19 13:39:22,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:39:22,847 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1839208218] [2021-11-19 13:39:22,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:39:22,847 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:39:22,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:39:22,848 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:39:22,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-19 13:39:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:39:31,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 3569 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:39:31,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:39:32,401 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:39:32,401 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:39:33,013 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:39:33,013 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:39:33,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1839208218] [2021-11-19 13:39:33,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1839208218] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:39:33,014 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:39:33,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:39:33,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274286815] [2021-11-19 13:39:33,014 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:39:33,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:39:33,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:39:33,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:39:33,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:39:33,016 INFO L87 Difference]: Start difference. First operand 3832 states and 5709 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-19 13:39:33,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:39:33,433 INFO L93 Difference]: Finished difference Result 3832 states and 5709 transitions. [2021-11-19 13:39:33,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:39:33,434 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 100 [2021-11-19 13:39:33,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:39:33,463 INFO L225 Difference]: With dead ends: 3832 [2021-11-19 13:39:33,463 INFO L226 Difference]: Without dead ends: 3830 [2021-11-19 13:39:33,468 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:39:33,469 INFO L933 BasicCegarLoop]: 5705 mSDtfsCounter, 5625 mSDsluCounter, 5703 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5627 SdHoareTripleChecker+Valid, 11408 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:39:33,469 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5627 Valid, 11408 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:39:33,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3830 states. [2021-11-19 13:39:33,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3830 to 3830. [2021-11-19 13:39:33,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3830 states, 2061 states have (on average 1.2222222222222223) internal successors, (2519), 2175 states have internal predecessors, (2519), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-19 13:39:33,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3830 states to 3830 states and 5707 transitions. [2021-11-19 13:39:33,888 INFO L78 Accepts]: Start accepts. Automaton has 3830 states and 5707 transitions. Word has length 100 [2021-11-19 13:39:33,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:39:33,889 INFO L470 AbstractCegarLoop]: Abstraction has 3830 states and 5707 transitions. [2021-11-19 13:39:33,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-19 13:39:33,889 INFO L276 IsEmpty]: Start isEmpty. Operand 3830 states and 5707 transitions. [2021-11-19 13:39:33,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-19 13:39:33,891 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:39:33,892 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:39:34,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-19 13:39:34,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:39:34,115 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-19 13:39:34,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:39:34,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1557945384, now seen corresponding path program 1 times [2021-11-19 13:39:34,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:39:34,120 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1838820662] [2021-11-19 13:39:34,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:39:34,121 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:39:34,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:39:34,122 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:39:34,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-19 13:39:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:39:43,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 3718 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-19 13:39:43,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:39:44,200 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 95 proven. 3 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-19 13:39:44,201 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:39:45,403 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-11-19 13:39:45,403 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:39:45,403 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1838820662] [2021-11-19 13:39:45,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1838820662] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:39:45,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [880317507] [2021-11-19 13:39:45,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:39:45,404 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 13:39:45,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 13:39:45,405 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 13:39:45,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-11-19 13:39:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:39:47,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 3718 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 13:39:47,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:39:48,203 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-19 13:39:48,203 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:39:48,744 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-19 13:39:48,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [880317507] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:39:48,745 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 13:39:48,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8, 8] total 11 [2021-11-19 13:39:48,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754895438] [2021-11-19 13:39:48,745 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:39:48,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:39:48,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:39:48,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:39:48,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:39:48,747 INFO L87 Difference]: Start difference. First operand 3830 states and 5707 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-19 13:39:49,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:39:49,486 INFO L93 Difference]: Finished difference Result 7635 states and 11379 transitions. [2021-11-19 13:39:49,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:39:49,487 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 123 [2021-11-19 13:39:49,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:39:49,518 INFO L225 Difference]: With dead ends: 7635 [2021-11-19 13:39:49,518 INFO L226 Difference]: Without dead ends: 3826 [2021-11-19 13:39:49,558 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 479 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:39:49,559 INFO L933 BasicCegarLoop]: 5701 mSDtfsCounter, 5684 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5684 SdHoareTripleChecker+Valid, 5701 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:39:49,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5684 Valid, 5701 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 13:39:49,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3826 states. [2021-11-19 13:39:50,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3826 to 3826. [2021-11-19 13:39:50,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3826 states, 2058 states have (on average 1.2215743440233235) internal successors, (2514), 2171 states have internal predecessors, (2514), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-19 13:39:50,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3826 states to 3826 states and 5702 transitions. [2021-11-19 13:39:50,088 INFO L78 Accepts]: Start accepts. Automaton has 3826 states and 5702 transitions. Word has length 123 [2021-11-19 13:39:50,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:39:50,089 INFO L470 AbstractCegarLoop]: Abstraction has 3826 states and 5702 transitions. [2021-11-19 13:39:50,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-19 13:39:50,089 INFO L276 IsEmpty]: Start isEmpty. Operand 3826 states and 5702 transitions. [2021-11-19 13:39:50,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-19 13:39:50,093 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:39:50,094 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:39:50,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-19 13:39:50,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-11-19 13:39:50,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 13:39:50,507 INFO L402 AbstractCegarLoop]: === Iteration 10 === 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 27 more)] === [2021-11-19 13:39:50,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:39:50,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1931350271, now seen corresponding path program 1 times [2021-11-19 13:39:50,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:39:50,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1421816371] [2021-11-19 13:39:50,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:39:50,511 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:39:50,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:39:50,512 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:39:50,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-19 13:39:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:39:59,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 3578 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:39:59,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:40:00,137 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:40:00,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:40:00,734 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:40:00,734 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:40:00,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1421816371] [2021-11-19 13:40:00,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1421816371] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:40:00,734 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:40:00,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:40:00,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454964100] [2021-11-19 13:40:00,735 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:40:00,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:40:00,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:40:00,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:40:00,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:40:00,736 INFO L87 Difference]: Start difference. First operand 3826 states and 5702 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-19 13:40:01,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:40:01,196 INFO L93 Difference]: Finished difference Result 3826 states and 5702 transitions. [2021-11-19 13:40:01,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:40:01,197 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 106 [2021-11-19 13:40:01,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:40:01,224 INFO L225 Difference]: With dead ends: 3826 [2021-11-19 13:40:01,224 INFO L226 Difference]: Without dead ends: 3824 [2021-11-19 13:40:01,229 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:40:01,230 INFO L933 BasicCegarLoop]: 5698 mSDtfsCounter, 5613 mSDsluCounter, 11384 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5615 SdHoareTripleChecker+Valid, 17082 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:40:01,230 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5615 Valid, 17082 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:40:01,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3824 states. [2021-11-19 13:40:01,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3824 to 3824. [2021-11-19 13:40:01,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3824 states, 2057 states have (on average 1.2211959163830821) internal successors, (2512), 2169 states have internal predecessors, (2512), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-19 13:40:01,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3824 states to 3824 states and 5700 transitions. [2021-11-19 13:40:01,749 INFO L78 Accepts]: Start accepts. Automaton has 3824 states and 5700 transitions. Word has length 106 [2021-11-19 13:40:01,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:40:01,750 INFO L470 AbstractCegarLoop]: Abstraction has 3824 states and 5700 transitions. [2021-11-19 13:40:01,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-19 13:40:01,751 INFO L276 IsEmpty]: Start isEmpty. Operand 3824 states and 5700 transitions. [2021-11-19 13:40:01,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-19 13:40:01,753 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:40:01,754 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:40:01,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-19 13:40:01,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:40:01,975 INFO L402 AbstractCegarLoop]: === Iteration 11 === 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 27 more)] === [2021-11-19 13:40:01,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:40:01,975 INFO L85 PathProgramCache]: Analyzing trace with hash -601571452, now seen corresponding path program 1 times [2021-11-19 13:40:01,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:40:01,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [373108159] [2021-11-19 13:40:01,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:40:01,979 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:40:01,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:40:01,981 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:40:01,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-19 13:40:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:40:10,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 3581 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:40:10,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:40:11,365 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:40:11,365 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:40:11,924 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:40:11,924 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:40:11,925 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [373108159] [2021-11-19 13:40:11,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [373108159] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:40:11,927 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:40:11,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:40:11,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754449263] [2021-11-19 13:40:11,927 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:40:11,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:40:11,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:40:11,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:40:11,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:40:11,931 INFO L87 Difference]: Start difference. First operand 3824 states and 5700 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-19 13:40:12,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:40:12,455 INFO L93 Difference]: Finished difference Result 3824 states and 5700 transitions. [2021-11-19 13:40:12,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:40:12,456 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 108 [2021-11-19 13:40:12,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:40:12,479 INFO L225 Difference]: With dead ends: 3824 [2021-11-19 13:40:12,479 INFO L226 Difference]: Without dead ends: 3822 [2021-11-19 13:40:12,482 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:40:12,483 INFO L933 BasicCegarLoop]: 5696 mSDtfsCounter, 5608 mSDsluCounter, 5694 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5610 SdHoareTripleChecker+Valid, 11390 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:40:12,483 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5610 Valid, 11390 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:40:12,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3822 states. [2021-11-19 13:40:12,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3822 to 3822. [2021-11-19 13:40:12,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3822 states, 2056 states have (on average 1.2208171206225682) internal successors, (2510), 2167 states have internal predecessors, (2510), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-19 13:40:12,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3822 states to 3822 states and 5698 transitions. [2021-11-19 13:40:12,940 INFO L78 Accepts]: Start accepts. Automaton has 3822 states and 5698 transitions. Word has length 108 [2021-11-19 13:40:12,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:40:12,941 INFO L470 AbstractCegarLoop]: Abstraction has 3822 states and 5698 transitions. [2021-11-19 13:40:12,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-19 13:40:12,942 INFO L276 IsEmpty]: Start isEmpty. Operand 3822 states and 5698 transitions. [2021-11-19 13:40:12,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 13:40:12,944 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:40:12,944 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:40:13,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-19 13:40:13,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:40:13,167 INFO L402 AbstractCegarLoop]: === Iteration 12 === 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 27 more)] === [2021-11-19 13:40:13,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:40:13,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1457666658, now seen corresponding path program 1 times [2021-11-19 13:40:13,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:40:13,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [432713857] [2021-11-19 13:40:13,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:40:13,173 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:40:13,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:40:13,174 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:40:13,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-19 13:40:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:40:21,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 3590 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:40:21,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:40:22,971 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:40:22,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:40:23,565 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:40:23,565 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:40:23,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [432713857] [2021-11-19 13:40:23,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [432713857] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:40:23,566 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:40:23,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:40:23,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75370467] [2021-11-19 13:40:23,566 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:40:23,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:40:23,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:40:23,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:40:23,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:40:23,568 INFO L87 Difference]: Start difference. First operand 3822 states and 5698 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-19 13:40:24,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:40:24,173 INFO L93 Difference]: Finished difference Result 3822 states and 5698 transitions. [2021-11-19 13:40:24,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:40:24,174 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 114 [2021-11-19 13:40:24,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:40:24,202 INFO L225 Difference]: With dead ends: 3822 [2021-11-19 13:40:24,202 INFO L226 Difference]: Without dead ends: 3820 [2021-11-19 13:40:24,206 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:40:24,207 INFO L933 BasicCegarLoop]: 5694 mSDtfsCounter, 5597 mSDsluCounter, 11384 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5599 SdHoareTripleChecker+Valid, 17078 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:40:24,208 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5599 Valid, 17078 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:40:24,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3820 states. [2021-11-19 13:40:24,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3820 to 3820. [2021-11-19 13:40:24,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3820 states, 2055 states have (on average 1.2204379562043797) internal successors, (2508), 2165 states have internal predecessors, (2508), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-19 13:40:24,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3820 states to 3820 states and 5696 transitions. [2021-11-19 13:40:24,702 INFO L78 Accepts]: Start accepts. Automaton has 3820 states and 5696 transitions. Word has length 114 [2021-11-19 13:40:24,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:40:24,703 INFO L470 AbstractCegarLoop]: Abstraction has 3820 states and 5696 transitions. [2021-11-19 13:40:24,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-19 13:40:24,703 INFO L276 IsEmpty]: Start isEmpty. Operand 3820 states and 5696 transitions. [2021-11-19 13:40:24,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-19 13:40:24,706 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:40:24,706 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:40:24,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-19 13:40:24,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:40:24,923 INFO L402 AbstractCegarLoop]: === Iteration 13 === 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 27 more)] === [2021-11-19 13:40:24,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:40:24,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1064600630, now seen corresponding path program 1 times [2021-11-19 13:40:24,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:40:24,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1473399752] [2021-11-19 13:40:24,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:40:24,929 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:40:24,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:40:24,931 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:40:24,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-19 13:40:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:40:33,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 3599 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:40:33,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:40:34,931 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:40:34,931 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:40:35,521 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:40:35,521 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:40:35,521 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1473399752] [2021-11-19 13:40:35,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1473399752] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:40:35,522 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:40:35,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:40:35,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874084781] [2021-11-19 13:40:35,522 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:40:35,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:40:35,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:40:35,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:40:35,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:40:35,525 INFO L87 Difference]: Start difference. First operand 3820 states and 5696 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-19 13:40:35,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:40:35,978 INFO L93 Difference]: Finished difference Result 3820 states and 5696 transitions. [2021-11-19 13:40:35,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:40:35,979 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 120 [2021-11-19 13:40:35,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:40:36,005 INFO L225 Difference]: With dead ends: 3820 [2021-11-19 13:40:36,006 INFO L226 Difference]: Without dead ends: 3818 [2021-11-19 13:40:36,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:40:36,012 INFO L933 BasicCegarLoop]: 5692 mSDtfsCounter, 5592 mSDsluCounter, 5690 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5594 SdHoareTripleChecker+Valid, 11382 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:40:36,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5594 Valid, 11382 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:40:36,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3818 states. [2021-11-19 13:40:36,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3818 to 3818. [2021-11-19 13:40:36,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3818 states, 2054 states have (on average 1.2200584225900681) internal successors, (2506), 2163 states have internal predecessors, (2506), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-19 13:40:36,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3818 states to 3818 states and 5694 transitions. [2021-11-19 13:40:36,641 INFO L78 Accepts]: Start accepts. Automaton has 3818 states and 5694 transitions. Word has length 120 [2021-11-19 13:40:36,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:40:36,642 INFO L470 AbstractCegarLoop]: Abstraction has 3818 states and 5694 transitions. [2021-11-19 13:40:36,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-19 13:40:36,642 INFO L276 IsEmpty]: Start isEmpty. Operand 3818 states and 5694 transitions. [2021-11-19 13:40:36,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-19 13:40:36,645 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:40:36,646 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:40:36,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-19 13:40:36,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:40:36,859 INFO L402 AbstractCegarLoop]: === Iteration 14 === 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 27 more)] === [2021-11-19 13:40:36,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:40:36,859 INFO L85 PathProgramCache]: Analyzing trace with hash 701389151, now seen corresponding path program 1 times [2021-11-19 13:40:36,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:40:36,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [166213034] [2021-11-19 13:40:36,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:40:36,863 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:40:36,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:40:36,864 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:40:36,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-19 13:40:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:40:45,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 3608 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:40:45,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:40:46,712 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:40:46,712 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:40:47,334 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:40:47,334 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:40:47,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [166213034] [2021-11-19 13:40:47,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [166213034] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:40:47,335 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:40:47,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:40:47,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515504770] [2021-11-19 13:40:47,335 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:40:47,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:40:47,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:40:47,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:40:47,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:40:47,337 INFO L87 Difference]: Start difference. First operand 3818 states and 5694 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-19 13:40:47,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:40:47,826 INFO L93 Difference]: Finished difference Result 3818 states and 5694 transitions. [2021-11-19 13:40:47,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:40:47,827 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 126 [2021-11-19 13:40:47,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:40:47,853 INFO L225 Difference]: With dead ends: 3818 [2021-11-19 13:40:47,854 INFO L226 Difference]: Without dead ends: 3816 [2021-11-19 13:40:47,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:40:47,859 INFO L933 BasicCegarLoop]: 5690 mSDtfsCounter, 5584 mSDsluCounter, 5688 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5586 SdHoareTripleChecker+Valid, 11378 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:40:47,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5586 Valid, 11378 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:40:47,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3816 states. [2021-11-19 13:40:48,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3816 to 3816. [2021-11-19 13:40:48,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3816 states, 2053 states have (on average 1.2196785192401365) internal successors, (2504), 2161 states have internal predecessors, (2504), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-19 13:40:48,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3816 states to 3816 states and 5692 transitions. [2021-11-19 13:40:48,469 INFO L78 Accepts]: Start accepts. Automaton has 3816 states and 5692 transitions. Word has length 126 [2021-11-19 13:40:48,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:40:48,470 INFO L470 AbstractCegarLoop]: Abstraction has 3816 states and 5692 transitions. [2021-11-19 13:40:48,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-19 13:40:48,470 INFO L276 IsEmpty]: Start isEmpty. Operand 3816 states and 5692 transitions. [2021-11-19 13:40:48,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-19 13:40:48,473 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:40:48,474 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:40:48,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-19 13:40:48,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:40:48,695 INFO L402 AbstractCegarLoop]: === Iteration 15 === 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 27 more)] === [2021-11-19 13:40:48,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:40:48,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1986578125, now seen corresponding path program 1 times [2021-11-19 13:40:48,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:40:48,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1855997604] [2021-11-19 13:40:48,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:40:48,699 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:40:48,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:40:48,700 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:40:48,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-19 13:40:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:40:57,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 3617 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:40:57,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:40:58,601 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:40:58,601 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:40:59,232 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:40:59,232 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:40:59,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1855997604] [2021-11-19 13:40:59,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1855997604] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:40:59,233 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:40:59,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:40:59,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106734893] [2021-11-19 13:40:59,233 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:40:59,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:40:59,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:40:59,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:40:59,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:40:59,235 INFO L87 Difference]: Start difference. First operand 3816 states and 5692 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-19 13:40:59,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:40:59,639 INFO L93 Difference]: Finished difference Result 3816 states and 5692 transitions. [2021-11-19 13:40:59,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:40:59,639 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 132 [2021-11-19 13:40:59,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:40:59,662 INFO L225 Difference]: With dead ends: 3816 [2021-11-19 13:40:59,663 INFO L226 Difference]: Without dead ends: 3814 [2021-11-19 13:40:59,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:40:59,668 INFO L933 BasicCegarLoop]: 5688 mSDtfsCounter, 5576 mSDsluCounter, 5686 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5578 SdHoareTripleChecker+Valid, 11374 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:40:59,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5578 Valid, 11374 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:40:59,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3814 states. [2021-11-19 13:41:00,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3814 to 3814. [2021-11-19 13:41:00,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3814 states, 2052 states have (on average 1.219298245614035) internal successors, (2502), 2159 states have internal predecessors, (2502), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-19 13:41:00,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3814 states to 3814 states and 5690 transitions. [2021-11-19 13:41:00,430 INFO L78 Accepts]: Start accepts. Automaton has 3814 states and 5690 transitions. Word has length 132 [2021-11-19 13:41:00,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:41:00,431 INFO L470 AbstractCegarLoop]: Abstraction has 3814 states and 5690 transitions. [2021-11-19 13:41:00,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-19 13:41:00,432 INFO L276 IsEmpty]: Start isEmpty. Operand 3814 states and 5690 transitions. [2021-11-19 13:41:00,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-19 13:41:00,435 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:41:00,435 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:41:00,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-19 13:41:00,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:41:00,651 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 27 more)] === [2021-11-19 13:41:00,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:41:00,651 INFO L85 PathProgramCache]: Analyzing trace with hash -559054727, now seen corresponding path program 1 times [2021-11-19 13:41:00,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:41:00,655 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [470050389] [2021-11-19 13:41:00,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:41:00,655 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:41:00,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:41:00,656 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:41:00,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-19 13:41:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:41:09,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 3626 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:41:09,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:41:10,705 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:41:10,705 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:41:11,442 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:41:11,442 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:41:11,442 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [470050389] [2021-11-19 13:41:11,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [470050389] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:41:11,443 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:41:11,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:41:11,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014702629] [2021-11-19 13:41:11,443 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:41:11,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:41:11,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:41:11,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:41:11,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:41:11,445 INFO L87 Difference]: Start difference. First operand 3814 states and 5690 transitions. Second operand has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-19 13:41:11,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:41:11,911 INFO L93 Difference]: Finished difference Result 3814 states and 5690 transitions. [2021-11-19 13:41:11,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:41:11,912 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 138 [2021-11-19 13:41:11,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:41:11,935 INFO L225 Difference]: With dead ends: 3814 [2021-11-19 13:41:11,935 INFO L226 Difference]: Without dead ends: 3812 [2021-11-19 13:41:11,939 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:41:11,940 INFO L933 BasicCegarLoop]: 5686 mSDtfsCounter, 5568 mSDsluCounter, 5684 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5570 SdHoareTripleChecker+Valid, 11370 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:41:11,940 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5570 Valid, 11370 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:41:11,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3812 states. [2021-11-19 13:41:12,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3812 to 3812. [2021-11-19 13:41:12,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3812 states, 2051 states have (on average 1.2189176011701608) internal successors, (2500), 2157 states have internal predecessors, (2500), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-19 13:41:12,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3812 states to 3812 states and 5688 transitions. [2021-11-19 13:41:12,531 INFO L78 Accepts]: Start accepts. Automaton has 3812 states and 5688 transitions. Word has length 138 [2021-11-19 13:41:12,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:41:12,532 INFO L470 AbstractCegarLoop]: Abstraction has 3812 states and 5688 transitions. [2021-11-19 13:41:12,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-19 13:41:12,532 INFO L276 IsEmpty]: Start isEmpty. Operand 3812 states and 5688 transitions. [2021-11-19 13:41:12,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-19 13:41:12,536 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:41:12,536 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:41:12,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-19 13:41:12,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:41:12,751 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 27 more)] === [2021-11-19 13:41:12,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:41:12,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1944765489, now seen corresponding path program 1 times [2021-11-19 13:41:12,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:41:12,756 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [40262126] [2021-11-19 13:41:12,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:41:12,757 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:41:12,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:41:12,758 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:41:12,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-19 13:41:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:41:21,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 3635 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:41:21,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:41:22,850 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:41:22,850 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:41:24,099 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:41:24,099 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:41:24,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [40262126] [2021-11-19 13:41:24,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [40262126] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:41:24,100 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:41:24,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2021-11-19 13:41:24,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096425654] [2021-11-19 13:41:24,100 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:41:24,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 13:41:24,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:41:24,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 13:41:24,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:41:24,102 INFO L87 Difference]: Start difference. First operand 3812 states and 5688 transitions. Second operand has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-19 13:41:30,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:41:30,822 INFO L93 Difference]: Finished difference Result 3812 states and 5688 transitions. [2021-11-19 13:41:30,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:41:30,823 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 144 [2021-11-19 13:41:30,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:41:30,846 INFO L225 Difference]: With dead ends: 3812 [2021-11-19 13:41:30,846 INFO L226 Difference]: Without dead ends: 3810 [2021-11-19 13:41:30,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:41:30,852 INFO L933 BasicCegarLoop]: 5684 mSDtfsCounter, 8036 mSDsluCounter, 11364 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 3166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8038 SdHoareTripleChecker+Valid, 17048 SdHoareTripleChecker+Invalid, 3168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3166 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:41:30,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8038 Valid, 17048 Invalid, 3168 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3166 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2021-11-19 13:41:30,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3810 states. [2021-11-19 13:41:31,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3810 to 3810. [2021-11-19 13:41:31,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3810 states, 2050 states have (on average 1.2185365853658536) internal successors, (2498), 2155 states have internal predecessors, (2498), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-19 13:41:31,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3810 states to 3810 states and 5686 transitions. [2021-11-19 13:41:31,537 INFO L78 Accepts]: Start accepts. Automaton has 3810 states and 5686 transitions. Word has length 144 [2021-11-19 13:41:31,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:41:31,541 INFO L470 AbstractCegarLoop]: Abstraction has 3810 states and 5686 transitions. [2021-11-19 13:41:31,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-19 13:41:31,542 INFO L276 IsEmpty]: Start isEmpty. Operand 3810 states and 5686 transitions. [2021-11-19 13:41:31,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-19 13:41:31,544 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:41:31,545 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:41:31,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-19 13:41:31,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:41:31,764 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-19 13:41:31,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:41:31,764 INFO L85 PathProgramCache]: Analyzing trace with hash -2084237229, now seen corresponding path program 1 times [2021-11-19 13:41:31,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:41:31,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [422240380] [2021-11-19 13:41:31,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:41:31,768 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:41:31,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:41:31,769 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:41:31,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-19 13:41:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:41:40,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 3821 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-19 13:41:40,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:41:42,016 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 133 proven. 3 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2021-11-19 13:41:42,017 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:41:43,454 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2021-11-19 13:41:43,454 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:41:43,454 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [422240380] [2021-11-19 13:41:43,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [422240380] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:41:43,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1159016198] [2021-11-19 13:41:43,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:41:43,455 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 13:41:43,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 13:41:43,457 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 13:41:43,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2021-11-19 13:41:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:41:55,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 3821 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-19 13:41:55,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:41:56,534 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-11-19 13:41:56,535 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:41:57,572 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2021-11-19 13:41:57,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1159016198] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:41:57,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-19 13:41:57,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 8, 6] total 13 [2021-11-19 13:41:57,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399056308] [2021-11-19 13:41:57,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:41:57,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 13:41:57,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:41:57,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 13:41:57,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-11-19 13:41:57,574 INFO L87 Difference]: Start difference. First operand 3810 states and 5686 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, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2021-11-19 13:41:58,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:41:58,549 INFO L93 Difference]: Finished difference Result 7688 states and 11486 transitions. [2021-11-19 13:41:58,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:41:58,550 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, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) Word has length 171 [2021-11-19 13:41:58,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:41:58,571 INFO L225 Difference]: With dead ends: 7688 [2021-11-19 13:41:58,571 INFO L226 Difference]: Without dead ends: 3895 [2021-11-19 13:41:58,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 681 GetRequests, 669 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:41:58,604 INFO L933 BasicCegarLoop]: 5821 mSDtfsCounter, 712 mSDsluCounter, 22269 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1009 SdHoareTripleChecker+Valid, 28090 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:41:58,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1009 Valid, 28090 Invalid, 12 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:41:58,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3895 states. [2021-11-19 13:41:59,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3895 to 3810. [2021-11-19 13:41:59,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3810 states, 2050 states have (on average 1.2180487804878048) internal successors, (2497), 2154 states have internal predecessors, (2497), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-19 13:41:59,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3810 states to 3810 states and 5685 transitions. [2021-11-19 13:41:59,379 INFO L78 Accepts]: Start accepts. Automaton has 3810 states and 5685 transitions. Word has length 171 [2021-11-19 13:41:59,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:41:59,380 INFO L470 AbstractCegarLoop]: Abstraction has 3810 states and 5685 transitions. [2021-11-19 13:41:59,380 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, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2021-11-19 13:41:59,380 INFO L276 IsEmpty]: Start isEmpty. Operand 3810 states and 5685 transitions. [2021-11-19 13:41:59,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-19 13:41:59,383 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:41:59,383 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:41:59,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (21)] Ended with exit code 0 [2021-11-19 13:41:59,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2021-11-19 13:41:59,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 13:41:59,799 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 27 more)] === [2021-11-19 13:41:59,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:41:59,800 INFO L85 PathProgramCache]: Analyzing trace with hash 523499514, now seen corresponding path program 1 times [2021-11-19 13:41:59,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:41:59,804 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [213440194] [2021-11-19 13:41:59,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:41:59,804 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:41:59,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:41:59,805 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:41:59,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-19 13:42:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:42:08,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 3644 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:42:08,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:42:09,949 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:42:09,950 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:42:10,660 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:42:10,660 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:42:10,660 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [213440194] [2021-11-19 13:42:10,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [213440194] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:42:10,661 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:42:10,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:42:10,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975286601] [2021-11-19 13:42:10,662 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:42:10,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:42:10,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:42:10,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:42:10,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:42:10,664 INFO L87 Difference]: Start difference. First operand 3810 states and 5685 transitions. Second operand has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-19 13:42:11,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:42:11,161 INFO L93 Difference]: Finished difference Result 3810 states and 5685 transitions. [2021-11-19 13:42:11,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:42:11,162 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 150 [2021-11-19 13:42:11,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:42:11,178 INFO L225 Difference]: With dead ends: 3810 [2021-11-19 13:42:11,178 INFO L226 Difference]: Without dead ends: 3808 [2021-11-19 13:42:11,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 294 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:42:11,181 INFO L933 BasicCegarLoop]: 5681 mSDtfsCounter, 5548 mSDsluCounter, 11358 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5550 SdHoareTripleChecker+Valid, 17039 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:42:11,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5550 Valid, 17039 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:42:11,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3808 states. [2021-11-19 13:42:11,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3808 to 3808. [2021-11-19 13:42:11,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3808 states, 2049 states have (on average 1.2176671547096145) internal successors, (2495), 2152 states have internal predecessors, (2495), 1595 states have call successors, (1595), 154 states have call predecessors, (1595), 153 states have return successors, (1593), 1549 states have call predecessors, (1593), 1593 states have call successors, (1593) [2021-11-19 13:42:11,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3808 states to 3808 states and 5683 transitions. [2021-11-19 13:42:11,953 INFO L78 Accepts]: Start accepts. Automaton has 3808 states and 5683 transitions. Word has length 150 [2021-11-19 13:42:11,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:42:11,956 INFO L470 AbstractCegarLoop]: Abstraction has 3808 states and 5683 transitions. [2021-11-19 13:42:11,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-19 13:42:11,956 INFO L276 IsEmpty]: Start isEmpty. Operand 3808 states and 5683 transitions. [2021-11-19 13:42:11,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-19 13:42:11,960 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:42:11,960 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:42:12,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-19 13:42:12,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:42:12,175 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-19 13:42:12,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:42:12,175 INFO L85 PathProgramCache]: Analyzing trace with hash -564041770, now seen corresponding path program 1 times [2021-11-19 13:42:12,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:42:12,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [717956417] [2021-11-19 13:42:12,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:42:12,181 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:42:12,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:42:12,182 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:42:12,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-19 13:42:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:42:22,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 3832 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-19 13:42:22,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:42:23,900 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2021-11-19 13:42:23,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:42:25,473 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-19 13:42:25,473 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:42:25,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [717956417] [2021-11-19 13:42:25,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [717956417] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:42:25,474 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:42:25,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15, 15] imperfect sequences [] total 18 [2021-11-19 13:42:25,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140734477] [2021-11-19 13:42:25,475 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:42:25,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-19 13:42:25,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:42:25,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-19 13:42:25,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-11-19 13:42:25,477 INFO L87 Difference]: Start difference. First operand 3808 states and 5683 transitions. Second operand has 18 states, 17 states have (on average 4.647058823529412) internal successors, (79), 17 states have internal predecessors, (79), 8 states have call successors, (26), 2 states have call predecessors, (26), 5 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) [2021-11-19 13:42:36,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:42:36,753 INFO L93 Difference]: Finished difference Result 9248 states and 13838 transitions. [2021-11-19 13:42:36,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-19 13:42:36,753 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.647058823529412) internal successors, (79), 17 states have internal predecessors, (79), 8 states have call successors, (26), 2 states have call predecessors, (26), 5 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) Word has length 175 [2021-11-19 13:42:36,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:42:36,783 INFO L225 Difference]: With dead ends: 9248 [2021-11-19 13:42:36,784 INFO L226 Difference]: Without dead ends: 5460 [2021-11-19 13:42:36,804 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=198, Invalid=924, Unknown=0, NotChecked=0, Total=1122 [2021-11-19 13:42:36,805 INFO L933 BasicCegarLoop]: 7204 mSDtfsCounter, 3567 mSDsluCounter, 95380 mSDsCounter, 0 mSdLazyCounter, 1296 mSolverCounterSat, 1687 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3849 SdHoareTripleChecker+Valid, 102584 SdHoareTripleChecker+Invalid, 2983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1687 IncrementalHoareTripleChecker+Valid, 1296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:42:36,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3849 Valid, 102584 Invalid, 2983 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1687 Valid, 1296 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2021-11-19 13:42:36,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5460 states. [2021-11-19 13:42:37,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5460 to 3823. [2021-11-19 13:42:37,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3823 states, 2060 states have (on average 1.216504854368932) internal successors, (2506), 2163 states have internal predecessors, (2506), 1599 states have call successors, (1599), 154 states have call predecessors, (1599), 153 states have return successors, (1597), 1553 states have call predecessors, (1597), 1597 states have call successors, (1597) [2021-11-19 13:42:37,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3823 states to 3823 states and 5702 transitions. [2021-11-19 13:42:37,564 INFO L78 Accepts]: Start accepts. Automaton has 3823 states and 5702 transitions. Word has length 175 [2021-11-19 13:42:37,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:42:37,565 INFO L470 AbstractCegarLoop]: Abstraction has 3823 states and 5702 transitions. [2021-11-19 13:42:37,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.647058823529412) internal successors, (79), 17 states have internal predecessors, (79), 8 states have call successors, (26), 2 states have call predecessors, (26), 5 states have return successors, (24), 8 states have call predecessors, (24), 8 states have call successors, (24) [2021-11-19 13:42:37,566 INFO L276 IsEmpty]: Start isEmpty. Operand 3823 states and 5702 transitions. [2021-11-19 13:42:37,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-19 13:42:37,568 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:42:37,569 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:42:37,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-19 13:42:37,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:42:37,795 INFO L402 AbstractCegarLoop]: === Iteration 21 === 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 27 more)] === [2021-11-19 13:42:37,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:42:37,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1802360992, now seen corresponding path program 1 times [2021-11-19 13:42:37,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:42:37,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1192811365] [2021-11-19 13:42:37,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:42:37,800 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:42:37,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:42:37,802 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:42:37,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-19 13:42:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:42:46,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 3653 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:42:46,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:42:48,077 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:42:48,077 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:42:48,827 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:42:48,828 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:42:48,828 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1192811365] [2021-11-19 13:42:48,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1192811365] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:42:48,828 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:42:48,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:42:48,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197611002] [2021-11-19 13:42:48,828 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:42:48,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:42:48,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:42:48,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:42:48,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:42:48,830 INFO L87 Difference]: Start difference. First operand 3823 states and 5702 transitions. Second operand has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-19 13:42:49,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:42:49,771 INFO L93 Difference]: Finished difference Result 6366 states and 9614 transitions. [2021-11-19 13:42:49,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:42:49,772 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 156 [2021-11-19 13:42:49,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:42:49,815 INFO L225 Difference]: With dead ends: 6366 [2021-11-19 13:42:49,815 INFO L226 Difference]: Without dead ends: 6364 [2021-11-19 13:42:49,821 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:42:49,822 INFO L933 BasicCegarLoop]: 7307 mSDtfsCounter, 5495 mSDsluCounter, 18562 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5497 SdHoareTripleChecker+Valid, 25869 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:42:49,822 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5497 Valid, 25869 Invalid, 8 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:42:49,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6364 states. [2021-11-19 13:42:51,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6364 to 6336. [2021-11-19 13:42:51,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6336 states, 3253 states have (on average 1.2108822625268982) internal successors, (3939), 3414 states have internal predecessors, (3939), 2817 states have call successors, (2817), 257 states have call predecessors, (2817), 256 states have return successors, (2825), 2744 states have call predecessors, (2825), 2815 states have call successors, (2825) [2021-11-19 13:42:51,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6336 states to 6336 states and 9581 transitions. [2021-11-19 13:42:51,314 INFO L78 Accepts]: Start accepts. Automaton has 6336 states and 9581 transitions. Word has length 156 [2021-11-19 13:42:51,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:42:51,315 INFO L470 AbstractCegarLoop]: Abstraction has 6336 states and 9581 transitions. [2021-11-19 13:42:51,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-19 13:42:51,316 INFO L276 IsEmpty]: Start isEmpty. Operand 6336 states and 9581 transitions. [2021-11-19 13:42:51,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-19 13:42:51,318 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:42:51,319 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:42:51,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-19 13:42:51,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:42:51,535 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-19 13:42:51,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:42:51,535 INFO L85 PathProgramCache]: Analyzing trace with hash 976632239, now seen corresponding path program 1 times [2021-11-19 13:42:51,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:42:51,539 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2069447633] [2021-11-19 13:42:51,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:42:51,539 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:42:51,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:42:51,540 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:42:51,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-19 13:42:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:43:00,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 3662 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:43:00,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:43:01,972 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:43:01,972 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:43:02,743 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:43:02,743 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:43:02,743 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2069447633] [2021-11-19 13:43:02,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2069447633] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:43:02,744 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:43:02,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:43:02,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798758189] [2021-11-19 13:43:02,744 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:43:02,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:43:02,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:43:02,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:43:02,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:43:02,746 INFO L87 Difference]: Start difference. First operand 6336 states and 9581 transitions. Second operand has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-19 13:43:03,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:43:03,531 INFO L93 Difference]: Finished difference Result 6336 states and 9581 transitions. [2021-11-19 13:43:03,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:43:03,534 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 162 [2021-11-19 13:43:03,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:43:03,560 INFO L225 Difference]: With dead ends: 6336 [2021-11-19 13:43:03,560 INFO L226 Difference]: Without dead ends: 6334 [2021-11-19 13:43:03,564 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:43:03,565 INFO L933 BasicCegarLoop]: 5677 mSDtfsCounter, 5532 mSDsluCounter, 11350 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5534 SdHoareTripleChecker+Valid, 17027 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:43:03,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5534 Valid, 17027 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:43:03,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6334 states. [2021-11-19 13:43:04,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6334 to 6334. [2021-11-19 13:43:04,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6334 states, 3252 states have (on average 1.210639606396064) internal successors, (3937), 3412 states have internal predecessors, (3937), 2817 states have call successors, (2817), 257 states have call predecessors, (2817), 256 states have return successors, (2825), 2744 states have call predecessors, (2825), 2815 states have call successors, (2825) [2021-11-19 13:43:04,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6334 states to 6334 states and 9579 transitions. [2021-11-19 13:43:04,849 INFO L78 Accepts]: Start accepts. Automaton has 6334 states and 9579 transitions. Word has length 162 [2021-11-19 13:43:04,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:43:04,849 INFO L470 AbstractCegarLoop]: Abstraction has 6334 states and 9579 transitions. [2021-11-19 13:43:04,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-19 13:43:04,850 INFO L276 IsEmpty]: Start isEmpty. Operand 6334 states and 9579 transitions. [2021-11-19 13:43:04,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-19 13:43:04,852 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:43:04,852 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:43:04,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-11-19 13:43:05,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:43:05,053 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-19 13:43:05,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:43:05,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1306178637, now seen corresponding path program 1 times [2021-11-19 13:43:05,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:43:05,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1130788968] [2021-11-19 13:43:05,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:43:05,058 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:43:05,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:43:05,059 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:43:05,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-19 13:43:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:43:13,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 3671 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:43:13,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:43:15,538 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:43:15,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:43:16,296 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:43:16,296 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:43:16,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1130788968] [2021-11-19 13:43:16,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1130788968] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:43:16,296 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:43:16,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:43:16,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478630211] [2021-11-19 13:43:16,297 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:43:16,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:43:16,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:43:16,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:43:16,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:43:16,298 INFO L87 Difference]: Start difference. First operand 6334 states and 9579 transitions. Second operand has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-19 13:43:17,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:43:17,081 INFO L93 Difference]: Finished difference Result 6334 states and 9579 transitions. [2021-11-19 13:43:17,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:43:17,081 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 168 [2021-11-19 13:43:17,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:43:17,117 INFO L225 Difference]: With dead ends: 6334 [2021-11-19 13:43:17,117 INFO L226 Difference]: Without dead ends: 6332 [2021-11-19 13:43:17,122 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:43:17,123 INFO L933 BasicCegarLoop]: 5675 mSDtfsCounter, 5524 mSDsluCounter, 11346 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5526 SdHoareTripleChecker+Valid, 17021 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:43:17,123 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5526 Valid, 17021 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:43:17,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6332 states. [2021-11-19 13:43:18,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6332 to 6332. [2021-11-19 13:43:18,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6332 states, 3251 states have (on average 1.2103968009843125) internal successors, (3935), 3410 states have internal predecessors, (3935), 2817 states have call successors, (2817), 257 states have call predecessors, (2817), 256 states have return successors, (2825), 2744 states have call predecessors, (2825), 2815 states have call successors, (2825) [2021-11-19 13:43:18,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6332 states to 6332 states and 9577 transitions. [2021-11-19 13:43:18,481 INFO L78 Accepts]: Start accepts. Automaton has 6332 states and 9577 transitions. Word has length 168 [2021-11-19 13:43:18,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:43:18,482 INFO L470 AbstractCegarLoop]: Abstraction has 6332 states and 9577 transitions. [2021-11-19 13:43:18,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-19 13:43:18,482 INFO L276 IsEmpty]: Start isEmpty. Operand 6332 states and 9577 transitions. [2021-11-19 13:43:18,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-19 13:43:18,485 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:43:18,486 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:43:18,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-19 13:43:18,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:43:18,691 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-19 13:43:18,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:43:18,691 INFO L85 PathProgramCache]: Analyzing trace with hash 175119306, now seen corresponding path program 1 times [2021-11-19 13:43:18,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:43:18,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1416911159] [2021-11-19 13:43:18,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:43:18,695 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:43:18,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:43:18,696 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:43:18,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-19 13:43:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:43:27,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 3680 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:43:27,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:43:29,145 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:43:29,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:43:29,964 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:43:29,964 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:43:29,964 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1416911159] [2021-11-19 13:43:29,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1416911159] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:43:29,964 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:43:29,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:43:29,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172347230] [2021-11-19 13:43:29,965 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:43:29,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:43:29,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:43:29,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:43:29,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:43:29,967 INFO L87 Difference]: Start difference. First operand 6332 states and 9577 transitions. Second operand has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-19 13:43:30,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:43:30,949 INFO L93 Difference]: Finished difference Result 6332 states and 9577 transitions. [2021-11-19 13:43:30,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:43:30,950 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 174 [2021-11-19 13:43:30,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:43:30,972 INFO L225 Difference]: With dead ends: 6332 [2021-11-19 13:43:30,972 INFO L226 Difference]: Without dead ends: 6330 [2021-11-19 13:43:30,977 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:43:30,978 INFO L933 BasicCegarLoop]: 5673 mSDtfsCounter, 5516 mSDsluCounter, 11342 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5518 SdHoareTripleChecker+Valid, 17015 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:43:30,978 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5518 Valid, 17015 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:43:30,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6330 states. [2021-11-19 13:43:32,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6330 to 6330. [2021-11-19 13:43:32,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6330 states, 3250 states have (on average 1.2101538461538461) internal successors, (3933), 3408 states have internal predecessors, (3933), 2817 states have call successors, (2817), 257 states have call predecessors, (2817), 256 states have return successors, (2825), 2744 states have call predecessors, (2825), 2815 states have call successors, (2825) [2021-11-19 13:43:32,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6330 states to 6330 states and 9575 transitions. [2021-11-19 13:43:32,104 INFO L78 Accepts]: Start accepts. Automaton has 6330 states and 9575 transitions. Word has length 174 [2021-11-19 13:43:32,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:43:32,104 INFO L470 AbstractCegarLoop]: Abstraction has 6330 states and 9575 transitions. [2021-11-19 13:43:32,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-19 13:43:32,105 INFO L276 IsEmpty]: Start isEmpty. Operand 6330 states and 9575 transitions. [2021-11-19 13:43:32,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-19 13:43:32,109 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:43:32,109 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:43:32,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (28)] Ended with exit code 0 [2021-11-19 13:43:32,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:43:32,316 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-19 13:43:32,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:43:32,316 INFO L85 PathProgramCache]: Analyzing trace with hash 2030908022, now seen corresponding path program 1 times [2021-11-19 13:43:32,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:43:32,320 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [206321547] [2021-11-19 13:43:32,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:43:32,320 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:43:32,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:43:32,321 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:43:32,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-19 13:43:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:43:40,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 3689 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:43:40,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:43:42,837 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:43:42,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:43:43,600 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:43:43,600 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:43:43,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [206321547] [2021-11-19 13:43:43,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [206321547] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:43:43,601 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:43:43,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 13:43:43,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057005991] [2021-11-19 13:43:43,601 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:43:43,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:43:43,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:43:43,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:43:43,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 13:43:43,602 INFO L87 Difference]: Start difference. First operand 6330 states and 9575 transitions. Second operand has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2021-11-19 13:43:44,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:43:44,459 INFO L93 Difference]: Finished difference Result 6330 states and 9575 transitions. [2021-11-19 13:43:44,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:43:44,460 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 180 [2021-11-19 13:43:44,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:43:44,481 INFO L225 Difference]: With dead ends: 6330 [2021-11-19 13:43:44,481 INFO L226 Difference]: Without dead ends: 6137 [2021-11-19 13:43:44,484 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:43:44,484 INFO L933 BasicCegarLoop]: 5672 mSDtfsCounter, 5507 mSDsluCounter, 5672 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5507 SdHoareTripleChecker+Valid, 11344 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:43:44,485 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5507 Valid, 11344 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:43:44,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6137 states. [2021-11-19 13:43:45,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6137 to 6137. [2021-11-19 13:43:45,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6137 states, 3132 states have (on average 1.2161558109833972) internal successors, (3809), 3287 states have internal predecessors, (3809), 2762 states have call successors, (2762), 237 states have call predecessors, (2762), 237 states have return successors, (2772), 2691 states have call predecessors, (2772), 2762 states have call successors, (2772) [2021-11-19 13:43:45,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6137 states to 6137 states and 9343 transitions. [2021-11-19 13:43:45,525 INFO L78 Accepts]: Start accepts. Automaton has 6137 states and 9343 transitions. Word has length 180 [2021-11-19 13:43:45,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:43:45,526 INFO L470 AbstractCegarLoop]: Abstraction has 6137 states and 9343 transitions. [2021-11-19 13:43:45,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2021-11-19 13:43:45,526 INFO L276 IsEmpty]: Start isEmpty. Operand 6137 states and 9343 transitions. [2021-11-19 13:43:45,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-11-19 13:43:45,529 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:43:45,529 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 26, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:43:45,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2021-11-19 13:43:45,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:43:45,730 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-19 13:43:45,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:43:45,731 INFO L85 PathProgramCache]: Analyzing trace with hash -2087719067, now seen corresponding path program 1 times [2021-11-19 13:43:45,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:43:45,735 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1799342623] [2021-11-19 13:43:45,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:43:45,735 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:43:45,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:43:45,736 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:43:45,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-19 13:43:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:43:55,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 4297 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:43:55,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:43:57,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 897 proven. 0 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2021-11-19 13:43:57,518 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:43:58,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2071 trivial. 0 not checked. [2021-11-19 13:43:58,424 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:43:58,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1799342623] [2021-11-19 13:43:58,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1799342623] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:43:58,425 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:43:58,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 13:43:58,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888841447] [2021-11-19 13:43:58,425 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:43:58,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:43:58,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:43:58,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:43:58,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:43:58,427 INFO L87 Difference]: Start difference. First operand 6137 states and 9343 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-19 13:43:59,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:43:59,342 INFO L93 Difference]: Finished difference Result 12257 states and 18663 transitions. [2021-11-19 13:43:59,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:43:59,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 356 [2021-11-19 13:43:59,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:43:59,375 INFO L225 Difference]: With dead ends: 12257 [2021-11-19 13:43:59,375 INFO L226 Difference]: Without dead ends: 6139 [2021-11-19 13:43:59,410 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 710 GetRequests, 709 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:43:59,411 INFO L933 BasicCegarLoop]: 5442 mSDtfsCounter, 1 mSDsluCounter, 5436 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 10878 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:43:59,412 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 10878 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:43:59,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6139 states. [2021-11-19 13:44:00,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6139 to 6138. [2021-11-19 13:44:00,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6138 states, 3133 states have (on average 1.2160868177465687) internal successors, (3810), 3288 states have internal predecessors, (3810), 2762 states have call successors, (2762), 237 states have call predecessors, (2762), 237 states have return successors, (2772), 2691 states have call predecessors, (2772), 2762 states have call successors, (2772) [2021-11-19 13:44:00,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6138 states to 6138 states and 9344 transitions. [2021-11-19 13:44:00,629 INFO L78 Accepts]: Start accepts. Automaton has 6138 states and 9344 transitions. Word has length 356 [2021-11-19 13:44:00,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:44:00,630 INFO L470 AbstractCegarLoop]: Abstraction has 6138 states and 9344 transitions. [2021-11-19 13:44:00,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-19 13:44:00,630 INFO L276 IsEmpty]: Start isEmpty. Operand 6138 states and 9344 transitions. [2021-11-19 13:44:00,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-11-19 13:44:00,635 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:44:00,635 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 26, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:44:00,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (30)] Ended with exit code 0 [2021-11-19 13:44:00,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:44:00,843 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-19 13:44:00,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:44:00,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1746040153, now seen corresponding path program 1 times [2021-11-19 13:44:00,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:44:00,847 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [61639771] [2021-11-19 13:44:00,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:44:00,848 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:44:00,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:44:00,849 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:44:00,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-19 13:44:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:44:11,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 4299 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 13:44:11,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:44:13,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 897 proven. 0 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2021-11-19 13:44:13,334 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:44:14,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2071 trivial. 0 not checked. [2021-11-19 13:44:14,375 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:44:14,375 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [61639771] [2021-11-19 13:44:14,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [61639771] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:44:14,375 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:44:14,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-19 13:44:14,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472068394] [2021-11-19 13:44:14,376 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:44:14,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 13:44:14,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:44:14,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 13:44:14,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-19 13:44:14,378 INFO L87 Difference]: Start difference. First operand 6138 states and 9344 transitions. Second operand has 8 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-19 13:44:16,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:44:16,472 INFO L93 Difference]: Finished difference Result 12348 states and 18791 transitions. [2021-11-19 13:44:16,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 13:44:16,473 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 356 [2021-11-19 13:44:16,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:44:16,509 INFO L225 Difference]: With dead ends: 12348 [2021-11-19 13:44:16,510 INFO L226 Difference]: Without dead ends: 6229 [2021-11-19 13:44:16,533 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 716 GetRequests, 707 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-19 13:44:16,534 INFO L933 BasicCegarLoop]: 5530 mSDtfsCounter, 171 mSDsluCounter, 27324 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 32854 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:44:16,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 32854 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-19 13:44:16,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6229 states. [2021-11-19 13:44:17,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6229 to 6141. [2021-11-19 13:44:17,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6141 states, 3136 states have (on average 1.2158801020408163) internal successors, (3813), 3291 states have internal predecessors, (3813), 2762 states have call successors, (2762), 237 states have call predecessors, (2762), 237 states have return successors, (2772), 2691 states have call predecessors, (2772), 2762 states have call successors, (2772) [2021-11-19 13:44:17,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6141 states to 6141 states and 9347 transitions. [2021-11-19 13:44:17,668 INFO L78 Accepts]: Start accepts. Automaton has 6141 states and 9347 transitions. Word has length 356 [2021-11-19 13:44:17,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:44:17,668 INFO L470 AbstractCegarLoop]: Abstraction has 6141 states and 9347 transitions. [2021-11-19 13:44:17,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-19 13:44:17,669 INFO L276 IsEmpty]: Start isEmpty. Operand 6141 states and 9347 transitions. [2021-11-19 13:44:17,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-11-19 13:44:17,673 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:44:17,673 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 26, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:44:17,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (31)] Ended with exit code 0 [2021-11-19 13:44:17,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:44:17,877 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-19 13:44:17,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:44:17,878 INFO L85 PathProgramCache]: Analyzing trace with hash 157623525, now seen corresponding path program 1 times [2021-11-19 13:44:17,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:44:17,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [61617239] [2021-11-19 13:44:17,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:44:17,883 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:44:17,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:44:17,884 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:44:17,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-11-19 13:44:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:44:30,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 4302 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-19 13:44:30,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:44:33,567 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 1813 trivial. 0 not checked. [2021-11-19 13:44:33,567 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:44:37,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 1861 trivial. 0 not checked. [2021-11-19 13:44:37,729 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:44:37,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [61617239] [2021-11-19 13:44:37,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [61617239] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:44:37,730 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:44:37,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13, 10] imperfect sequences [] total 20 [2021-11-19 13:44:37,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040601136] [2021-11-19 13:44:37,730 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:44:37,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-19 13:44:37,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:44:37,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-19 13:44:37,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2021-11-19 13:44:37,732 INFO L87 Difference]: Start difference. First operand 6141 states and 9347 transitions. Second operand has 20 states, 16 states have (on average 6.25) internal successors, (100), 13 states have internal predecessors, (100), 7 states have call successors, (37), 2 states have call predecessors, (37), 6 states have return successors, (37), 9 states have call predecessors, (37), 7 states have call successors, (37) [2021-11-19 13:44:43,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:44:43,799 INFO L93 Difference]: Finished difference Result 12980 states and 19736 transitions. [2021-11-19 13:44:43,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 13:44:43,800 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 16 states have (on average 6.25) internal successors, (100), 13 states have internal predecessors, (100), 7 states have call successors, (37), 2 states have call predecessors, (37), 6 states have return successors, (37), 9 states have call predecessors, (37), 7 states have call successors, (37) Word has length 356 [2021-11-19 13:44:43,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:44:43,839 INFO L225 Difference]: With dead ends: 12980 [2021-11-19 13:44:43,840 INFO L226 Difference]: Without dead ends: 6858 [2021-11-19 13:44:43,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 714 GetRequests, 692 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2021-11-19 13:44:43,875 INFO L933 BasicCegarLoop]: 6396 mSDtfsCounter, 1337 mSDsluCounter, 56613 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1581 SdHoareTripleChecker+Valid, 63009 SdHoareTripleChecker+Invalid, 796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-19 13:44:43,875 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1581 Valid, 63009 Invalid, 796 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [257 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-11-19 13:44:43,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6858 states. [2021-11-19 13:44:44,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6858 to 6141. [2021-11-19 13:44:44,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6141 states, 3136 states have (on average 1.215561224489796) internal successors, (3812), 3291 states have internal predecessors, (3812), 2762 states have call successors, (2762), 237 states have call predecessors, (2762), 237 states have return successors, (2772), 2691 states have call predecessors, (2772), 2762 states have call successors, (2772) [2021-11-19 13:44:44,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6141 states to 6141 states and 9346 transitions. [2021-11-19 13:44:44,978 INFO L78 Accepts]: Start accepts. Automaton has 6141 states and 9346 transitions. Word has length 356 [2021-11-19 13:44:44,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:44:44,979 INFO L470 AbstractCegarLoop]: Abstraction has 6141 states and 9346 transitions. [2021-11-19 13:44:44,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 16 states have (on average 6.25) internal successors, (100), 13 states have internal predecessors, (100), 7 states have call successors, (37), 2 states have call predecessors, (37), 6 states have return successors, (37), 9 states have call predecessors, (37), 7 states have call successors, (37) [2021-11-19 13:44:44,979 INFO L276 IsEmpty]: Start isEmpty. Operand 6141 states and 9346 transitions. [2021-11-19 13:44:44,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2021-11-19 13:44:44,984 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:44:44,984 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 26, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:44:45,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (32)] Ended with exit code 0 [2021-11-19 13:44:45,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:44:45,189 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-19 13:44:45,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:44:45,189 INFO L85 PathProgramCache]: Analyzing trace with hash -987330148, now seen corresponding path program 1 times [2021-11-19 13:44:45,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:44:45,195 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1383300913] [2021-11-19 13:44:45,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:44:45,195 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:44:45,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:44:45,196 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:44:45,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-11-19 13:44:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:44:58,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 4303 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-19 13:44:58,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:44:59,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 164 proven. 3 refuted. 0 times theorem prover too weak. 1904 trivial. 0 not checked. [2021-11-19 13:44:59,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:45:02,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 138 proven. 3 refuted. 0 times theorem prover too weak. 1930 trivial. 0 not checked. [2021-11-19 13:45:02,010 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:45:02,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1383300913] [2021-11-19 13:45:02,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1383300913] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:45:02,011 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [773253392] [2021-11-19 13:45:02,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:45:02,011 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 13:45:02,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 13:45:02,013 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 13:45:02,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2021-11-19 13:45:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:45:13,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 4303 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-19 13:45:13,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:45:14,508 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 1979 trivial. 0 not checked. [2021-11-19 13:45:14,508 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:45:15,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 1994 trivial. 0 not checked. [2021-11-19 13:45:15,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [773253392] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:45:15,639 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 13:45:15,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [9, 8] total 14 [2021-11-19 13:45:15,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614496263] [2021-11-19 13:45:15,639 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:45:15,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:45:15,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:45:15,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:45:15,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:45:15,641 INFO L87 Difference]: Start difference. First operand 6141 states and 9346 transitions. Second operand has 10 states, 10 states have (on average 9.5) internal successors, (95), 8 states have internal predecessors, (95), 4 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (37), 6 states have call predecessors, (37), 4 states have call successors, (37) [2021-11-19 13:45:17,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:45:17,253 INFO L93 Difference]: Finished difference Result 12976 states and 19729 transitions. [2021-11-19 13:45:17,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 13:45:17,255 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.5) internal successors, (95), 8 states have internal predecessors, (95), 4 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (37), 6 states have call predecessors, (37), 4 states have call successors, (37) Word has length 357 [2021-11-19 13:45:17,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:45:17,284 INFO L225 Difference]: With dead ends: 12976 [2021-11-19 13:45:17,284 INFO L226 Difference]: Without dead ends: 6854 [2021-11-19 13:45:17,306 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1426 GetRequests, 1411 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2021-11-19 13:45:17,306 INFO L933 BasicCegarLoop]: 6441 mSDtfsCounter, 667 mSDsluCounter, 36823 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 909 SdHoareTripleChecker+Valid, 43264 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:45:17,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [909 Valid, 43264 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 13:45:17,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6854 states. [2021-11-19 13:45:18,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6854 to 6141. [2021-11-19 13:45:18,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6141 states, 3136 states have (on average 1.2152423469387754) internal successors, (3811), 3291 states have internal predecessors, (3811), 2762 states have call successors, (2762), 237 states have call predecessors, (2762), 237 states have return successors, (2772), 2691 states have call predecessors, (2772), 2762 states have call successors, (2772) [2021-11-19 13:45:18,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6141 states to 6141 states and 9345 transitions. [2021-11-19 13:45:18,362 INFO L78 Accepts]: Start accepts. Automaton has 6141 states and 9345 transitions. Word has length 357 [2021-11-19 13:45:18,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:45:18,362 INFO L470 AbstractCegarLoop]: Abstraction has 6141 states and 9345 transitions. [2021-11-19 13:45:18,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.5) internal successors, (95), 8 states have internal predecessors, (95), 4 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (37), 6 states have call predecessors, (37), 4 states have call successors, (37) [2021-11-19 13:45:18,363 INFO L276 IsEmpty]: Start isEmpty. Operand 6141 states and 9345 transitions. [2021-11-19 13:45:18,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-11-19 13:45:18,365 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:45:18,366 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 26, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:45:18,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (33)] Ended with exit code 0 [2021-11-19 13:45:18,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2021-11-19 13:45:18,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 13:45:18,769 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-19 13:45:18,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:45:18,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1456968382, now seen corresponding path program 1 times [2021-11-19 13:45:18,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:45:18,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [607790469] [2021-11-19 13:45:18,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:45:18,774 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:45:18,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:45:18,775 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:45:18,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2021-11-19 13:45:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:45:32,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 4304 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-19 13:45:32,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:45:33,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 164 proven. 3 refuted. 0 times theorem prover too weak. 1904 trivial. 0 not checked. [2021-11-19 13:45:33,549 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:45:35,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 138 proven. 3 refuted. 0 times theorem prover too weak. 1930 trivial. 0 not checked. [2021-11-19 13:45:35,952 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:45:35,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [607790469] [2021-11-19 13:45:35,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [607790469] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:45:35,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [402804875] [2021-11-19 13:45:35,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:45:35,952 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 13:45:35,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 13:45:35,954 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 13:45:35,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2021-11-19 13:45:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:45:47,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 4304 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-19 13:45:47,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:45:48,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 1979 trivial. 0 not checked. [2021-11-19 13:45:48,841 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:45:50,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 1994 trivial. 0 not checked. [2021-11-19 13:45:50,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [402804875] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:45:50,076 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 13:45:50,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [9, 8] total 14 [2021-11-19 13:45:50,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818107078] [2021-11-19 13:45:50,077 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:45:50,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:45:50,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:45:50,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:45:50,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:45:50,078 INFO L87 Difference]: Start difference. First operand 6141 states and 9345 transitions. Second operand has 10 states, 10 states have (on average 9.6) internal successors, (96), 8 states have internal predecessors, (96), 4 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (37), 6 states have call predecessors, (37), 4 states have call successors, (37) [2021-11-19 13:45:52,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:45:52,282 INFO L93 Difference]: Finished difference Result 12974 states and 19722 transitions. [2021-11-19 13:45:52,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 13:45:52,283 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.6) internal successors, (96), 8 states have internal predecessors, (96), 4 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (37), 6 states have call predecessors, (37), 4 states have call successors, (37) Word has length 358 [2021-11-19 13:45:52,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:45:52,310 INFO L225 Difference]: With dead ends: 12974 [2021-11-19 13:45:52,311 INFO L226 Difference]: Without dead ends: 6852 [2021-11-19 13:45:52,331 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1430 GetRequests, 1415 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2021-11-19 13:45:52,332 INFO L933 BasicCegarLoop]: 6439 mSDtfsCounter, 1328 mSDsluCounter, 31277 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1570 SdHoareTripleChecker+Valid, 37716 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:45:52,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1570 Valid, 37716 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-19 13:45:52,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6852 states. [2021-11-19 13:45:53,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6852 to 6141. [2021-11-19 13:45:53,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6141 states, 3136 states have (on average 1.214923469387755) internal successors, (3810), 3291 states have internal predecessors, (3810), 2762 states have call successors, (2762), 237 states have call predecessors, (2762), 237 states have return successors, (2772), 2691 states have call predecessors, (2772), 2762 states have call successors, (2772) [2021-11-19 13:45:53,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6141 states to 6141 states and 9344 transitions. [2021-11-19 13:45:53,311 INFO L78 Accepts]: Start accepts. Automaton has 6141 states and 9344 transitions. Word has length 358 [2021-11-19 13:45:53,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:45:53,312 INFO L470 AbstractCegarLoop]: Abstraction has 6141 states and 9344 transitions. [2021-11-19 13:45:53,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.6) internal successors, (96), 8 states have internal predecessors, (96), 4 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (37), 6 states have call predecessors, (37), 4 states have call successors, (37) [2021-11-19 13:45:53,312 INFO L276 IsEmpty]: Start isEmpty. Operand 6141 states and 9344 transitions. [2021-11-19 13:45:53,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2021-11-19 13:45:53,316 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:45:53,317 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 26, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:45:53,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2021-11-19 13:45:53,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2021-11-19 13:45:53,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:45:53,727 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-19 13:45:53,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:45:53,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1683672898, now seen corresponding path program 1 times [2021-11-19 13:45:53,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:45:53,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [599018248] [2021-11-19 13:45:53,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:45:53,732 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:45:53,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:45:53,733 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:45:53,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2021-11-19 13:46:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:46:07,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 4313 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 13:46:07,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:46:10,790 INFO L134 CoverageAnalysis]: Checked inductivity of 2074 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2074 trivial. 0 not checked. [2021-11-19 13:46:10,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:46:12,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2074 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2074 trivial. 0 not checked. [2021-11-19 13:46:12,445 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:46:12,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [599018248] [2021-11-19 13:46:12,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [599018248] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:46:12,446 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:46:12,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2021-11-19 13:46:12,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558780878] [2021-11-19 13:46:12,446 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:46:12,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 13:46:12,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:46:12,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 13:46:12,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:46:12,448 INFO L87 Difference]: Start difference. First operand 6141 states and 9344 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (61), 4 states have call predecessors, (61), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2021-11-19 13:46:13,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:46:13,448 INFO L93 Difference]: Finished difference Result 6169 states and 9375 transitions. [2021-11-19 13:46:13,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:46:13,449 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (61), 4 states have call predecessors, (61), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 360 [2021-11-19 13:46:13,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:46:13,473 INFO L225 Difference]: With dead ends: 6169 [2021-11-19 13:46:13,473 INFO L226 Difference]: Without dead ends: 6167 [2021-11-19 13:46:13,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 720 GetRequests, 713 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-19 13:46:13,478 INFO L933 BasicCegarLoop]: 6748 mSDtfsCounter, 5266 mSDsluCounter, 17447 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5267 SdHoareTripleChecker+Valid, 24195 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:46:13,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5267 Valid, 24195 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:46:13,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6167 states. [2021-11-19 13:46:14,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6167 to 6147. [2021-11-19 13:46:14,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6147 states, 3139 states have (on average 1.2147180630774133) internal successors, (3813), 3295 states have internal predecessors, (3813), 2764 states have call successors, (2764), 239 states have call predecessors, (2764), 238 states have return successors, (2774), 2691 states have call predecessors, (2774), 2764 states have call successors, (2774) [2021-11-19 13:46:14,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6147 states to 6147 states and 9351 transitions. [2021-11-19 13:46:14,371 INFO L78 Accepts]: Start accepts. Automaton has 6147 states and 9351 transitions. Word has length 360 [2021-11-19 13:46:14,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:46:14,371 INFO L470 AbstractCegarLoop]: Abstraction has 6147 states and 9351 transitions. [2021-11-19 13:46:14,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (61), 4 states have call predecessors, (61), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2021-11-19 13:46:14,371 INFO L276 IsEmpty]: Start isEmpty. Operand 6147 states and 9351 transitions. [2021-11-19 13:46:14,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-11-19 13:46:14,376 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:46:14,376 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 26, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:46:14,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2021-11-19 13:46:14,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:46:14,587 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-19 13:46:14,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:46:14,587 INFO L85 PathProgramCache]: Analyzing trace with hash 534430345, now seen corresponding path program 1 times [2021-11-19 13:46:14,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:46:14,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1173206997] [2021-11-19 13:46:14,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:46:14,591 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:46:14,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:46:14,592 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:46:14,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2021-11-19 13:46:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:46:28,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 4414 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-19 13:46:28,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:46:32,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2074 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2074 trivial. 0 not checked. [2021-11-19 13:46:32,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:46:34,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2074 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2074 trivial. 0 not checked. [2021-11-19 13:46:34,675 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:46:34,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1173206997] [2021-11-19 13:46:34,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1173206997] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:46:34,675 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:46:34,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [] total 7 [2021-11-19 13:46:34,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447061409] [2021-11-19 13:46:34,676 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:46:34,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 13:46:34,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:46:34,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 13:46:34,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:46:34,678 INFO L87 Difference]: Start difference. First operand 6147 states and 9351 transitions. Second operand has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 6 states have internal predecessors, (128), 2 states have call successors, (67), 2 states have call predecessors, (67), 4 states have return successors, (64), 3 states have call predecessors, (64), 2 states have call successors, (64) [2021-11-19 13:46:36,973 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:47:14,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:47:14,582 INFO L93 Difference]: Finished difference Result 12674 states and 19120 transitions. [2021-11-19 13:47:14,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 13:47:14,582 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 6 states have internal predecessors, (128), 2 states have call successors, (67), 2 states have call predecessors, (67), 4 states have return successors, (64), 3 states have call predecessors, (64), 2 states have call successors, (64) Word has length 385 [2021-11-19 13:47:14,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:47:14,631 INFO L225 Difference]: With dead ends: 12674 [2021-11-19 13:47:14,631 INFO L226 Difference]: Without dead ends: 6546 [2021-11-19 13:47:14,660 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 770 GetRequests, 763 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-19 13:47:14,661 INFO L933 BasicCegarLoop]: 5460 mSDtfsCounter, 5046 mSDsluCounter, 16029 mSDsCounter, 0 mSdLazyCounter, 6014 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5049 SdHoareTripleChecker+Valid, 21489 SdHoareTripleChecker+Invalid, 6019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6014 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:47:14,661 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5049 Valid, 21489 Invalid, 6019 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 6014 Invalid, 1 Unknown, 0 Unchecked, 38.2s Time] [2021-11-19 13:47:14,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6546 states. [2021-11-19 13:47:15,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6546 to 6514. [2021-11-19 13:47:15,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6514 states, 3400 states have (on average 1.208235294117647) internal successors, (4108), 3556 states have internal predecessors, (4108), 2808 states have call successors, (2808), 301 states have call predecessors, (2808), 300 states have return successors, (2818), 2735 states have call predecessors, (2818), 2808 states have call successors, (2818) [2021-11-19 13:47:15,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6514 states to 6514 states and 9734 transitions. [2021-11-19 13:47:15,968 INFO L78 Accepts]: Start accepts. Automaton has 6514 states and 9734 transitions. Word has length 385 [2021-11-19 13:47:15,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:47:15,969 INFO L470 AbstractCegarLoop]: Abstraction has 6514 states and 9734 transitions. [2021-11-19 13:47:15,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.285714285714285) internal successors, (128), 6 states have internal predecessors, (128), 2 states have call successors, (67), 2 states have call predecessors, (67), 4 states have return successors, (64), 3 states have call predecessors, (64), 2 states have call successors, (64) [2021-11-19 13:47:15,969 INFO L276 IsEmpty]: Start isEmpty. Operand 6514 states and 9734 transitions. [2021-11-19 13:47:15,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2021-11-19 13:47:15,974 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:47:15,974 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 26, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:47:16,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2021-11-19 13:47:16,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:47:16,199 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-19 13:47:16,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:47:16,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1511365519, now seen corresponding path program 1 times [2021-11-19 13:47:16,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:47:16,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1328207298] [2021-11-19 13:47:16,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:47:16,203 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:47:16,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:47:16,205 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:47:16,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2021-11-19 13:47:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:47:29,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 4405 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-19 13:47:29,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:47:32,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 1813 trivial. 0 not checked. [2021-11-19 13:47:32,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:47:36,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 1861 trivial. 0 not checked. [2021-11-19 13:47:36,271 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:47:36,271 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1328207298] [2021-11-19 13:47:36,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1328207298] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:47:36,271 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:47:36,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13, 10] imperfect sequences [] total 20 [2021-11-19 13:47:36,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825358077] [2021-11-19 13:47:36,271 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:47:36,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-19 13:47:36,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:47:36,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-19 13:47:36,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2021-11-19 13:47:36,273 INFO L87 Difference]: Start difference. First operand 6514 states and 9734 transitions. Second operand has 20 states, 16 states have (on average 7.9375) internal successors, (127), 13 states have internal predecessors, (127), 7 states have call successors, (44), 2 states have call predecessors, (44), 6 states have return successors, (43), 9 states have call predecessors, (43), 7 states have call successors, (43) [2021-11-19 13:47:43,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:47:43,408 INFO L93 Difference]: Finished difference Result 13726 states and 20507 transitions. [2021-11-19 13:47:43,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 13:47:43,409 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 16 states have (on average 7.9375) internal successors, (127), 13 states have internal predecessors, (127), 7 states have call successors, (44), 2 states have call predecessors, (44), 6 states have return successors, (43), 9 states have call predecessors, (43), 7 states have call successors, (43) Word has length 383 [2021-11-19 13:47:43,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:47:43,446 INFO L225 Difference]: With dead ends: 13726 [2021-11-19 13:47:43,446 INFO L226 Difference]: Without dead ends: 7231 [2021-11-19 13:47:43,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 768 GetRequests, 746 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2021-11-19 13:47:43,470 INFO L933 BasicCegarLoop]: 6390 mSDtfsCounter, 670 mSDsluCounter, 81186 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 914 SdHoareTripleChecker+Valid, 87576 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-11-19 13:47:43,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [914 Valid, 87576 Invalid, 781 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-11-19 13:47:43,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7231 states. [2021-11-19 13:47:44,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7231 to 6514. [2021-11-19 13:47:44,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6514 states, 3400 states have (on average 1.2079411764705883) internal successors, (4107), 3556 states have internal predecessors, (4107), 2808 states have call successors, (2808), 301 states have call predecessors, (2808), 300 states have return successors, (2818), 2735 states have call predecessors, (2818), 2808 states have call successors, (2818) [2021-11-19 13:47:44,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6514 states to 6514 states and 9733 transitions. [2021-11-19 13:47:44,858 INFO L78 Accepts]: Start accepts. Automaton has 6514 states and 9733 transitions. Word has length 383 [2021-11-19 13:47:44,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:47:44,858 INFO L470 AbstractCegarLoop]: Abstraction has 6514 states and 9733 transitions. [2021-11-19 13:47:44,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 16 states have (on average 7.9375) internal successors, (127), 13 states have internal predecessors, (127), 7 states have call successors, (44), 2 states have call predecessors, (44), 6 states have return successors, (43), 9 states have call predecessors, (43), 7 states have call successors, (43) [2021-11-19 13:47:44,858 INFO L276 IsEmpty]: Start isEmpty. Operand 6514 states and 9733 transitions. [2021-11-19 13:47:44,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2021-11-19 13:47:44,862 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:47:44,863 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 26, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:47:44,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2021-11-19 13:47:45,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:47:45,064 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-19 13:47:45,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:47:45,064 INFO L85 PathProgramCache]: Analyzing trace with hash -195780727, now seen corresponding path program 1 times [2021-11-19 13:47:45,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:47:45,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [364646908] [2021-11-19 13:47:45,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:47:45,069 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:47:45,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:47:45,070 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:47:45,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2021-11-19 13:47:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:47:58,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 4406 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-19 13:47:58,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:48:00,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 164 proven. 3 refuted. 0 times theorem prover too weak. 1904 trivial. 0 not checked. [2021-11-19 13:48:00,127 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:48:02,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 138 proven. 3 refuted. 0 times theorem prover too weak. 1930 trivial. 0 not checked. [2021-11-19 13:48:02,431 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:48:02,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [364646908] [2021-11-19 13:48:02,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [364646908] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:48:02,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [234629409] [2021-11-19 13:48:02,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:48:02,432 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 13:48:02,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 13:48:02,435 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 13:48:02,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2021-11-19 13:48:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:48:14,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 4406 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-19 13:48:14,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:48:15,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 1979 trivial. 0 not checked. [2021-11-19 13:48:15,451 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:48:16,723 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 1994 trivial. 0 not checked. [2021-11-19 13:48:16,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [234629409] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:48:16,723 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 13:48:16,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [9, 8] total 14 [2021-11-19 13:48:16,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220008452] [2021-11-19 13:48:16,724 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:48:16,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 13:48:16,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:48:16,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 13:48:16,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:48:16,726 INFO L87 Difference]: Start difference. First operand 6514 states and 9733 transitions. Second operand has 10 states, 10 states have (on average 12.2) internal successors, (122), 8 states have internal predecessors, (122), 4 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (43), 6 states have call predecessors, (43), 4 states have call successors, (43) [2021-11-19 13:48:19,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:48:19,191 INFO L93 Difference]: Finished difference Result 13722 states and 20500 transitions. [2021-11-19 13:48:19,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 13:48:19,192 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.2) internal successors, (122), 8 states have internal predecessors, (122), 4 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (43), 6 states have call predecessors, (43), 4 states have call successors, (43) Word has length 384 [2021-11-19 13:48:19,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:48:19,230 INFO L225 Difference]: With dead ends: 13722 [2021-11-19 13:48:19,231 INFO L226 Difference]: Without dead ends: 7227 [2021-11-19 13:48:19,261 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1534 GetRequests, 1518 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2021-11-19 13:48:19,262 INFO L933 BasicCegarLoop]: 6435 mSDtfsCounter, 1322 mSDsluCounter, 44122 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1564 SdHoareTripleChecker+Valid, 50557 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-19 13:48:19,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1564 Valid, 50557 Invalid, 271 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [242 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-19 13:48:19,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7227 states. [2021-11-19 13:48:20,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7227 to 6514. [2021-11-19 13:48:20,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6514 states, 3400 states have (on average 1.2076470588235295) internal successors, (4106), 3556 states have internal predecessors, (4106), 2808 states have call successors, (2808), 301 states have call predecessors, (2808), 300 states have return successors, (2818), 2735 states have call predecessors, (2818), 2808 states have call successors, (2818) [2021-11-19 13:48:20,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6514 states to 6514 states and 9732 transitions. [2021-11-19 13:48:20,340 INFO L78 Accepts]: Start accepts. Automaton has 6514 states and 9732 transitions. Word has length 384 [2021-11-19 13:48:20,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:48:20,341 INFO L470 AbstractCegarLoop]: Abstraction has 6514 states and 9732 transitions. [2021-11-19 13:48:20,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.2) internal successors, (122), 8 states have internal predecessors, (122), 4 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (43), 6 states have call predecessors, (43), 4 states have call successors, (43) [2021-11-19 13:48:20,341 INFO L276 IsEmpty]: Start isEmpty. Operand 6514 states and 9732 transitions. [2021-11-19 13:48:20,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-11-19 13:48:20,346 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:48:20,347 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 26, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:48:20,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2021-11-19 13:48:20,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (40)] Ended with exit code 0 [2021-11-19 13:48:20,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt,40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:48:20,776 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-19 13:48:20,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:48:20,777 INFO L85 PathProgramCache]: Analyzing trace with hash 534489927, now seen corresponding path program 1 times [2021-11-19 13:48:20,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:48:20,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1294943838] [2021-11-19 13:48:20,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:48:20,781 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:48:20,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:48:20,784 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:48:20,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2021-11-19 13:48:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:48:34,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 4414 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-19 13:48:34,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:48:35,552 INFO L134 CoverageAnalysis]: Checked inductivity of 2074 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2074 trivial. 0 not checked. [2021-11-19 13:48:35,552 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:48:36,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2074 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2074 trivial. 0 not checked. [2021-11-19 13:48:36,369 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:48:36,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1294943838] [2021-11-19 13:48:36,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1294943838] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:48:36,370 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:48:36,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 7 [2021-11-19 13:48:36,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082675011] [2021-11-19 13:48:36,370 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:48:36,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 13:48:36,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:48:36,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 13:48:36,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:48:36,372 INFO L87 Difference]: Start difference. First operand 6514 states and 9732 transitions. Second operand has 7 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-19 13:48:37,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:48:37,437 INFO L93 Difference]: Finished difference Result 6546 states and 9768 transitions. [2021-11-19 13:48:37,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 13:48:37,438 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 385 [2021-11-19 13:48:37,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:48:37,466 INFO L225 Difference]: With dead ends: 6546 [2021-11-19 13:48:37,466 INFO L226 Difference]: Without dead ends: 6544 [2021-11-19 13:48:37,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 770 GetRequests, 763 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-19 13:48:37,471 INFO L933 BasicCegarLoop]: 5435 mSDtfsCounter, 51 mSDsluCounter, 27157 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 32592 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:48:37,472 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 32592 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:48:37,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6544 states. [2021-11-19 13:48:38,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6544 to 6542. [2021-11-19 13:48:38,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6542 states, 3424 states have (on average 1.207359813084112) internal successors, (4134), 3580 states have internal predecessors, (4134), 2810 states have call successors, (2810), 303 states have call predecessors, (2810), 302 states have return successors, (2820), 2737 states have call predecessors, (2820), 2810 states have call successors, (2820) [2021-11-19 13:48:38,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6542 states to 6542 states and 9764 transitions. [2021-11-19 13:48:38,553 INFO L78 Accepts]: Start accepts. Automaton has 6542 states and 9764 transitions. Word has length 385 [2021-11-19 13:48:38,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:48:38,554 INFO L470 AbstractCegarLoop]: Abstraction has 6542 states and 9764 transitions. [2021-11-19 13:48:38,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-19 13:48:38,554 INFO L276 IsEmpty]: Start isEmpty. Operand 6542 states and 9764 transitions. [2021-11-19 13:48:38,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2021-11-19 13:48:38,557 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:48:38,557 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 26, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:48:38,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (42)] Ended with exit code 0 [2021-11-19 13:48:38,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:48:38,758 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-19 13:48:38,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:48:38,759 INFO L85 PathProgramCache]: Analyzing trace with hash 880192231, now seen corresponding path program 1 times [2021-11-19 13:48:38,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:48:38,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [790086372] [2021-11-19 13:48:38,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:48:38,764 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:48:38,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:48:38,765 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:48:38,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2021-11-19 13:48:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:48:52,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 4422 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:48:52,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:48:56,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2074 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2074 trivial. 0 not checked. [2021-11-19 13:48:56,387 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:48:58,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2074 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2074 trivial. 0 not checked. [2021-11-19 13:48:58,094 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:48:58,095 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [790086372] [2021-11-19 13:48:58,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [790086372] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:48:58,095 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:48:58,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-19 13:48:58,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757222051] [2021-11-19 13:48:58,096 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:48:58,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:48:58,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:48:58,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:48:58,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:48:58,097 INFO L87 Difference]: Start difference. First operand 6542 states and 9764 transitions. Second operand has 4 states, 4 states have (on average 51.5) internal successors, (206), 4 states have internal predecessors, (206), 3 states have call successors, (70), 3 states have call predecessors, (70), 2 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-19 13:48:59,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:48:59,069 INFO L93 Difference]: Finished difference Result 13051 states and 19526 transitions. [2021-11-19 13:48:59,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:48:59,070 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 51.5) internal successors, (206), 4 states have internal predecessors, (206), 3 states have call successors, (70), 3 states have call predecessors, (70), 2 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 390 [2021-11-19 13:48:59,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:48:59,111 INFO L225 Difference]: With dead ends: 13051 [2021-11-19 13:48:59,111 INFO L226 Difference]: Without dead ends: 6528 [2021-11-19 13:48:59,149 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 778 GetRequests, 776 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:48:59,150 INFO L933 BasicCegarLoop]: 5432 mSDtfsCounter, 5294 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5294 SdHoareTripleChecker+Valid, 5432 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:48:59,151 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5294 Valid, 5432 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:48:59,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6528 states. [2021-11-19 13:49:00,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6528 to 6528. [2021-11-19 13:49:00,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6528 states, 3411 states have (on average 1.2046320727059514) internal successors, (4109), 3566 states have internal predecessors, (4109), 2810 states have call successors, (2810), 303 states have call predecessors, (2810), 302 states have return successors, (2820), 2737 states have call predecessors, (2820), 2810 states have call successors, (2820) [2021-11-19 13:49:00,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6528 states to 6528 states and 9739 transitions. [2021-11-19 13:49:00,356 INFO L78 Accepts]: Start accepts. Automaton has 6528 states and 9739 transitions. Word has length 390 [2021-11-19 13:49:00,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:49:00,357 INFO L470 AbstractCegarLoop]: Abstraction has 6528 states and 9739 transitions. [2021-11-19 13:49:00,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 51.5) internal successors, (206), 4 states have internal predecessors, (206), 3 states have call successors, (70), 3 states have call predecessors, (70), 2 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2021-11-19 13:49:00,357 INFO L276 IsEmpty]: Start isEmpty. Operand 6528 states and 9739 transitions. [2021-11-19 13:49:00,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2021-11-19 13:49:00,362 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:49:00,362 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 26, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:49:00,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (43)] Forceful destruction successful, exit code 0 [2021-11-19 13:49:00,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:49:00,578 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-19 13:49:00,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:49:00,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1982537624, now seen corresponding path program 1 times [2021-11-19 13:49:00,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:49:00,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1557665008] [2021-11-19 13:49:00,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:49:00,584 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:49:00,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:49:00,586 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:49:00,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07a95c67-fadb-495e-9e0f-277e184e50a1/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2021-11-19 13:49:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:49:14,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 4512 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-19 13:49:14,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:49:16,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2101 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2092 trivial. 0 not checked. [2021-11-19 13:49:16,116 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:49:18,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2101 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2095 trivial. 0 not checked. [2021-11-19 13:49:18,875 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:49:18,875 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1557665008] [2021-11-19 13:49:18,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1557665008] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:49:18,875 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:49:18,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 15 [2021-11-19 13:49:18,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207994880] [2021-11-19 13:49:18,876 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:49:18,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-19 13:49:18,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:49:18,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-19 13:49:18,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-11-19 13:49:18,878 INFO L87 Difference]: Start difference. First operand 6528 states and 9739 transitions. Second operand has 15 states, 15 states have (on average 8.666666666666666) internal successors, (130), 11 states have internal predecessors, (130), 2 states have call successors, (41), 2 states have call predecessors, (41), 6 states have return successors, (40), 6 states have call predecessors, (40), 2 states have call successors, (40)