./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/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_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/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_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/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 ebfa7940163335da607aa8ab46e2b4dcf0d50ad01772adcf05712684027181a0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 15:42:49,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 15:42:49,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 15:42:49,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 15:42:49,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 15:42:49,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 15:42:49,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 15:42:49,845 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 15:42:49,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 15:42:49,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 15:42:49,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 15:42:49,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 15:42:49,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 15:42:49,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 15:42:49,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 15:42:49,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 15:42:49,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 15:42:49,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 15:42:49,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 15:42:49,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 15:42:49,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 15:42:49,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 15:42:49,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 15:42:49,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 15:42:49,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 15:42:49,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 15:42:49,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 15:42:49,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 15:42:49,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 15:42:49,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 15:42:49,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 15:42:49,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 15:42:49,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 15:42:49,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 15:42:49,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 15:42:49,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 15:42:49,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 15:42:49,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 15:42:49,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 15:42:49,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 15:42:49,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 15:42:49,908 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 15:42:49,952 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 15:42:49,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 15:42:49,957 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 15:42:49,957 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 15:42:49,957 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 15:42:49,957 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 15:42:49,958 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 15:42:49,958 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 15:42:49,961 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 15:42:49,962 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 15:42:49,963 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 15:42:49,963 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 15:42:49,963 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 15:42:49,963 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 15:42:49,964 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 15:42:49,964 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 15:42:49,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 15:42:49,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 15:42:49,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 15:42:49,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 15:42:49,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 15:42:49,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 15:42:49,966 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 15:42:49,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 15:42:49,966 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 15:42:49,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 15:42:49,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 15:42:49,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 15:42:49,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:42:49,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 15:42:49,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 15:42:49,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 15:42:49,968 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 15:42:49,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 15:42:49,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 15:42:49,969 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 15:42:49,969 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 15:42:49,970 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_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebfa7940163335da607aa8ab46e2b4dcf0d50ad01772adcf05712684027181a0 [2021-11-19 15:42:50,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 15:42:50,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 15:42:50,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 15:42:50,309 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 15:42:50,310 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 15:42:50,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i [2021-11-19 15:42:50,392 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/data/cca6719fb/00c82a8e123840e481b85ed2d41b385a/FLAG1faea93f0 [2021-11-19 15:42:51,436 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 15:42:51,437 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i [2021-11-19 15:42:51,504 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/data/cca6719fb/00c82a8e123840e481b85ed2d41b385a/FLAG1faea93f0 [2021-11-19 15:42:51,803 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/data/cca6719fb/00c82a8e123840e481b85ed2d41b385a [2021-11-19 15:42:51,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 15:42:51,808 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 15:42:51,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 15:42:51,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 15:42:51,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 15:42:51,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:42:51" (1/1) ... [2021-11-19 15:42:51,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46bb280a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:51, skipping insertion in model container [2021-11-19 15:42:51,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:42:51" (1/1) ... [2021-11-19 15:42:51,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 15:42:52,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:42:54,297 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 15:42:54,299 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 15:42:56,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[424579,424592] [2021-11-19 15:42:56,509 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[424724,424737] [2021-11-19 15:42:56,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[424870,424883] [2021-11-19 15:42:56,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425035,425048] [2021-11-19 15:42:56,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425193,425206] [2021-11-19 15:42:56,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425351,425364] [2021-11-19 15:42:56,512 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425509,425522] [2021-11-19 15:42:56,512 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425669,425682] [2021-11-19 15:42:56,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425828,425841] [2021-11-19 15:42:56,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425967,425980] [2021-11-19 15:42:56,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426109,426122] [2021-11-19 15:42:56,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426258,426271] [2021-11-19 15:42:56,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426397,426410] [2021-11-19 15:42:56,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426552,426565] [2021-11-19 15:42:56,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426712,426725] [2021-11-19 15:42:56,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426863,426876] [2021-11-19 15:42:56,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427014,427027] [2021-11-19 15:42:56,518 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427166,427179] [2021-11-19 15:42:56,518 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427315,427328] [2021-11-19 15:42:56,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427463,427476] [2021-11-19 15:42:56,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427620,427633] [2021-11-19 15:42:56,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427769,427782] [2021-11-19 15:42:56,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427925,427938] [2021-11-19 15:42:56,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428078,428091] [2021-11-19 15:42:56,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428224,428237] [2021-11-19 15:42:56,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428367,428380] [2021-11-19 15:42:56,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428519,428532] [2021-11-19 15:42:56,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428665,428678] [2021-11-19 15:42:56,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428810,428823] [2021-11-19 15:42:56,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428964,428977] [2021-11-19 15:42:56,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429115,429128] [2021-11-19 15:42:56,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429270,429283] [2021-11-19 15:42:56,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429422,429435] [2021-11-19 15:42:56,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429577,429590] [2021-11-19 15:42:56,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429741,429754] [2021-11-19 15:42:56,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429897,429910] [2021-11-19 15:42:56,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430061,430074] [2021-11-19 15:42:56,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430203,430216] [2021-11-19 15:42:56,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430361,430374] [2021-11-19 15:42:56,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430528,430541] [2021-11-19 15:42:56,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430687,430700] [2021-11-19 15:42:56,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430846,430859] [2021-11-19 15:42:56,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430995,431008] [2021-11-19 15:42:56,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431142,431155] [2021-11-19 15:42:56,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431281,431294] [2021-11-19 15:42:56,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431444,431457] [2021-11-19 15:42:56,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431610,431623] [2021-11-19 15:42:56,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431774,431787] [2021-11-19 15:42:56,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431939,431952] [2021-11-19 15:42:56,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432104,432117] [2021-11-19 15:42:56,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432270,432283] [2021-11-19 15:42:56,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432435,432448] [2021-11-19 15:42:56,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432602,432615] [2021-11-19 15:42:56,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432762,432775] [2021-11-19 15:42:56,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432924,432937] [2021-11-19 15:42:56,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433083,433096] [2021-11-19 15:42:56,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433229,433242] [2021-11-19 15:42:56,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433372,433385] [2021-11-19 15:42:56,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433516,433529] [2021-11-19 15:42:56,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433659,433672] [2021-11-19 15:42:56,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433803,433816] [2021-11-19 15:42:56,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433944,433957] [2021-11-19 15:42:56,540 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434082,434095] [2021-11-19 15:42:56,540 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434240,434253] [2021-11-19 15:42:56,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434399,434412] [2021-11-19 15:42:56,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434555,434568] [2021-11-19 15:42:56,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434704,434717] [2021-11-19 15:42:56,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434856,434869] [2021-11-19 15:42:56,543 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435007,435020] [2021-11-19 15:42:56,543 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435156,435169] [2021-11-19 15:42:56,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435308,435321] [2021-11-19 15:42:56,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435456,435469] [2021-11-19 15:42:56,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435609,435622] [2021-11-19 15:42:56,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435760,435773] [2021-11-19 15:42:56,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435910,435923] [2021-11-19 15:42:56,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436057,436070] [2021-11-19 15:42:56,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436208,436221] [2021-11-19 15:42:56,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436359,436372] [2021-11-19 15:42:56,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436507,436520] [2021-11-19 15:42:56,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436673,436686] [2021-11-19 15:42:56,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436842,436855] [2021-11-19 15:42:56,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437009,437022] [2021-11-19 15:42:56,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437177,437190] [2021-11-19 15:42:56,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437327,437340] [2021-11-19 15:42:56,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437474,437487] [2021-11-19 15:42:56,551 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437635,437648] [2021-11-19 15:42:56,551 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437805,437818] [2021-11-19 15:42:56,552 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437967,437980] [2021-11-19 15:42:56,570 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:42:56,621 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 15:42:56,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@175192d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:56, skipping insertion in model container [2021-11-19 15:42:56,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 15:42:56,623 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 15:42:56,625 INFO L158 Benchmark]: Toolchain (without parser) took 4816.00ms. Allocated memory was 153.1MB in the beginning and 224.4MB in the end (delta: 71.3MB). Free memory was 102.0MB in the beginning and 124.3MB in the end (delta: -22.3MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2021-11-19 15:42:56,625 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 100.7MB. Free memory was 54.5MB in the beginning and 54.4MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 15:42:56,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4813.37ms. Allocated memory was 153.1MB in the beginning and 224.4MB in the end (delta: 71.3MB). Free memory was 102.0MB in the beginning and 124.3MB in the end (delta: -22.3MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2021-11-19 15:42:56,628 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 100.7MB. Free memory was 54.5MB in the beginning and 54.4MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4813.37ms. Allocated memory was 153.1MB in the beginning and 224.4MB in the end (delta: 71.3MB). Free memory was 102.0MB in the beginning and 124.3MB in the end (delta: -22.3MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7333]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/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_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/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_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/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 ebfa7940163335da607aa8ab46e2b4dcf0d50ad01772adcf05712684027181a0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 15:42:58,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 15:42:58,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 15:42:58,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 15:42:58,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 15:42:58,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 15:42:58,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 15:42:58,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 15:42:58,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 15:42:58,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 15:42:58,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 15:42:58,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 15:42:58,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 15:42:58,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 15:42:58,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 15:42:58,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 15:42:58,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 15:42:58,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 15:42:58,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 15:42:58,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 15:42:58,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 15:42:58,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 15:42:58,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 15:42:58,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 15:42:59,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 15:42:59,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 15:42:59,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 15:42:59,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 15:42:59,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 15:42:59,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 15:42:59,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 15:42:59,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 15:42:59,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 15:42:59,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 15:42:59,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 15:42:59,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 15:42:59,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 15:42:59,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 15:42:59,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 15:42:59,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 15:42:59,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 15:42:59,016 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 15:42:59,042 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 15:42:59,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 15:42:59,044 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 15:42:59,044 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 15:42:59,044 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 15:42:59,045 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 15:42:59,045 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 15:42:59,045 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 15:42:59,045 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 15:42:59,046 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 15:42:59,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 15:42:59,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 15:42:59,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 15:42:59,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 15:42:59,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 15:42:59,048 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 15:42:59,048 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 15:42:59,048 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 15:42:59,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 15:42:59,049 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 15:42:59,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 15:42:59,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 15:42:59,049 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 15:42:59,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 15:42:59,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:42:59,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 15:42:59,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 15:42:59,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 15:42:59,051 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 15:42:59,051 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 15:42:59,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 15:42:59,052 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 15:42:59,052 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 15:42:59,052 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_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebfa7940163335da607aa8ab46e2b4dcf0d50ad01772adcf05712684027181a0 [2021-11-19 15:42:59,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 15:42:59,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 15:42:59,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 15:42:59,422 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 15:42:59,422 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 15:42:59,424 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i [2021-11-19 15:42:59,491 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/data/6a9e940a4/f2bcc8d7e50a4385adf101b2fa3ad174/FLAG631e8c7ac [2021-11-19 15:43:00,602 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 15:43:00,604 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i [2021-11-19 15:43:00,696 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/data/6a9e940a4/f2bcc8d7e50a4385adf101b2fa3ad174/FLAG631e8c7ac [2021-11-19 15:43:00,856 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/data/6a9e940a4/f2bcc8d7e50a4385adf101b2fa3ad174 [2021-11-19 15:43:00,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 15:43:00,864 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 15:43:00,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 15:43:00,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 15:43:00,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 15:43:00,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:43:00" (1/1) ... [2021-11-19 15:43:00,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eed2f84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:00, skipping insertion in model container [2021-11-19 15:43:00,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:43:00" (1/1) ... [2021-11-19 15:43:00,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 15:43:01,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:43:05,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[424579,424592] [2021-11-19 15:43:05,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[424724,424737] [2021-11-19 15:43:05,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[424870,424883] [2021-11-19 15:43:05,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425035,425048] [2021-11-19 15:43:05,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425193,425206] [2021-11-19 15:43:05,733 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425351,425364] [2021-11-19 15:43:05,733 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425509,425522] [2021-11-19 15:43:05,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425669,425682] [2021-11-19 15:43:05,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425828,425841] [2021-11-19 15:43:05,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425967,425980] [2021-11-19 15:43:05,736 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426109,426122] [2021-11-19 15:43:05,736 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426258,426271] [2021-11-19 15:43:05,737 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426397,426410] [2021-11-19 15:43:05,737 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426552,426565] [2021-11-19 15:43:05,738 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426712,426725] [2021-11-19 15:43:05,738 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426863,426876] [2021-11-19 15:43:05,739 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427014,427027] [2021-11-19 15:43:05,739 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427166,427179] [2021-11-19 15:43:05,740 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427315,427328] [2021-11-19 15:43:05,740 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427463,427476] [2021-11-19 15:43:05,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427620,427633] [2021-11-19 15:43:05,742 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427769,427782] [2021-11-19 15:43:05,742 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427925,427938] [2021-11-19 15:43:05,743 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428078,428091] [2021-11-19 15:43:05,743 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428224,428237] [2021-11-19 15:43:05,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428367,428380] [2021-11-19 15:43:05,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428519,428532] [2021-11-19 15:43:05,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428665,428678] [2021-11-19 15:43:05,746 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428810,428823] [2021-11-19 15:43:05,746 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428964,428977] [2021-11-19 15:43:05,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429115,429128] [2021-11-19 15:43:05,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429270,429283] [2021-11-19 15:43:05,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429422,429435] [2021-11-19 15:43:05,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429577,429590] [2021-11-19 15:43:05,749 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429741,429754] [2021-11-19 15:43:05,749 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429897,429910] [2021-11-19 15:43:05,750 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430061,430074] [2021-11-19 15:43:05,750 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430203,430216] [2021-11-19 15:43:05,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430361,430374] [2021-11-19 15:43:05,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430528,430541] [2021-11-19 15:43:05,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430687,430700] [2021-11-19 15:43:05,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430846,430859] [2021-11-19 15:43:05,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430995,431008] [2021-11-19 15:43:05,754 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431142,431155] [2021-11-19 15:43:05,754 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431281,431294] [2021-11-19 15:43:05,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431444,431457] [2021-11-19 15:43:05,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431610,431623] [2021-11-19 15:43:05,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431774,431787] [2021-11-19 15:43:05,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431939,431952] [2021-11-19 15:43:05,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432104,432117] [2021-11-19 15:43:05,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432270,432283] [2021-11-19 15:43:05,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432435,432448] [2021-11-19 15:43:05,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432602,432615] [2021-11-19 15:43:05,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432762,432775] [2021-11-19 15:43:05,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432924,432937] [2021-11-19 15:43:05,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433083,433096] [2021-11-19 15:43:05,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433229,433242] [2021-11-19 15:43:05,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433372,433385] [2021-11-19 15:43:05,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433516,433529] [2021-11-19 15:43:05,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433659,433672] [2021-11-19 15:43:05,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433803,433816] [2021-11-19 15:43:05,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433944,433957] [2021-11-19 15:43:05,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434082,434095] [2021-11-19 15:43:05,765 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434240,434253] [2021-11-19 15:43:05,765 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434399,434412] [2021-11-19 15:43:05,766 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434555,434568] [2021-11-19 15:43:05,766 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434704,434717] [2021-11-19 15:43:05,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434856,434869] [2021-11-19 15:43:05,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435007,435020] [2021-11-19 15:43:05,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435156,435169] [2021-11-19 15:43:05,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435308,435321] [2021-11-19 15:43:05,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435456,435469] [2021-11-19 15:43:05,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435609,435622] [2021-11-19 15:43:05,770 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435760,435773] [2021-11-19 15:43:05,770 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435910,435923] [2021-11-19 15:43:05,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436057,436070] [2021-11-19 15:43:05,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436208,436221] [2021-11-19 15:43:05,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436359,436372] [2021-11-19 15:43:05,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436507,436520] [2021-11-19 15:43:05,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436673,436686] [2021-11-19 15:43:05,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436842,436855] [2021-11-19 15:43:05,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437009,437022] [2021-11-19 15:43:05,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437177,437190] [2021-11-19 15:43:05,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437327,437340] [2021-11-19 15:43:05,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437474,437487] [2021-11-19 15:43:05,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437635,437648] [2021-11-19 15:43:05,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437805,437818] [2021-11-19 15:43:05,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437967,437980] [2021-11-19 15:43:05,795 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:43:05,853 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 15:43:05,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:43:06,396 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[424579,424592] [2021-11-19 15:43:06,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[424724,424737] [2021-11-19 15:43:06,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[424870,424883] [2021-11-19 15:43:06,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425035,425048] [2021-11-19 15:43:06,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425193,425206] [2021-11-19 15:43:06,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425351,425364] [2021-11-19 15:43:06,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425509,425522] [2021-11-19 15:43:06,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425669,425682] [2021-11-19 15:43:06,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425828,425841] [2021-11-19 15:43:06,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425967,425980] [2021-11-19 15:43:06,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426109,426122] [2021-11-19 15:43:06,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426258,426271] [2021-11-19 15:43:06,403 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426397,426410] [2021-11-19 15:43:06,403 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426552,426565] [2021-11-19 15:43:06,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426712,426725] [2021-11-19 15:43:06,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426863,426876] [2021-11-19 15:43:06,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427014,427027] [2021-11-19 15:43:06,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427166,427179] [2021-11-19 15:43:06,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427315,427328] [2021-11-19 15:43:06,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427463,427476] [2021-11-19 15:43:06,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427620,427633] [2021-11-19 15:43:06,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427769,427782] [2021-11-19 15:43:06,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427925,427938] [2021-11-19 15:43:06,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428078,428091] [2021-11-19 15:43:06,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428224,428237] [2021-11-19 15:43:06,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428367,428380] [2021-11-19 15:43:06,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428519,428532] [2021-11-19 15:43:06,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428665,428678] [2021-11-19 15:43:06,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428810,428823] [2021-11-19 15:43:06,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428964,428977] [2021-11-19 15:43:06,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429115,429128] [2021-11-19 15:43:06,412 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429270,429283] [2021-11-19 15:43:06,413 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429422,429435] [2021-11-19 15:43:06,413 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429577,429590] [2021-11-19 15:43:06,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429741,429754] [2021-11-19 15:43:06,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429897,429910] [2021-11-19 15:43:06,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430061,430074] [2021-11-19 15:43:06,416 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430203,430216] [2021-11-19 15:43:06,416 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430361,430374] [2021-11-19 15:43:06,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430528,430541] [2021-11-19 15:43:06,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430687,430700] [2021-11-19 15:43:06,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430846,430859] [2021-11-19 15:43:06,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430995,431008] [2021-11-19 15:43:06,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431142,431155] [2021-11-19 15:43:06,420 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431281,431294] [2021-11-19 15:43:06,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431444,431457] [2021-11-19 15:43:06,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431610,431623] [2021-11-19 15:43:06,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431774,431787] [2021-11-19 15:43:06,422 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431939,431952] [2021-11-19 15:43:06,422 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432104,432117] [2021-11-19 15:43:06,423 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432270,432283] [2021-11-19 15:43:06,423 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432435,432448] [2021-11-19 15:43:06,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432602,432615] [2021-11-19 15:43:06,428 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432762,432775] [2021-11-19 15:43:06,430 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432924,432937] [2021-11-19 15:43:06,431 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433083,433096] [2021-11-19 15:43:06,432 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433229,433242] [2021-11-19 15:43:06,432 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433372,433385] [2021-11-19 15:43:06,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433516,433529] [2021-11-19 15:43:06,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433659,433672] [2021-11-19 15:43:06,438 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433803,433816] [2021-11-19 15:43:06,439 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433944,433957] [2021-11-19 15:43:06,439 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434082,434095] [2021-11-19 15:43:06,440 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434240,434253] [2021-11-19 15:43:06,440 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434399,434412] [2021-11-19 15:43:06,442 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434555,434568] [2021-11-19 15:43:06,442 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434704,434717] [2021-11-19 15:43:06,442 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434856,434869] [2021-11-19 15:43:06,443 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435007,435020] [2021-11-19 15:43:06,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435156,435169] [2021-11-19 15:43:06,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435308,435321] [2021-11-19 15:43:06,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435456,435469] [2021-11-19 15:43:06,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435609,435622] [2021-11-19 15:43:06,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435760,435773] [2021-11-19 15:43:06,456 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435910,435923] [2021-11-19 15:43:06,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436057,436070] [2021-11-19 15:43:06,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436208,436221] [2021-11-19 15:43:06,459 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436359,436372] [2021-11-19 15:43:06,459 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436507,436520] [2021-11-19 15:43:06,460 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436673,436686] [2021-11-19 15:43:06,461 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436842,436855] [2021-11-19 15:43:06,461 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437009,437022] [2021-11-19 15:43:06,462 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437177,437190] [2021-11-19 15:43:06,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437327,437340] [2021-11-19 15:43:06,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437474,437487] [2021-11-19 15:43:06,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437635,437648] [2021-11-19 15:43:06,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437805,437818] [2021-11-19 15:43:06,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437967,437980] [2021-11-19 15:43:06,470 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:43:06,521 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 15:43:07,010 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[424579,424592] [2021-11-19 15:43:07,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[424724,424737] [2021-11-19 15:43:07,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[424870,424883] [2021-11-19 15:43:07,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425035,425048] [2021-11-19 15:43:07,012 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425193,425206] [2021-11-19 15:43:07,012 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425351,425364] [2021-11-19 15:43:07,012 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425509,425522] [2021-11-19 15:43:07,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425669,425682] [2021-11-19 15:43:07,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425828,425841] [2021-11-19 15:43:07,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[425967,425980] [2021-11-19 15:43:07,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426109,426122] [2021-11-19 15:43:07,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426258,426271] [2021-11-19 15:43:07,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426397,426410] [2021-11-19 15:43:07,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426552,426565] [2021-11-19 15:43:07,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426712,426725] [2021-11-19 15:43:07,016 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[426863,426876] [2021-11-19 15:43:07,016 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427014,427027] [2021-11-19 15:43:07,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427166,427179] [2021-11-19 15:43:07,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427315,427328] [2021-11-19 15:43:07,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427463,427476] [2021-11-19 15:43:07,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427620,427633] [2021-11-19 15:43:07,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427769,427782] [2021-11-19 15:43:07,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[427925,427938] [2021-11-19 15:43:07,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428078,428091] [2021-11-19 15:43:07,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428224,428237] [2021-11-19 15:43:07,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428367,428380] [2021-11-19 15:43:07,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428519,428532] [2021-11-19 15:43:07,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428665,428678] [2021-11-19 15:43:07,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428810,428823] [2021-11-19 15:43:07,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[428964,428977] [2021-11-19 15:43:07,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429115,429128] [2021-11-19 15:43:07,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429270,429283] [2021-11-19 15:43:07,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429422,429435] [2021-11-19 15:43:07,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429577,429590] [2021-11-19 15:43:07,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429741,429754] [2021-11-19 15:43:07,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[429897,429910] [2021-11-19 15:43:07,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430061,430074] [2021-11-19 15:43:07,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430203,430216] [2021-11-19 15:43:07,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430361,430374] [2021-11-19 15:43:07,025 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430528,430541] [2021-11-19 15:43:07,025 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430687,430700] [2021-11-19 15:43:07,026 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430846,430859] [2021-11-19 15:43:07,026 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[430995,431008] [2021-11-19 15:43:07,026 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431142,431155] [2021-11-19 15:43:07,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431281,431294] [2021-11-19 15:43:07,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431444,431457] [2021-11-19 15:43:07,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431610,431623] [2021-11-19 15:43:07,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431774,431787] [2021-11-19 15:43:07,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[431939,431952] [2021-11-19 15:43:07,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432104,432117] [2021-11-19 15:43:07,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432270,432283] [2021-11-19 15:43:07,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432435,432448] [2021-11-19 15:43:07,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432602,432615] [2021-11-19 15:43:07,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432762,432775] [2021-11-19 15:43:07,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[432924,432937] [2021-11-19 15:43:07,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433083,433096] [2021-11-19 15:43:07,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433229,433242] [2021-11-19 15:43:07,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433372,433385] [2021-11-19 15:43:07,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433516,433529] [2021-11-19 15:43:07,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433659,433672] [2021-11-19 15:43:07,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433803,433816] [2021-11-19 15:43:07,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[433944,433957] [2021-11-19 15:43:07,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434082,434095] [2021-11-19 15:43:07,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434240,434253] [2021-11-19 15:43:07,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434399,434412] [2021-11-19 15:43:07,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434555,434568] [2021-11-19 15:43:07,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434704,434717] [2021-11-19 15:43:07,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[434856,434869] [2021-11-19 15:43:07,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435007,435020] [2021-11-19 15:43:07,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435156,435169] [2021-11-19 15:43:07,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435308,435321] [2021-11-19 15:43:07,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435456,435469] [2021-11-19 15:43:07,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435609,435622] [2021-11-19 15:43:07,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435760,435773] [2021-11-19 15:43:07,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[435910,435923] [2021-11-19 15:43:07,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436057,436070] [2021-11-19 15:43:07,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436208,436221] [2021-11-19 15:43:07,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436359,436372] [2021-11-19 15:43:07,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436507,436520] [2021-11-19 15:43:07,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436673,436686] [2021-11-19 15:43:07,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[436842,436855] [2021-11-19 15:43:07,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437009,437022] [2021-11-19 15:43:07,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437177,437190] [2021-11-19 15:43:07,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437327,437340] [2021-11-19 15:43:07,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437474,437487] [2021-11-19 15:43:07,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437635,437648] [2021-11-19 15:43:07,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437805,437818] [2021-11-19 15:43:07,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i[437967,437980] [2021-11-19 15:43:07,047 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:43:07,396 INFO L208 MainTranslator]: Completed translation [2021-11-19 15:43:07,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:07 WrapperNode [2021-11-19 15:43:07,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 15:43:07,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 15:43:07,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 15:43:07,398 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 15:43:07,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:07" (1/1) ... [2021-11-19 15:43:07,558 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:07" (1/1) ... [2021-11-19 15:43:07,796 INFO L137 Inliner]: procedures = 630, calls = 2758, calls flagged for inlining = 280, calls inlined = 165, statements flattened = 4501 [2021-11-19 15:43:07,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 15:43:07,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 15:43:07,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 15:43:07,798 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 15:43:07,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:07" (1/1) ... [2021-11-19 15:43:07,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:07" (1/1) ... [2021-11-19 15:43:07,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:07" (1/1) ... [2021-11-19 15:43:07,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:07" (1/1) ... [2021-11-19 15:43:07,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:07" (1/1) ... [2021-11-19 15:43:08,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:07" (1/1) ... [2021-11-19 15:43:08,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:07" (1/1) ... [2021-11-19 15:43:08,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 15:43:08,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 15:43:08,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 15:43:08,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 15:43:08,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:07" (1/1) ... [2021-11-19 15:43:08,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:43:08,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 15:43:08,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 15:43:08,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 15:43:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-19 15:43:08,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-19 15:43:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2021-11-19 15:43:08,176 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2021-11-19 15:43:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_detach [2021-11-19 15:43:08,177 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_detach [2021-11-19 15:43:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-19 15:43:08,177 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-19 15:43:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure mhz_3288_power [2021-11-19 15:43:08,177 INFO L138 BoogieDeclarations]: Found implementation of procedure mhz_3288_power [2021-11-19 15:43:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 15:43:08,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 15:43:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_io [2021-11-19 15:43:08,178 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_io [2021-11-19 15:43:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-19 15:43:08,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-19 15:43:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 15:43:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 15:43:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-19 15:43:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-19 15:43:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_smc_private [2021-11-19 15:43:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_smc_private [2021-11-19 15:43:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-19 15:43:08,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-19 15:43:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 15:43:08,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 15:43:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 15:43:08,180 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 15:43:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_resume [2021-11-19 15:43:08,180 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_resume [2021-11-19 15:43:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 15:43:08,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 15:43:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-19 15:43:08,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-19 15:43:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 15:43:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_suspend [2021-11-19 15:43:08,182 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_suspend [2021-11-19 15:43:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 15:43:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 15:43:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 15:43:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 15:43:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-19 15:43:08,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-19 15:43:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 15:43:08,183 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 15:43:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-19 15:43:08,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-19 15:43:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 15:43:08,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 15:43:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-19 15:43:08,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-19 15:43:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-19 15:43:08,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-19 15:43:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-11-19 15:43:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-11-19 15:43:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-19 15:43:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-19 15:43:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 15:43:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 15:43:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 15:43:08,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 15:43:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure cvt_ascii_address [2021-11-19 15:43:08,186 INFO L138 BoogieDeclarations]: Found implementation of procedure cvt_ascii_address [2021-11-19 15:43:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-19 15:43:08,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-19 15:43:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-19 15:43:08,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-19 15:43:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 15:43:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2021-11-19 15:43:08,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2021-11-19 15:43:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 15:43:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 15:43:08,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 15:43:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 15:43:08,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 15:43:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 15:43:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure smc_tx_timeout [2021-11-19 15:43:08,188 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_tx_timeout [2021-11-19 15:43:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-19 15:43:08,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-19 15:43:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-19 15:43:08,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-19 15:43:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure smc_reset [2021-11-19 15:43:08,189 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_reset [2021-11-19 15:43:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-19 15:43:08,190 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-19 15:43:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-11-19 15:43:08,190 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-11-19 15:43:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 15:43:08,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 15:43:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 15:43:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 15:43:08,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 15:43:08,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 15:43:08,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 15:43:08,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 15:43:08,191 INFO L130 BoogieDeclarations]: Found specification of procedure smc_hardware_send_packet [2021-11-19 15:43:08,191 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_hardware_send_packet [2021-11-19 15:43:08,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 15:43:08,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 15:43:08,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 15:43:08,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 15:43:08,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_130 [2021-11-19 15:43:08,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_130 [2021-11-19 15:43:08,192 INFO L130 BoogieDeclarations]: Found specification of procedure osi_load_firmware [2021-11-19 15:43:08,193 INFO L138 BoogieDeclarations]: Found implementation of procedure osi_load_firmware [2021-11-19 15:43:08,193 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 15:43:08,194 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 15:43:08,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-19 15:43:08,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-19 15:43:08,194 INFO L130 BoogieDeclarations]: Found specification of procedure smc_set_xcvr [2021-11-19 15:43:08,194 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_set_xcvr [2021-11-19 15:43:08,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-19 15:43:08,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-19 15:43:08,195 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-19 15:43:08,195 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-19 15:43:08,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 15:43:08,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-19 15:43:08,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-19 15:43:08,196 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-19 15:43:08,196 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-19 15:43:08,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 15:43:08,197 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-19 15:43:08,197 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-19 15:43:08,197 INFO L130 BoogieDeclarations]: Found specification of procedure mot_config [2021-11-19 15:43:08,197 INFO L138 BoogieDeclarations]: Found implementation of procedure mot_config [2021-11-19 15:43:08,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 15:43:08,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 15:43:08,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 15:43:08,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 15:43:08,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 15:43:08,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-19 15:43:08,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-19 15:43:08,198 INFO L130 BoogieDeclarations]: Found specification of procedure check_sig [2021-11-19 15:43:08,199 INFO L138 BoogieDeclarations]: Found implementation of procedure check_sig [2021-11-19 15:43:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-11-19 15:43:08,199 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-11-19 15:43:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 15:43:08,199 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 15:43:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-19 15:43:08,199 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-19 15:43:08,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 15:43:08,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 15:43:08,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_smc_private [2021-11-19 15:43:08,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_smc_private [2021-11-19 15:43:08,200 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-19 15:43:08,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-19 15:43:08,200 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-11-19 15:43:08,201 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-11-19 15:43:08,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-19 15:43:08,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-19 15:43:08,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-19 15:43:08,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-19 15:43:08,201 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 15:43:08,201 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 15:43:08,202 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-19 15:43:08,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-19 15:43:08,202 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-19 15:43:08,202 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-19 15:43:08,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-19 15:43:08,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-19 15:43:08,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-19 15:43:08,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-19 15:43:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2021-11-19 15:43:08,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2021-11-19 15:43:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_tuple [2021-11-19 15:43:08,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_tuple [2021-11-19 15:43:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_release [2021-11-19 15:43:08,203 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_release [2021-11-19 15:43:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 15:43:08,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 15:43:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-19 15:43:08,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-19 15:43:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2021-11-19 15:43:08,204 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2021-11-19 15:43:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 15:43:08,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 15:43:08,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-19 15:43:08,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-19 15:43:08,205 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-19 15:43:08,205 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-19 15:43:08,205 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2021-11-19 15:43:08,205 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2021-11-19 15:43:08,206 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-19 15:43:08,206 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-19 15:43:08,206 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-11-19 15:43:08,206 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-11-19 15:43:09,039 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 15:43:09,043 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 15:43:10,482 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 15:43:36,786 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 15:43:36,813 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 15:43:36,814 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 15:43:36,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:36 BoogieIcfgContainer [2021-11-19 15:43:36,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 15:43:36,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 15:43:36,824 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 15:43:36,827 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 15:43:36,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:43:00" (1/3) ... [2021-11-19 15:43:36,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a948e0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:43:36, skipping insertion in model container [2021-11-19 15:43:36,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:07" (2/3) ... [2021-11-19 15:43:36,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a948e0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:43:36, skipping insertion in model container [2021-11-19 15:43:36,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:36" (3/3) ... [2021-11-19 15:43:36,831 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--smsc--smc91c92_cs.ko.cil.i [2021-11-19 15:43:36,837 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 15:43:36,837 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2021-11-19 15:43:36,914 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 15:43:36,921 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 15:43:36,922 INFO L340 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2021-11-19 15:43:36,987 INFO L276 IsEmpty]: Start isEmpty. Operand has 1377 states, 892 states have (on average 1.2724215246636772) internal successors, (1135), 937 states have internal predecessors, (1135), 378 states have call successors, (378), 83 states have call predecessors, (378), 82 states have return successors, (374), 371 states have call predecessors, (374), 374 states have call successors, (374) [2021-11-19 15:43:36,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-19 15:43:36,997 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:43:36,998 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 15:43:36,999 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-19 15:43:37,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:43:37,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1675089600, now seen corresponding path program 1 times [2021-11-19 15:43:37,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:43:37,024 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1716994592] [2021-11-19 15:43:37,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:43:37,025 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:43:37,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:43:37,029 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:43:37,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 15:43:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:43:38,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 2176 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:43:38,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:43:40,044 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 15:43:40,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:43:40,790 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 15:43:40,791 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:43:40,792 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1716994592] [2021-11-19 15:43:40,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1716994592] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:43:40,792 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:43:40,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 15:43:40,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764808262] [2021-11-19 15:43:40,795 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:43:40,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:43:40,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:43:40,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:43:40,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:43:40,840 INFO L87 Difference]: Start difference. First operand has 1377 states, 892 states have (on average 1.2724215246636772) internal successors, (1135), 937 states have internal predecessors, (1135), 378 states have call successors, (378), 83 states have call predecessors, (378), 82 states have return successors, (374), 371 states have call predecessors, (374), 374 states have call successors, (374) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-19 15:43:41,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:43:41,495 INFO L93 Difference]: Finished difference Result 4077 states and 5737 transitions. [2021-11-19 15:43:41,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 15:43:41,499 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 15:43:41,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:43:41,549 INFO L225 Difference]: With dead ends: 4077 [2021-11-19 15:43:41,549 INFO L226 Difference]: Without dead ends: 2701 [2021-11-19 15:43:41,565 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 15:43:41,569 INFO L933 BasicCegarLoop]: 2262 mSDtfsCounter, 1810 mSDsluCounter, 4092 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1812 SdHoareTripleChecker+Valid, 6354 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 15:43:41,570 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1812 Valid, 6354 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 15:43:41,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2701 states. [2021-11-19 15:43:41,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2701 to 2520. [2021-11-19 15:43:41,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2520 states, 1649 states have (on average 1.2468162522741055) internal successors, (2056), 1711 states have internal predecessors, (2056), 703 states have call successors, (703), 145 states have call predecessors, (703), 144 states have return successors, (704), 692 states have call predecessors, (704), 701 states have call successors, (704) [2021-11-19 15:43:41,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2520 states to 2520 states and 3463 transitions. [2021-11-19 15:43:41,862 INFO L78 Accepts]: Start accepts. Automaton has 2520 states and 3463 transitions. Word has length 64 [2021-11-19 15:43:41,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:43:41,863 INFO L470 AbstractCegarLoop]: Abstraction has 2520 states and 3463 transitions. [2021-11-19 15:43:41,863 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 15:43:41,863 INFO L276 IsEmpty]: Start isEmpty. Operand 2520 states and 3463 transitions. [2021-11-19 15:43:41,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-19 15:43:41,867 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:43:41,868 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 15:43:41,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 15:43:42,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:43:42,094 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-19 15:43:42,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:43:42,095 INFO L85 PathProgramCache]: Analyzing trace with hash 947572292, now seen corresponding path program 1 times [2021-11-19 15:43:42,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:43:42,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [736797496] [2021-11-19 15:43:42,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:43:42,101 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:43:42,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:43:42,104 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:43:42,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 15:43:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:43:43,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 2185 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:43:43,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:43:44,970 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 15:43:44,970 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:43:45,676 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 15:43:45,677 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:43:45,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [736797496] [2021-11-19 15:43:45,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [736797496] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:43:45,677 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:43:45,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 15:43:45,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541744209] [2021-11-19 15:43:45,678 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:43:45,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:43:45,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:43:45,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:43:45,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:43:45,681 INFO L87 Difference]: Start difference. First operand 2520 states and 3463 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-19 15:43:45,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:43:45,939 INFO L93 Difference]: Finished difference Result 2520 states and 3463 transitions. [2021-11-19 15:43:45,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:43:45,940 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 15:43:45,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:43:45,963 INFO L225 Difference]: With dead ends: 2520 [2021-11-19 15:43:45,964 INFO L226 Difference]: Without dead ends: 2518 [2021-11-19 15:43:45,966 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 15:43:45,967 INFO L933 BasicCegarLoop]: 1840 mSDtfsCounter, 1790 mSDsluCounter, 1838 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1792 SdHoareTripleChecker+Valid, 3678 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 15:43:45,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1792 Valid, 3678 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 15:43:45,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2518 states. [2021-11-19 15:43:46,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2518 to 2518. [2021-11-19 15:43:46,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2518 states, 1648 states have (on average 1.2463592233009708) internal successors, (2054), 1709 states have internal predecessors, (2054), 703 states have call successors, (703), 145 states have call predecessors, (703), 144 states have return successors, (704), 692 states have call predecessors, (704), 701 states have call successors, (704) [2021-11-19 15:43:46,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2518 states to 2518 states and 3461 transitions. [2021-11-19 15:43:46,190 INFO L78 Accepts]: Start accepts. Automaton has 2518 states and 3461 transitions. Word has length 70 [2021-11-19 15:43:46,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:43:46,193 INFO L470 AbstractCegarLoop]: Abstraction has 2518 states and 3461 transitions. [2021-11-19 15:43:46,194 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 15:43:46,194 INFO L276 IsEmpty]: Start isEmpty. Operand 2518 states and 3461 transitions. [2021-11-19 15:43:46,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-19 15:43:46,202 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:43:46,202 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 15:43:46,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 15:43:46,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:43:46,421 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-19 15:43:46,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:43:46,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1909989131, now seen corresponding path program 1 times [2021-11-19 15:43:46,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:43:46,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [578714676] [2021-11-19 15:43:46,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:43:46,429 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:43:46,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:43:46,430 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:43:46,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 15:43:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:43:47,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 2194 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:43:47,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:43:49,519 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 15:43:49,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:43:50,394 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 15:43:50,394 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:43:50,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [578714676] [2021-11-19 15:43:50,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [578714676] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:43:50,394 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:43:50,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 15:43:50,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584142391] [2021-11-19 15:43:50,395 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:43:50,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:43:50,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:43:50,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:43:50,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:43:50,396 INFO L87 Difference]: Start difference. First operand 2518 states and 3461 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-19 15:43:50,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:43:50,661 INFO L93 Difference]: Finished difference Result 2518 states and 3461 transitions. [2021-11-19 15:43:50,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:43:50,662 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 15:43:50,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:43:50,684 INFO L225 Difference]: With dead ends: 2518 [2021-11-19 15:43:50,685 INFO L226 Difference]: Without dead ends: 2516 [2021-11-19 15:43:50,687 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 15:43:50,690 INFO L933 BasicCegarLoop]: 1838 mSDtfsCounter, 1779 mSDsluCounter, 3672 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1781 SdHoareTripleChecker+Valid, 5510 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 15:43:50,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1781 Valid, 5510 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 15:43:50,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2516 states. [2021-11-19 15:43:50,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2516 to 2516. [2021-11-19 15:43:50,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2516 states, 1647 states have (on average 1.2459016393442623) internal successors, (2052), 1707 states have internal predecessors, (2052), 703 states have call successors, (703), 145 states have call predecessors, (703), 144 states have return successors, (704), 692 states have call predecessors, (704), 701 states have call successors, (704) [2021-11-19 15:43:50,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 2516 states and 3459 transitions. [2021-11-19 15:43:50,934 INFO L78 Accepts]: Start accepts. Automaton has 2516 states and 3459 transitions. Word has length 76 [2021-11-19 15:43:50,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:43:50,934 INFO L470 AbstractCegarLoop]: Abstraction has 2516 states and 3459 transitions. [2021-11-19 15:43:50,935 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 15:43:50,935 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 3459 transitions. [2021-11-19 15:43:50,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-19 15:43:50,938 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:43:50,938 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 15:43:50,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 15:43:51,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:43:51,166 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-19 15:43:51,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:43:51,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1644696623, now seen corresponding path program 1 times [2021-11-19 15:43:51,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:43:51,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [24572328] [2021-11-19 15:43:51,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:43:51,174 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:43:51,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:43:51,175 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:43:51,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 15:43:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:43:52,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 2203 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:43:52,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:43:53,994 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 15:43:53,994 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:43:54,805 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 15:43:54,805 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:43:54,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [24572328] [2021-11-19 15:43:54,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [24572328] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:43:54,806 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:43:54,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 15:43:54,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893303828] [2021-11-19 15:43:54,806 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:43:54,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:43:54,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:43:54,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:43:54,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:43:54,808 INFO L87 Difference]: Start difference. First operand 2516 states and 3459 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-19 15:43:55,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:43:55,061 INFO L93 Difference]: Finished difference Result 2516 states and 3459 transitions. [2021-11-19 15:43:55,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:43:55,062 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 15:43:55,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:43:55,086 INFO L225 Difference]: With dead ends: 2516 [2021-11-19 15:43:55,086 INFO L226 Difference]: Without dead ends: 2514 [2021-11-19 15:43:55,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 15:43:55,090 INFO L933 BasicCegarLoop]: 1836 mSDtfsCounter, 1771 mSDsluCounter, 3668 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1773 SdHoareTripleChecker+Valid, 5504 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 15:43:55,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1773 Valid, 5504 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 15:43:55,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2514 states. [2021-11-19 15:43:55,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2514 to 2514. [2021-11-19 15:43:55,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2514 states, 1646 states have (on average 1.2454434993924666) internal successors, (2050), 1705 states have internal predecessors, (2050), 703 states have call successors, (703), 145 states have call predecessors, (703), 144 states have return successors, (704), 692 states have call predecessors, (704), 701 states have call successors, (704) [2021-11-19 15:43:55,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2514 states to 2514 states and 3457 transitions. [2021-11-19 15:43:55,270 INFO L78 Accepts]: Start accepts. Automaton has 2514 states and 3457 transitions. Word has length 82 [2021-11-19 15:43:55,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:43:55,271 INFO L470 AbstractCegarLoop]: Abstraction has 2514 states and 3457 transitions. [2021-11-19 15:43:55,271 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 15:43:55,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2514 states and 3457 transitions. [2021-11-19 15:43:55,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-19 15:43:55,273 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:43:55,273 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 15:43:55,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 15:43:55,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:43:55,494 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-19 15:43:55,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:43:55,495 INFO L85 PathProgramCache]: Analyzing trace with hash 441224881, now seen corresponding path program 1 times [2021-11-19 15:43:55,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:43:55,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1085909989] [2021-11-19 15:43:55,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:43:55,498 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:43:55,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:43:55,499 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:43:55,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 15:43:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:43:57,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 2212 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:43:57,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:43:58,535 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 15:43:58,536 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:43:59,291 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 15:43:59,291 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:43:59,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1085909989] [2021-11-19 15:43:59,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1085909989] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:43:59,292 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:43:59,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 15:43:59,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123231910] [2021-11-19 15:43:59,292 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:43:59,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:43:59,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:43:59,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:43:59,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:43:59,293 INFO L87 Difference]: Start difference. First operand 2514 states and 3457 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-19 15:43:59,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:43:59,497 INFO L93 Difference]: Finished difference Result 2514 states and 3457 transitions. [2021-11-19 15:43:59,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:43:59,497 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 15:43:59,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:43:59,516 INFO L225 Difference]: With dead ends: 2514 [2021-11-19 15:43:59,516 INFO L226 Difference]: Without dead ends: 2512 [2021-11-19 15:43:59,518 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 15:43:59,519 INFO L933 BasicCegarLoop]: 1834 mSDtfsCounter, 1766 mSDsluCounter, 1832 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1768 SdHoareTripleChecker+Valid, 3666 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 15:43:59,519 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1768 Valid, 3666 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 15:43:59,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2512 states. [2021-11-19 15:43:59,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2512 to 2512. [2021-11-19 15:43:59,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2512 states, 1645 states have (on average 1.244984802431611) internal successors, (2048), 1703 states have internal predecessors, (2048), 703 states have call successors, (703), 145 states have call predecessors, (703), 144 states have return successors, (704), 692 states have call predecessors, (704), 701 states have call successors, (704) [2021-11-19 15:43:59,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 2512 states and 3455 transitions. [2021-11-19 15:43:59,704 INFO L78 Accepts]: Start accepts. Automaton has 2512 states and 3455 transitions. Word has length 88 [2021-11-19 15:43:59,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:43:59,706 INFO L470 AbstractCegarLoop]: Abstraction has 2512 states and 3455 transitions. [2021-11-19 15:43:59,706 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 15:43:59,707 INFO L276 IsEmpty]: Start isEmpty. Operand 2512 states and 3455 transitions. [2021-11-19 15:43:59,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-19 15:43:59,714 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:43:59,715 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 15:43:59,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 15:43:59,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:43:59,942 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-19 15:43:59,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:43:59,943 INFO L85 PathProgramCache]: Analyzing trace with hash 361325165, now seen corresponding path program 1 times [2021-11-19 15:43:59,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:43:59,946 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1968624364] [2021-11-19 15:43:59,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:43:59,946 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:43:59,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:43:59,948 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:43:59,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 15:44:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:44:01,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 2221 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:44:01,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:44:02,912 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 15:44:02,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:44:03,736 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 15:44:03,736 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:44:03,736 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1968624364] [2021-11-19 15:44:03,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1968624364] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:44:03,736 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:44:03,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 15:44:03,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775044370] [2021-11-19 15:44:03,737 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:44:03,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:44:03,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:44:03,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:44:03,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:44:03,739 INFO L87 Difference]: Start difference. First operand 2512 states and 3455 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-19 15:44:04,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:44:04,021 INFO L93 Difference]: Finished difference Result 2512 states and 3455 transitions. [2021-11-19 15:44:04,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:44:04,021 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 15:44:04,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:44:04,040 INFO L225 Difference]: With dead ends: 2512 [2021-11-19 15:44:04,040 INFO L226 Difference]: Without dead ends: 2510 [2021-11-19 15:44:04,042 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 15:44:04,043 INFO L933 BasicCegarLoop]: 1832 mSDtfsCounter, 1755 mSDsluCounter, 3660 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1757 SdHoareTripleChecker+Valid, 5492 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 15:44:04,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1757 Valid, 5492 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 15:44:04,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2510 states. [2021-11-19 15:44:04,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2510 to 2510. [2021-11-19 15:44:04,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2510 states, 1644 states have (on average 1.2445255474452555) internal successors, (2046), 1701 states have internal predecessors, (2046), 703 states have call successors, (703), 145 states have call predecessors, (703), 144 states have return successors, (704), 692 states have call predecessors, (704), 701 states have call successors, (704) [2021-11-19 15:44:04,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2510 states to 2510 states and 3453 transitions. [2021-11-19 15:44:04,227 INFO L78 Accepts]: Start accepts. Automaton has 2510 states and 3453 transitions. Word has length 94 [2021-11-19 15:44:04,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:44:04,228 INFO L470 AbstractCegarLoop]: Abstraction has 2510 states and 3453 transitions. [2021-11-19 15:44:04,228 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 15:44:04,228 INFO L276 IsEmpty]: Start isEmpty. Operand 2510 states and 3453 transitions. [2021-11-19 15:44:04,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-19 15:44:04,230 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:44:04,231 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 15:44:04,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 15:44:04,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:44:04,454 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-19 15:44:04,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:44:04,455 INFO L85 PathProgramCache]: Analyzing trace with hash 2112623569, now seen corresponding path program 1 times [2021-11-19 15:44:04,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:44:04,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1835921342] [2021-11-19 15:44:04,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:44:04,458 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:44:04,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:44:04,459 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:44:04,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 15:44:05,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:44:05,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 2230 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:44:05,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:44:07,422 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 15:44:07,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:44:08,170 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 15:44:08,170 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:44:08,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1835921342] [2021-11-19 15:44:08,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1835921342] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:44:08,171 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:44:08,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 15:44:08,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069438302] [2021-11-19 15:44:08,171 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:44:08,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:44:08,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:44:08,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:44:08,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:44:08,174 INFO L87 Difference]: Start difference. First operand 2510 states and 3453 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-19 15:44:08,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:44:08,425 INFO L93 Difference]: Finished difference Result 2510 states and 3453 transitions. [2021-11-19 15:44:08,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:44:08,426 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 15:44:08,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:44:08,447 INFO L225 Difference]: With dead ends: 2510 [2021-11-19 15:44:08,447 INFO L226 Difference]: Without dead ends: 2508 [2021-11-19 15:44:08,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 15:44:08,451 INFO L933 BasicCegarLoop]: 1830 mSDtfsCounter, 1747 mSDsluCounter, 3656 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1749 SdHoareTripleChecker+Valid, 5486 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 15:44:08,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1749 Valid, 5486 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 15:44:08,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2508 states. [2021-11-19 15:44:08,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2508 to 2508. [2021-11-19 15:44:08,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2508 states, 1643 states have (on average 1.2440657334144858) internal successors, (2044), 1699 states have internal predecessors, (2044), 703 states have call successors, (703), 145 states have call predecessors, (703), 144 states have return successors, (704), 692 states have call predecessors, (704), 701 states have call successors, (704) [2021-11-19 15:44:08,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2508 states to 2508 states and 3451 transitions. [2021-11-19 15:44:08,739 INFO L78 Accepts]: Start accepts. Automaton has 2508 states and 3451 transitions. Word has length 100 [2021-11-19 15:44:08,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:44:08,739 INFO L470 AbstractCegarLoop]: Abstraction has 2508 states and 3451 transitions. [2021-11-19 15:44:08,740 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 15:44:08,740 INFO L276 IsEmpty]: Start isEmpty. Operand 2508 states and 3451 transitions. [2021-11-19 15:44:08,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-19 15:44:08,744 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:44:08,744 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 15:44:08,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-19 15:44:08,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:44:08,965 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-19 15:44:08,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:44:08,966 INFO L85 PathProgramCache]: Analyzing trace with hash 37317669, now seen corresponding path program 1 times [2021-11-19 15:44:08,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:44:08,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1180716873] [2021-11-19 15:44:08,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:44:08,968 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:44:08,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:44:08,969 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:44:09,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-19 15:44:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:44:10,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 2239 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:44:10,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:44:11,989 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 15:44:11,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:44:12,772 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 15:44:12,772 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:44:12,772 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1180716873] [2021-11-19 15:44:12,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1180716873] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:44:12,773 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:44:12,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 15:44:12,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98279627] [2021-11-19 15:44:12,773 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:44:12,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:44:12,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:44:12,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:44:12,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:44:12,775 INFO L87 Difference]: Start difference. First operand 2508 states and 3451 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-19 15:44:13,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:44:13,020 INFO L93 Difference]: Finished difference Result 2508 states and 3451 transitions. [2021-11-19 15:44:13,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:44:13,021 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 15:44:13,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:44:13,041 INFO L225 Difference]: With dead ends: 2508 [2021-11-19 15:44:13,041 INFO L226 Difference]: Without dead ends: 2506 [2021-11-19 15:44:13,043 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 15:44:13,044 INFO L933 BasicCegarLoop]: 1828 mSDtfsCounter, 1750 mSDsluCounter, 1822 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1752 SdHoareTripleChecker+Valid, 3650 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 15:44:13,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1752 Valid, 3650 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 15:44:13,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2021-11-19 15:44:13,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 2506. [2021-11-19 15:44:13,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2506 states, 1642 states have (on average 1.243605359317905) internal successors, (2042), 1697 states have internal predecessors, (2042), 703 states have call successors, (703), 145 states have call predecessors, (703), 144 states have return successors, (704), 692 states have call predecessors, (704), 701 states have call successors, (704) [2021-11-19 15:44:13,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 2506 states and 3449 transitions. [2021-11-19 15:44:13,323 INFO L78 Accepts]: Start accepts. Automaton has 2506 states and 3449 transitions. Word has length 106 [2021-11-19 15:44:13,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:44:13,324 INFO L470 AbstractCegarLoop]: Abstraction has 2506 states and 3449 transitions. [2021-11-19 15:44:13,324 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 15:44:13,324 INFO L276 IsEmpty]: Start isEmpty. Operand 2506 states and 3449 transitions. [2021-11-19 15:44:13,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-19 15:44:13,327 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:44:13,327 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 15:44:13,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-19 15:44:13,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:44:13,542 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-19 15:44:13,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:44:13,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1502678216, now seen corresponding path program 1 times [2021-11-19 15:44:13,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:44:13,545 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [511741502] [2021-11-19 15:44:13,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:44:13,545 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:44:13,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:44:13,546 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:44:13,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-19 15:44:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:44:14,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 2242 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:44:14,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:44:16,556 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 15:44:16,556 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:44:17,380 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 15:44:17,380 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:44:17,380 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [511741502] [2021-11-19 15:44:17,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [511741502] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:44:17,381 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:44:17,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 15:44:17,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844738372] [2021-11-19 15:44:17,381 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:44:17,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:44:17,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:44:17,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:44:17,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:44:17,383 INFO L87 Difference]: Start difference. First operand 2506 states and 3449 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-19 15:44:17,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:44:17,659 INFO L93 Difference]: Finished difference Result 2506 states and 3449 transitions. [2021-11-19 15:44:17,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:44:17,660 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 15:44:17,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:44:17,680 INFO L225 Difference]: With dead ends: 2506 [2021-11-19 15:44:17,680 INFO L226 Difference]: Without dead ends: 2504 [2021-11-19 15:44:17,682 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 15:44:17,684 INFO L933 BasicCegarLoop]: 1826 mSDtfsCounter, 1735 mSDsluCounter, 3648 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1737 SdHoareTripleChecker+Valid, 5474 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 15:44:17,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1737 Valid, 5474 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 15:44:17,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2504 states. [2021-11-19 15:44:17,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2504 to 2504. [2021-11-19 15:44:17,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2504 states, 1641 states have (on average 1.243144424131627) internal successors, (2040), 1695 states have internal predecessors, (2040), 703 states have call successors, (703), 145 states have call predecessors, (703), 144 states have return successors, (704), 692 states have call predecessors, (704), 701 states have call successors, (704) [2021-11-19 15:44:17,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2504 states to 2504 states and 3447 transitions. [2021-11-19 15:44:17,950 INFO L78 Accepts]: Start accepts. Automaton has 2504 states and 3447 transitions. Word has length 108 [2021-11-19 15:44:17,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:44:17,950 INFO L470 AbstractCegarLoop]: Abstraction has 2504 states and 3447 transitions. [2021-11-19 15:44:17,950 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 15:44:17,951 INFO L276 IsEmpty]: Start isEmpty. Operand 2504 states and 3447 transitions. [2021-11-19 15:44:17,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-19 15:44:17,954 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:44:17,954 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 15:44:17,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-19 15:44:18,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:44:18,174 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-19 15:44:18,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:44:18,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1506791585, now seen corresponding path program 1 times [2021-11-19 15:44:18,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:44:18,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [350444902] [2021-11-19 15:44:18,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:44:18,177 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:44:18,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:44:18,177 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:44:18,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-19 15:44:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:44:19,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 2251 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:44:19,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:44:21,351 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 15:44:21,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:44:22,185 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 15:44:22,185 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:44:22,185 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [350444902] [2021-11-19 15:44:22,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [350444902] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:44:22,185 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:44:22,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 15:44:22,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739399530] [2021-11-19 15:44:22,186 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:44:22,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:44:22,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:44:22,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:44:22,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:44:22,188 INFO L87 Difference]: Start difference. First operand 2504 states and 3447 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-19 15:44:22,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:44:22,471 INFO L93 Difference]: Finished difference Result 2504 states and 3447 transitions. [2021-11-19 15:44:22,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:44:22,472 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 15:44:22,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:44:22,505 INFO L225 Difference]: With dead ends: 2504 [2021-11-19 15:44:22,505 INFO L226 Difference]: Without dead ends: 2502 [2021-11-19 15:44:22,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 15:44:22,509 INFO L933 BasicCegarLoop]: 1824 mSDtfsCounter, 1730 mSDsluCounter, 1822 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1732 SdHoareTripleChecker+Valid, 3646 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 15:44:22,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1732 Valid, 3646 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 15:44:22,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2502 states. [2021-11-19 15:44:22,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2502 to 2502. [2021-11-19 15:44:22,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2502 states, 1640 states have (on average 1.2426829268292683) internal successors, (2038), 1693 states have internal predecessors, (2038), 703 states have call successors, (703), 145 states have call predecessors, (703), 144 states have return successors, (704), 692 states have call predecessors, (704), 701 states have call successors, (704) [2021-11-19 15:44:22,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2502 states to 2502 states and 3445 transitions. [2021-11-19 15:44:22,802 INFO L78 Accepts]: Start accepts. Automaton has 2502 states and 3445 transitions. Word has length 114 [2021-11-19 15:44:22,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:44:22,802 INFO L470 AbstractCegarLoop]: Abstraction has 2502 states and 3445 transitions. [2021-11-19 15:44:22,803 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 15:44:22,803 INFO L276 IsEmpty]: Start isEmpty. Operand 2502 states and 3445 transitions. [2021-11-19 15:44:22,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-19 15:44:22,805 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:44:22,806 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 15:44:22,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-19 15:44:23,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:44:23,030 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-19 15:44:23,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:44:23,030 INFO L85 PathProgramCache]: Analyzing trace with hash 888863862, now seen corresponding path program 1 times [2021-11-19 15:44:23,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:44:23,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2038465982] [2021-11-19 15:44:23,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:44:23,033 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:44:23,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:44:23,035 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:44:23,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-19 15:44:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:44:24,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 2260 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:44:24,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:44:26,367 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 15:44:26,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:44:27,198 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 15:44:27,198 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:44:27,198 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2038465982] [2021-11-19 15:44:27,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2038465982] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:44:27,198 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:44:27,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 15:44:27,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433050922] [2021-11-19 15:44:27,199 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:44:27,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:44:27,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:44:27,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:44:27,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:44:27,201 INFO L87 Difference]: Start difference. First operand 2502 states and 3445 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-19 15:44:27,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:44:27,472 INFO L93 Difference]: Finished difference Result 2502 states and 3445 transitions. [2021-11-19 15:44:27,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:44:27,473 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 15:44:27,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:44:27,489 INFO L225 Difference]: With dead ends: 2502 [2021-11-19 15:44:27,489 INFO L226 Difference]: Without dead ends: 2500 [2021-11-19 15:44:27,491 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 15:44:27,492 INFO L933 BasicCegarLoop]: 1822 mSDtfsCounter, 1722 mSDsluCounter, 1820 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1724 SdHoareTripleChecker+Valid, 3642 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 15:44:27,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1724 Valid, 3642 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 15:44:27,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2500 states. [2021-11-19 15:44:27,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2500 to 2500. [2021-11-19 15:44:27,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2500 states, 1639 states have (on average 1.2422208663819403) internal successors, (2036), 1691 states have internal predecessors, (2036), 703 states have call successors, (703), 145 states have call predecessors, (703), 144 states have return successors, (704), 692 states have call predecessors, (704), 701 states have call successors, (704) [2021-11-19 15:44:27,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2500 states to 2500 states and 3443 transitions. [2021-11-19 15:44:27,781 INFO L78 Accepts]: Start accepts. Automaton has 2500 states and 3443 transitions. Word has length 120 [2021-11-19 15:44:27,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:44:27,784 INFO L470 AbstractCegarLoop]: Abstraction has 2500 states and 3443 transitions. [2021-11-19 15:44:27,784 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 15:44:27,784 INFO L276 IsEmpty]: Start isEmpty. Operand 2500 states and 3443 transitions. [2021-11-19 15:44:27,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-19 15:44:27,787 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:44:27,787 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 15:44:27,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-19 15:44:28,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:44:28,002 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-19 15:44:28,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:44:28,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1940713855, now seen corresponding path program 1 times [2021-11-19 15:44:28,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:44:28,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1009365803] [2021-11-19 15:44:28,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:44:28,006 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:44:28,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:44:28,008 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:44:28,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-19 15:44:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:44:29,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 2269 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:44:29,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:44:31,446 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 15:44:31,446 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:44:32,331 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 15:44:32,331 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:44:32,332 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1009365803] [2021-11-19 15:44:32,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1009365803] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:44:32,332 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:44:32,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 15:44:32,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791346353] [2021-11-19 15:44:32,333 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:44:32,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:44:32,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:44:32,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:44:32,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:44:32,334 INFO L87 Difference]: Start difference. First operand 2500 states and 3443 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-19 15:44:32,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:44:32,657 INFO L93 Difference]: Finished difference Result 2500 states and 3443 transitions. [2021-11-19 15:44:32,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:44:32,658 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 15:44:32,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:44:32,682 INFO L225 Difference]: With dead ends: 2500 [2021-11-19 15:44:32,682 INFO L226 Difference]: Without dead ends: 2498 [2021-11-19 15:44:32,684 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 15:44:32,688 INFO L933 BasicCegarLoop]: 1820 mSDtfsCounter, 1711 mSDsluCounter, 3636 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1713 SdHoareTripleChecker+Valid, 5456 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 15:44:32,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1713 Valid, 5456 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 15:44:32,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2021-11-19 15:44:32,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 2498. [2021-11-19 15:44:32,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2498 states, 1638 states have (on average 1.2417582417582418) internal successors, (2034), 1689 states have internal predecessors, (2034), 703 states have call successors, (703), 145 states have call predecessors, (703), 144 states have return successors, (704), 692 states have call predecessors, (704), 701 states have call successors, (704) [2021-11-19 15:44:32,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2498 states and 3441 transitions. [2021-11-19 15:44:32,946 INFO L78 Accepts]: Start accepts. Automaton has 2498 states and 3441 transitions. Word has length 126 [2021-11-19 15:44:32,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:44:32,947 INFO L470 AbstractCegarLoop]: Abstraction has 2498 states and 3441 transitions. [2021-11-19 15:44:32,947 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 15:44:32,947 INFO L276 IsEmpty]: Start isEmpty. Operand 2498 states and 3441 transitions. [2021-11-19 15:44:32,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-19 15:44:32,950 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:44:32,950 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 15:44:32,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-19 15:44:33,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:44:33,166 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-19 15:44:33,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:44:33,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1663220888, now seen corresponding path program 1 times [2021-11-19 15:44:33,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:44:33,169 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1451922724] [2021-11-19 15:44:33,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:44:33,169 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:44:33,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:44:33,170 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:44:33,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-19 15:44:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:44:34,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 2278 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:44:34,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:44:36,782 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 15:44:36,783 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:44:37,667 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 15:44:37,667 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:44:37,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1451922724] [2021-11-19 15:44:37,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1451922724] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:44:37,667 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:44:37,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 15:44:37,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792011056] [2021-11-19 15:44:37,668 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:44:37,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:44:37,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:44:37,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:44:37,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:44:37,669 INFO L87 Difference]: Start difference. First operand 2498 states and 3441 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-19 15:44:38,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:44:38,018 INFO L93 Difference]: Finished difference Result 2498 states and 3441 transitions. [2021-11-19 15:44:38,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:44:38,019 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 15:44:38,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:44:38,031 INFO L225 Difference]: With dead ends: 2498 [2021-11-19 15:44:38,032 INFO L226 Difference]: Without dead ends: 2496 [2021-11-19 15:44:38,033 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 15:44:38,034 INFO L933 BasicCegarLoop]: 1818 mSDtfsCounter, 1706 mSDsluCounter, 1816 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1708 SdHoareTripleChecker+Valid, 3634 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 15:44:38,035 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1708 Valid, 3634 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 15:44:38,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2021-11-19 15:44:38,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2496. [2021-11-19 15:44:38,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2496 states, 1637 states have (on average 1.2412950519242516) internal successors, (2032), 1687 states have internal predecessors, (2032), 703 states have call successors, (703), 145 states have call predecessors, (703), 144 states have return successors, (704), 692 states have call predecessors, (704), 701 states have call successors, (704) [2021-11-19 15:44:38,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 3439 transitions. [2021-11-19 15:44:38,289 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 3439 transitions. Word has length 132 [2021-11-19 15:44:38,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:44:38,290 INFO L470 AbstractCegarLoop]: Abstraction has 2496 states and 3439 transitions. [2021-11-19 15:44:38,290 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 15:44:38,290 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 3439 transitions. [2021-11-19 15:44:38,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-19 15:44:38,293 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:44:38,294 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:44:38,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-19 15:44:38,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:44:38,518 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting smc91c92_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-19 15:44:38,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:44:38,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1648375531, now seen corresponding path program 1 times [2021-11-19 15:44:38,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:44:38,521 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1656831230] [2021-11-19 15:44:38,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:44:38,521 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:44:38,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:44:38,523 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:44:38,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-19 15:44:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:44:40,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 2571 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-19 15:44:40,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:44:42,029 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 58 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-19 15:44:42,029 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:44:44,293 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-19 15:44:44,293 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:44:44,293 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1656831230] [2021-11-19 15:44:44,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1656831230] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 15:44:44,293 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1921223042] [2021-11-19 15:44:44,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:44:44,294 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 15:44:44,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 15:44:44,295 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 15:44:44,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2021-11-19 15:44:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:44:45,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 2571 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 15:44:45,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:44:46,827 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-11-19 15:44:46,827 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:44:47,244 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-11-19 15:44:47,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1921223042] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:44:47,244 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 15:44:47,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [8, 8] total 12 [2021-11-19 15:44:47,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424697067] [2021-11-19 15:44:47,245 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:44:47,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:44:47,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:44:47,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:44:47,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-11-19 15:44:47,246 INFO L87 Difference]: Start difference. First operand 2496 states and 3439 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-19 15:44:49,297 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:44:51,364 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:44:55,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:44:55,229 INFO L93 Difference]: Finished difference Result 7819 states and 11186 transitions. [2021-11-19 15:44:55,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 15:44:55,230 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 142 [2021-11-19 15:44:55,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:44:55,258 INFO L225 Difference]: With dead ends: 7819 [2021-11-19 15:44:55,258 INFO L226 Difference]: Without dead ends: 5342 [2021-11-19 15:44:55,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 568 GetRequests, 556 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-19 15:44:55,273 INFO L933 BasicCegarLoop]: 2982 mSDtfsCounter, 2291 mSDsluCounter, 6916 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 933 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2484 SdHoareTripleChecker+Valid, 9898 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 933 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-11-19 15:44:55,274 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2484 Valid, 9898 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [933 Valid, 52 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2021-11-19 15:44:55,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5342 states. [2021-11-19 15:44:55,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5342 to 2516. [2021-11-19 15:44:55,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2516 states, 1655 states have (on average 1.2410876132930513) internal successors, (2054), 1705 states have internal predecessors, (2054), 705 states have call successors, (705), 145 states have call predecessors, (705), 144 states have return successors, (706), 694 states have call predecessors, (706), 703 states have call successors, (706) [2021-11-19 15:44:55,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 2516 states and 3465 transitions. [2021-11-19 15:44:55,750 INFO L78 Accepts]: Start accepts. Automaton has 2516 states and 3465 transitions. Word has length 142 [2021-11-19 15:44:55,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:44:55,750 INFO L470 AbstractCegarLoop]: Abstraction has 2516 states and 3465 transitions. [2021-11-19 15:44:55,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-19 15:44:55,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 3465 transitions. [2021-11-19 15:44:55,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-19 15:44:55,754 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:44:55,754 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:44:55,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2021-11-19 15:44:56,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-19 15:44:56,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:44:56,177 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting smc91c92_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-19 15:44:56,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:44:56,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1820568966, now seen corresponding path program 1 times [2021-11-19 15:44:56,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:44:56,181 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [801554605] [2021-11-19 15:44:56,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:44:56,181 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:44:56,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:44:56,183 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:44:56,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-19 15:44:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:44:58,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 2581 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-19 15:44:58,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:44:59,705 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 58 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-19 15:44:59,705 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:45:01,670 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-19 15:45:01,670 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:45:01,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [801554605] [2021-11-19 15:45:01,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [801554605] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 15:45:01,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1932453629] [2021-11-19 15:45:01,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:45:01,671 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 15:45:01,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 15:45:01,672 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 15:45:01,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2021-11-19 15:45:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:45:03,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 2581 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-19 15:45:03,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:45:04,506 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2021-11-19 15:45:04,506 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:45:05,651 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-11-19 15:45:05,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1932453629] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:45:05,651 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 15:45:05,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [8, 8] total 15 [2021-11-19 15:45:05,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465397089] [2021-11-19 15:45:05,652 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:45:05,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 15:45:05,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:45:05,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 15:45:05,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2021-11-19 15:45:05,653 INFO L87 Difference]: Start difference. First operand 2516 states and 3465 transitions. Second operand has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-19 15:45:09,347 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:45:11,367 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:45:13,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:45:13,898 INFO L93 Difference]: Finished difference Result 5445 states and 7564 transitions. [2021-11-19 15:45:13,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 15:45:13,899 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 144 [2021-11-19 15:45:13,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:45:13,909 INFO L225 Difference]: With dead ends: 5445 [2021-11-19 15:45:13,910 INFO L226 Difference]: Without dead ends: 2948 [2021-11-19 15:45:13,921 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 576 GetRequests, 561 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-11-19 15:45:13,922 INFO L933 BasicCegarLoop]: 2051 mSDtfsCounter, 415 mSDsluCounter, 7779 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 326 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 9830 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 326 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2021-11-19 15:45:13,923 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [480 Valid, 9830 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [326 Valid, 88 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2021-11-19 15:45:13,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2948 states. [2021-11-19 15:45:14,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2948 to 2522. [2021-11-19 15:45:14,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2522 states, 1661 states have (on average 1.2402167369054786) internal successors, (2060), 1711 states have internal predecessors, (2060), 705 states have call successors, (705), 145 states have call predecessors, (705), 144 states have return successors, (706), 694 states have call predecessors, (706), 703 states have call successors, (706) [2021-11-19 15:45:14,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 2522 states and 3471 transitions. [2021-11-19 15:45:14,270 INFO L78 Accepts]: Start accepts. Automaton has 2522 states and 3471 transitions. Word has length 144 [2021-11-19 15:45:14,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:45:14,271 INFO L470 AbstractCegarLoop]: Abstraction has 2522 states and 3471 transitions. [2021-11-19 15:45:14,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-19 15:45:14,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2522 states and 3471 transitions. [2021-11-19 15:45:14,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-19 15:45:14,274 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:45:14,274 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 15:45:14,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (17)] Ended with exit code 0 [2021-11-19 15:45:14,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2021-11-19 15:45:14,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 15:45:14,693 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-19 15:45:14,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:45:14,694 INFO L85 PathProgramCache]: Analyzing trace with hash -950824863, now seen corresponding path program 1 times [2021-11-19 15:45:14,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:45:14,696 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [913698299] [2021-11-19 15:45:14,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:45:14,696 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:45:14,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:45:14,698 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:45:14,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-19 15:45:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:45:16,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 2287 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:45:16,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:45:18,395 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 15:45:18,395 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:45:19,477 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 15:45:19,477 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:45:19,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [913698299] [2021-11-19 15:45:19,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [913698299] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:45:19,477 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:45:19,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 15:45:19,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756107412] [2021-11-19 15:45:19,478 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:45:19,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:45:19,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:45:19,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:45:19,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:45:19,480 INFO L87 Difference]: Start difference. First operand 2522 states and 3471 transitions. Second operand has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-19 15:45:19,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:45:19,904 INFO L93 Difference]: Finished difference Result 2522 states and 3471 transitions. [2021-11-19 15:45:19,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:45:19,905 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 15:45:19,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:45:19,915 INFO L225 Difference]: With dead ends: 2522 [2021-11-19 15:45:19,916 INFO L226 Difference]: Without dead ends: 2520 [2021-11-19 15:45:19,918 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 15:45:19,918 INFO L933 BasicCegarLoop]: 1816 mSDtfsCounter, 1698 mSDsluCounter, 1814 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1700 SdHoareTripleChecker+Valid, 3630 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 15:45:19,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1700 Valid, 3630 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 15:45:19,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2520 states. [2021-11-19 15:45:20,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2520 to 2520. [2021-11-19 15:45:20,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2520 states, 1660 states have (on average 1.2397590361445783) internal successors, (2058), 1709 states have internal predecessors, (2058), 705 states have call successors, (705), 145 states have call predecessors, (705), 144 states have return successors, (706), 694 states have call predecessors, (706), 703 states have call successors, (706) [2021-11-19 15:45:20,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2520 states to 2520 states and 3469 transitions. [2021-11-19 15:45:20,349 INFO L78 Accepts]: Start accepts. Automaton has 2520 states and 3469 transitions. Word has length 138 [2021-11-19 15:45:20,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:45:20,351 INFO L470 AbstractCegarLoop]: Abstraction has 2520 states and 3469 transitions. [2021-11-19 15:45:20,352 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 15:45:20,352 INFO L276 IsEmpty]: Start isEmpty. Operand 2520 states and 3469 transitions. [2021-11-19 15:45:20,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-19 15:45:20,367 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:45:20,367 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 15:45:20,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-19 15:45:20,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:45:20,590 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-19 15:45:20,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:45:20,591 INFO L85 PathProgramCache]: Analyzing trace with hash 2010206249, now seen corresponding path program 1 times [2021-11-19 15:45:20,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:45:20,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1766700461] [2021-11-19 15:45:20,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:45:20,593 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:45:20,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:45:20,594 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:45:20,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-19 15:45:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:45:22,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 2296 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:45:22,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:45:24,588 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 15:45:24,588 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:45:26,462 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 15:45:26,463 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:45:26,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1766700461] [2021-11-19 15:45:26,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1766700461] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:45:26,463 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:45:26,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2021-11-19 15:45:26,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630089860] [2021-11-19 15:45:26,464 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:45:26,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 15:45:26,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:45:26,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 15:45:26,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 15:45:26,466 INFO L87 Difference]: Start difference. First operand 2520 states and 3469 transitions. Second operand has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-19 15:45:26,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:45:26,816 INFO L93 Difference]: Finished difference Result 2520 states and 3469 transitions. [2021-11-19 15:45:26,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:45:26,817 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 15:45:26,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:45:26,826 INFO L225 Difference]: With dead ends: 2520 [2021-11-19 15:45:26,826 INFO L226 Difference]: Without dead ends: 2518 [2021-11-19 15:45:26,827 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-19 15:45:26,828 INFO L933 BasicCegarLoop]: 1814 mSDtfsCounter, 1756 mSDsluCounter, 1812 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1758 SdHoareTripleChecker+Valid, 3626 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 15:45:26,828 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1758 Valid, 3626 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 15:45:26,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2518 states. [2021-11-19 15:45:27,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2518 to 2518. [2021-11-19 15:45:27,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2518 states, 1659 states have (on average 1.239300783604581) internal successors, (2056), 1707 states have internal predecessors, (2056), 705 states have call successors, (705), 145 states have call predecessors, (705), 144 states have return successors, (706), 694 states have call predecessors, (706), 703 states have call successors, (706) [2021-11-19 15:45:27,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2518 states to 2518 states and 3467 transitions. [2021-11-19 15:45:27,187 INFO L78 Accepts]: Start accepts. Automaton has 2518 states and 3467 transitions. Word has length 144 [2021-11-19 15:45:27,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:45:27,187 INFO L470 AbstractCegarLoop]: Abstraction has 2518 states and 3467 transitions. [2021-11-19 15:45:27,188 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 15:45:27,188 INFO L276 IsEmpty]: Start isEmpty. Operand 2518 states and 3467 transitions. [2021-11-19 15:45:27,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-19 15:45:27,192 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:45:27,193 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:45:27,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-19 15:45:27,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:45:27,406 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting smc91c92_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-19 15:45:27,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:45:27,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1675064450, now seen corresponding path program 1 times [2021-11-19 15:45:27,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:45:27,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1937667279] [2021-11-19 15:45:27,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:45:27,411 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:45:27,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:45:27,412 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:45:27,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-19 15:45:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:45:29,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 2628 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-19 15:45:29,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:45:31,485 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 101 proven. 3 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-19 15:45:31,485 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:45:33,431 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-19 15:45:33,431 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:45:33,431 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1937667279] [2021-11-19 15:45:33,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1937667279] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 15:45:33,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1839538441] [2021-11-19 15:45:33,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:45:33,432 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 15:45:33,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 15:45:33,433 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 15:45:33,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2021-11-19 15:45:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:45:40,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 2628 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-19 15:45:40,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:45:42,677 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-19 15:45:42,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:45:44,043 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-11-19 15:45:44,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1839538441] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 15:45:44,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-19 15:45:44,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 8, 6] total 13 [2021-11-19 15:45:44,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810200283] [2021-11-19 15:45:44,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 15:45:44,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 15:45:44,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:45:44,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 15:45:44,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-11-19 15:45:44,045 INFO L87 Difference]: Start difference. First operand 2518 states and 3467 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2021-11-19 15:45:44,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:45:44,611 INFO L93 Difference]: Finished difference Result 5103 states and 7047 transitions. [2021-11-19 15:45:44,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 15:45:44,612 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) Word has length 165 [2021-11-19 15:45:44,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:45:44,625 INFO L225 Difference]: With dead ends: 5103 [2021-11-19 15:45:44,625 INFO L226 Difference]: Without dead ends: 2602 [2021-11-19 15:45:44,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 657 GetRequests, 645 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-19 15:45:44,636 INFO L933 BasicCegarLoop]: 1950 mSDtfsCounter, 539 mSDsluCounter, 7052 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 742 SdHoareTripleChecker+Valid, 9002 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 15:45:44,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [742 Valid, 9002 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 15:45:44,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2602 states. [2021-11-19 15:45:44,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2602 to 2518. [2021-11-19 15:45:44,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2518 states, 1659 states have (on average 1.2386980108499095) internal successors, (2055), 1706 states have internal predecessors, (2055), 705 states have call successors, (705), 145 states have call predecessors, (705), 144 states have return successors, (706), 694 states have call predecessors, (706), 703 states have call successors, (706) [2021-11-19 15:45:44,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2518 states to 2518 states and 3466 transitions. [2021-11-19 15:45:44,955 INFO L78 Accepts]: Start accepts. Automaton has 2518 states and 3466 transitions. Word has length 165 [2021-11-19 15:45:44,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:45:44,955 INFO L470 AbstractCegarLoop]: Abstraction has 2518 states and 3466 transitions. [2021-11-19 15:45:44,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2021-11-19 15:45:44,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2518 states and 3466 transitions. [2021-11-19 15:45:44,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-19 15:45:44,960 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:45:44,960 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 15:45:44,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2021-11-19 15:45:45,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-19 15:45:45,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:45:45,370 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-19 15:45:45,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:45:45,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1934927287, now seen corresponding path program 1 times [2021-11-19 15:45:45,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:45:45,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [385175940] [2021-11-19 15:45:45,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:45:45,374 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:45:45,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:45:45,376 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:45:45,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-19 15:45:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:45:46,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 2305 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:45:46,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:45:49,360 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 15:45:49,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:45:50,331 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 15:45:50,331 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:45:50,332 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [385175940] [2021-11-19 15:45:50,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [385175940] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:45:50,332 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:45:50,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 15:45:50,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292700512] [2021-11-19 15:45:50,333 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:45:50,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:45:50,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:45:50,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:45:50,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:45:50,335 INFO L87 Difference]: Start difference. First operand 2518 states and 3466 transitions. Second operand has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-19 15:45:50,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:45:50,664 INFO L93 Difference]: Finished difference Result 2518 states and 3466 transitions. [2021-11-19 15:45:50,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:45:50,665 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 15:45:50,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:45:50,671 INFO L225 Difference]: With dead ends: 2518 [2021-11-19 15:45:50,672 INFO L226 Difference]: Without dead ends: 2516 [2021-11-19 15:45:50,673 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 294 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 15:45:50,673 INFO L933 BasicCegarLoop]: 1811 mSDtfsCounter, 1678 mSDsluCounter, 3618 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1680 SdHoareTripleChecker+Valid, 5429 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 15:45:50,674 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1680 Valid, 5429 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 15:45:50,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2516 states. [2021-11-19 15:45:51,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2516 to 2516. [2021-11-19 15:45:51,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2516 states, 1658 states have (on average 1.238238841978287) internal successors, (2053), 1704 states have internal predecessors, (2053), 705 states have call successors, (705), 145 states have call predecessors, (705), 144 states have return successors, (706), 694 states have call predecessors, (706), 703 states have call successors, (706) [2021-11-19 15:45:51,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 2516 states and 3464 transitions. [2021-11-19 15:45:51,034 INFO L78 Accepts]: Start accepts. Automaton has 2516 states and 3464 transitions. Word has length 150 [2021-11-19 15:45:51,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:45:51,035 INFO L470 AbstractCegarLoop]: Abstraction has 2516 states and 3464 transitions. [2021-11-19 15:45:51,035 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 15:45:51,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 3464 transitions. [2021-11-19 15:45:51,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-19 15:45:51,038 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:45:51,038 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:45:51,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-19 15:45:51,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:45:51,254 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting smc91c92_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-19 15:45:51,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:45:51,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1293760191, now seen corresponding path program 1 times [2021-11-19 15:45:51,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:45:51,258 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1458229790] [2021-11-19 15:45:51,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:45:51,258 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:45:51,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:45:51,259 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:45:51,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-19 15:45:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:45:53,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 2639 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 15:45:53,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:45:54,533 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-11-19 15:45:54,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:45:56,011 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2021-11-19 15:45:56,011 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:45:56,011 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1458229790] [2021-11-19 15:45:56,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1458229790] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 15:45:56,012 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 15:45:56,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2021-11-19 15:45:56,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050896632] [2021-11-19 15:45:56,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 15:45:56,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 15:45:56,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:45:56,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 15:45:56,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-19 15:45:56,014 INFO L87 Difference]: Start difference. First operand 2516 states and 3464 transitions. Second operand has 6 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-11-19 15:45:59,536 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:00,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:46:00,390 INFO L93 Difference]: Finished difference Result 5103 states and 7048 transitions. [2021-11-19 15:46:00,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 15:46:00,390 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 169 [2021-11-19 15:46:00,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:46:00,404 INFO L225 Difference]: With dead ends: 5103 [2021-11-19 15:46:00,404 INFO L226 Difference]: Without dead ends: 2606 [2021-11-19 15:46:00,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-19 15:46:00,417 INFO L933 BasicCegarLoop]: 1942 mSDtfsCounter, 532 mSDsluCounter, 7021 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 733 SdHoareTripleChecker+Valid, 8963 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-19 15:46:00,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [733 Valid, 8963 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-11-19 15:46:00,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2606 states. [2021-11-19 15:46:00,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2606 to 2516. [2021-11-19 15:46:00,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2516 states, 1658 states have (on average 1.2370325693606754) internal successors, (2051), 1704 states have internal predecessors, (2051), 705 states have call successors, (705), 145 states have call predecessors, (705), 144 states have return successors, (706), 694 states have call predecessors, (706), 703 states have call successors, (706) [2021-11-19 15:46:00,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 2516 states and 3462 transitions. [2021-11-19 15:46:00,886 INFO L78 Accepts]: Start accepts. Automaton has 2516 states and 3462 transitions. Word has length 169 [2021-11-19 15:46:00,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:46:00,887 INFO L470 AbstractCegarLoop]: Abstraction has 2516 states and 3462 transitions. [2021-11-19 15:46:00,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-11-19 15:46:00,887 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 3462 transitions. [2021-11-19 15:46:00,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-19 15:46:00,890 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:46:00,891 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:46:00,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-19 15:46:01,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:46:01,106 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting smc91c92_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-19 15:46:01,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:46:01,107 INFO L85 PathProgramCache]: Analyzing trace with hash -2064493757, now seen corresponding path program 1 times [2021-11-19 15:46:01,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:46:01,111 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [658045830] [2021-11-19 15:46:01,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:46:01,111 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:46:01,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:46:01,113 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:46:01,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-19 15:46:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:46:03,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 2639 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-19 15:46:03,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:46:04,268 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-11-19 15:46:04,268 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:46:05,534 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2021-11-19 15:46:05,535 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:46:05,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [658045830] [2021-11-19 15:46:05,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [658045830] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 15:46:05,536 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 15:46:05,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2021-11-19 15:46:05,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144978488] [2021-11-19 15:46:05,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 15:46:05,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 15:46:05,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:46:05,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 15:46:05,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-19 15:46:05,538 INFO L87 Difference]: Start difference. First operand 2516 states and 3462 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-19 15:46:07,671 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:09,686 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:11,700 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:14,508 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:14,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:46:14,889 INFO L93 Difference]: Finished difference Result 5263 states and 7272 transitions. [2021-11-19 15:46:14,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 15:46:14,890 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 169 [2021-11-19 15:46:14,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:46:14,904 INFO L225 Difference]: With dead ends: 5263 [2021-11-19 15:46:14,904 INFO L226 Difference]: Without dead ends: 2766 [2021-11-19 15:46:14,913 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-19 15:46:14,915 INFO L933 BasicCegarLoop]: 2013 mSDtfsCounter, 530 mSDsluCounter, 7307 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 9320 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2021-11-19 15:46:14,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [730 Valid, 9320 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 4 Unknown, 0 Unchecked, 8.9s Time] [2021-11-19 15:46:14,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2766 states. [2021-11-19 15:46:15,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2766 to 2516. [2021-11-19 15:46:15,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2516 states, 1658 states have (on average 1.235826296743064) internal successors, (2049), 1704 states have internal predecessors, (2049), 705 states have call successors, (705), 145 states have call predecessors, (705), 144 states have return successors, (706), 694 states have call predecessors, (706), 703 states have call successors, (706) [2021-11-19 15:46:15,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 2516 states and 3460 transitions. [2021-11-19 15:46:15,244 INFO L78 Accepts]: Start accepts. Automaton has 2516 states and 3460 transitions. Word has length 169 [2021-11-19 15:46:15,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:46:15,245 INFO L470 AbstractCegarLoop]: Abstraction has 2516 states and 3460 transitions. [2021-11-19 15:46:15,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-19 15:46:15,245 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 3460 transitions. [2021-11-19 15:46:15,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-19 15:46:15,248 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:46:15,249 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:46:15,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-19 15:46:15,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:46:15,470 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting smc91c92_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-19 15:46:15,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:46:15,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1721000449, now seen corresponding path program 1 times [2021-11-19 15:46:15,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:46:15,473 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1128154703] [2021-11-19 15:46:15,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:46:15,474 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:46:15,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:46:15,474 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:46:15,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-19 15:46:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:46:17,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 2639 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:46:17,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:46:18,484 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-19 15:46:18,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:46:18,953 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-11-19 15:46:18,954 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:46:18,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1128154703] [2021-11-19 15:46:18,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1128154703] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:46:18,954 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:46:18,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 15:46:18,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591811648] [2021-11-19 15:46:18,955 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:46:18,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:46:18,955 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:46:18,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:46:18,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:46:18,956 INFO L87 Difference]: Start difference. First operand 2516 states and 3460 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-19 15:46:22,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:46:22,480 INFO L93 Difference]: Finished difference Result 7385 states and 10507 transitions. [2021-11-19 15:46:22,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:46:22,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 169 [2021-11-19 15:46:22,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:46:22,499 INFO L225 Difference]: With dead ends: 7385 [2021-11-19 15:46:22,499 INFO L226 Difference]: Without dead ends: 4888 [2021-11-19 15:46:22,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 15:46:22,512 INFO L933 BasicCegarLoop]: 2802 mSDtfsCounter, 1584 mSDsluCounter, 2489 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1984 SdHoareTripleChecker+Valid, 5291 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-19 15:46:22,513 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1984 Valid, 5291 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-19 15:46:22,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4888 states. [2021-11-19 15:46:23,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4888 to 2526. [2021-11-19 15:46:23,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2526 states, 1666 states have (on average 1.2346938775510203) internal successors, (2057), 1712 states have internal predecessors, (2057), 707 states have call successors, (707), 145 states have call predecessors, (707), 144 states have return successors, (708), 696 states have call predecessors, (708), 705 states have call successors, (708) [2021-11-19 15:46:23,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2526 states to 2526 states and 3472 transitions. [2021-11-19 15:46:23,042 INFO L78 Accepts]: Start accepts. Automaton has 2526 states and 3472 transitions. Word has length 169 [2021-11-19 15:46:23,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:46:23,042 INFO L470 AbstractCegarLoop]: Abstraction has 2526 states and 3472 transitions. [2021-11-19 15:46:23,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-19 15:46:23,043 INFO L276 IsEmpty]: Start isEmpty. Operand 2526 states and 3472 transitions. [2021-11-19 15:46:23,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-19 15:46:23,046 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:46:23,046 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:46:23,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-11-19 15:46:23,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:46:23,262 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting smc91c92_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-19 15:46:23,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:46:23,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1380699275, now seen corresponding path program 1 times [2021-11-19 15:46:23,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:46:23,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2029686859] [2021-11-19 15:46:23,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:46:23,267 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:46:23,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:46:23,268 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:46:23,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-19 15:46:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:46:25,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 2623 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-19 15:46:25,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:46:26,595 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-19 15:46:26,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:46:27,422 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-11-19 15:46:27,422 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:46:27,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2029686859] [2021-11-19 15:46:27,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2029686859] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:46:27,423 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:46:27,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-19 15:46:27,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158467844] [2021-11-19 15:46:27,424 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:46:27,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 15:46:27,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:46:27,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 15:46:27,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-19 15:46:27,425 INFO L87 Difference]: Start difference. First operand 2526 states and 3472 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-19 15:46:29,761 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:31,967 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:36,515 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:38,525 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:40,534 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:43,650 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:45,809 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:52,814 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:54,819 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:55,990 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:46:57,525 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:47:01,063 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:47:03,076 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:47:05,095 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:47:07,111 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:47:09,125 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:47:10,673 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:47:12,311 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:47:18,403 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:47:23,615 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:47:25,846 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:47:28,873 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:47:30,882 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:47:36,086 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:47:38,063 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:47:39,830 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:47:41,849 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:47:42,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:47:42,157 INFO L93 Difference]: Finished difference Result 5087 states and 7004 transitions. [2021-11-19 15:47:42,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 15:47:42,164 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 173 [2021-11-19 15:47:42,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:47:42,170 INFO L225 Difference]: With dead ends: 5087 [2021-11-19 15:47:42,170 INFO L226 Difference]: Without dead ends: 2580 [2021-11-19 15:47:42,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-11-19 15:47:42,177 INFO L933 BasicCegarLoop]: 1829 mSDtfsCounter, 47 mSDsluCounter, 6761 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 5 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 8590 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.2s IncrementalHoareTripleChecker+Time [2021-11-19 15:47:42,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 8590 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 561 Invalid, 16 Unknown, 0 Unchecked, 74.2s Time] [2021-11-19 15:47:42,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2580 states. [2021-11-19 15:47:42,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2580 to 2530. [2021-11-19 15:47:42,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2530 states, 1670 states have (on average 1.2353293413173652) internal successors, (2063), 1716 states have internal predecessors, (2063), 707 states have call successors, (707), 145 states have call predecessors, (707), 144 states have return successors, (708), 696 states have call predecessors, (708), 705 states have call successors, (708) [2021-11-19 15:47:42,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2530 states to 2530 states and 3478 transitions. [2021-11-19 15:47:42,564 INFO L78 Accepts]: Start accepts. Automaton has 2530 states and 3478 transitions. Word has length 173 [2021-11-19 15:47:42,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:47:42,564 INFO L470 AbstractCegarLoop]: Abstraction has 2530 states and 3478 transitions. [2021-11-19 15:47:42,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-19 15:47:42,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2530 states and 3478 transitions. [2021-11-19 15:47:42,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-19 15:47:42,567 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:47:42,568 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:47:42,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-19 15:47:42,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:47:42,782 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting smc91c92_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-19 15:47:42,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:47:42,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1403331529, now seen corresponding path program 1 times [2021-11-19 15:47:42,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:47:42,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [30151619] [2021-11-19 15:47:42,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:47:42,787 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:47:42,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:47:42,788 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:47:42,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-19 15:47:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:47:45,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 2621 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 15:47:45,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:47:45,825 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-19 15:47:45,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:47:46,389 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-11-19 15:47:46,390 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:47:46,390 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [30151619] [2021-11-19 15:47:46,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [30151619] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:47:46,390 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:47:46,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 15:47:46,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234580320] [2021-11-19 15:47:46,391 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:47:46,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 15:47:46,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:47:46,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 15:47:46,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 15:47:46,392 INFO L87 Difference]: Start difference. First operand 2530 states and 3478 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-19 15:47:48,467 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:47:48,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:47:48,795 INFO L93 Difference]: Finished difference Result 5043 states and 6933 transitions. [2021-11-19 15:47:48,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 15:47:48,799 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 173 [2021-11-19 15:47:48,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:47:48,805 INFO L225 Difference]: With dead ends: 5043 [2021-11-19 15:47:48,805 INFO L226 Difference]: Without dead ends: 2532 [2021-11-19 15:47:48,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 15:47:48,813 INFO L933 BasicCegarLoop]: 1810 mSDtfsCounter, 0 mSDsluCounter, 1804 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3614 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-19 15:47:48,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 3614 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-11-19 15:47:48,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2532 states. [2021-11-19 15:47:49,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2532 to 2532. [2021-11-19 15:47:49,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2532 states, 1672 states have (on average 1.2350478468899522) internal successors, (2065), 1718 states have internal predecessors, (2065), 707 states have call successors, (707), 145 states have call predecessors, (707), 144 states have return successors, (708), 696 states have call predecessors, (708), 705 states have call successors, (708) [2021-11-19 15:47:49,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2532 states to 2532 states and 3480 transitions. [2021-11-19 15:47:49,101 INFO L78 Accepts]: Start accepts. Automaton has 2532 states and 3480 transitions. Word has length 173 [2021-11-19 15:47:49,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:47:49,101 INFO L470 AbstractCegarLoop]: Abstraction has 2532 states and 3480 transitions. [2021-11-19 15:47:49,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-19 15:47:49,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2532 states and 3480 transitions. [2021-11-19 15:47:49,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-19 15:47:49,104 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:47:49,104 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 15:47:49,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-11-19 15:47:49,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:47:49,326 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-19 15:47:49,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:47:49,326 INFO L85 PathProgramCache]: Analyzing trace with hash 69681422, now seen corresponding path program 1 times [2021-11-19 15:47:49,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:47:49,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [824182905] [2021-11-19 15:47:49,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:47:49,329 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:47:49,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:47:49,331 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:47:49,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-19 15:47:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:47:50,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 2314 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:47:50,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:47:54,495 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 15:47:54,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:47:55,878 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 15:47:55,878 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:47:55,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [824182905] [2021-11-19 15:47:55,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [824182905] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:47:55,878 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:47:55,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 15:47:55,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291725179] [2021-11-19 15:47:55,879 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:47:55,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:47:55,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:47:55,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:47:55,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:47:55,880 INFO L87 Difference]: Start difference. First operand 2532 states and 3480 transitions. Second operand has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-19 15:47:56,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:47:56,281 INFO L93 Difference]: Finished difference Result 2532 states and 3480 transitions. [2021-11-19 15:47:56,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:47:56,282 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 15:47:56,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:47:56,287 INFO L225 Difference]: With dead ends: 2532 [2021-11-19 15:47:56,288 INFO L226 Difference]: Without dead ends: 2530 [2021-11-19 15:47:56,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 15:47:56,290 INFO L933 BasicCegarLoop]: 1807 mSDtfsCounter, 1668 mSDsluCounter, 3610 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1670 SdHoareTripleChecker+Valid, 5417 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 15:47:56,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1670 Valid, 5417 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 15:47:56,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2530 states. [2021-11-19 15:47:56,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2530 to 2530. [2021-11-19 15:47:56,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2530 states, 1671 states have (on average 1.234590065828845) internal successors, (2063), 1716 states have internal predecessors, (2063), 707 states have call successors, (707), 145 states have call predecessors, (707), 144 states have return successors, (708), 696 states have call predecessors, (708), 705 states have call successors, (708) [2021-11-19 15:47:56,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2530 states to 2530 states and 3478 transitions. [2021-11-19 15:47:56,599 INFO L78 Accepts]: Start accepts. Automaton has 2530 states and 3478 transitions. Word has length 156 [2021-11-19 15:47:56,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:47:56,599 INFO L470 AbstractCegarLoop]: Abstraction has 2530 states and 3478 transitions. [2021-11-19 15:47:56,599 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 15:47:56,599 INFO L276 IsEmpty]: Start isEmpty. Operand 2530 states and 3478 transitions. [2021-11-19 15:47:56,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-19 15:47:56,601 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:47:56,602 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:47:56,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2021-11-19 15:47:56,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:47:56,818 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting smc91c92_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-19 15:47:56,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:47:56,818 INFO L85 PathProgramCache]: Analyzing trace with hash 186365383, now seen corresponding path program 1 times [2021-11-19 15:47:56,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:47:56,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1658324702] [2021-11-19 15:47:56,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:47:56,822 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:47:56,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:47:56,822 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:47:56,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-19 15:47:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:47:59,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 2627 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:47:59,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:47:59,809 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-19 15:47:59,809 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:48:00,305 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-11-19 15:48:00,305 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:48:00,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1658324702] [2021-11-19 15:48:00,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1658324702] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:48:00,306 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:48:00,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-19 15:48:00,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193286970] [2021-11-19 15:48:00,306 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:48:00,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:48:00,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:48:00,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:48:00,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 15:48:00,307 INFO L87 Difference]: Start difference. First operand 2530 states and 3478 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-19 15:48:02,354 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:48:05,620 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:48:08,142 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:48:08,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:48:08,991 INFO L93 Difference]: Finished difference Result 7921 states and 11285 transitions. [2021-11-19 15:48:08,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 15:48:08,992 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 175 [2021-11-19 15:48:08,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:48:09,007 INFO L225 Difference]: With dead ends: 7921 [2021-11-19 15:48:09,008 INFO L226 Difference]: Without dead ends: 5410 [2021-11-19 15:48:09,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-19 15:48:09,019 INFO L933 BasicCegarLoop]: 3021 mSDtfsCounter, 2255 mSDsluCounter, 6857 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 928 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2447 SdHoareTripleChecker+Valid, 9878 SdHoareTripleChecker+Invalid, 981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 928 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-11-19 15:48:09,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2447 Valid, 9878 Invalid, 981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [928 Valid, 50 Invalid, 3 Unknown, 0 Unchecked, 7.7s Time] [2021-11-19 15:48:09,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5410 states. [2021-11-19 15:48:09,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5410 to 2534. [2021-11-19 15:48:09,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2534 states, 1675 states have (on average 1.2340298507462686) internal successors, (2067), 1720 states have internal predecessors, (2067), 707 states have call successors, (707), 145 states have call predecessors, (707), 144 states have return successors, (708), 696 states have call predecessors, (708), 705 states have call successors, (708) [2021-11-19 15:48:09,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2534 states to 2534 states and 3482 transitions. [2021-11-19 15:48:09,419 INFO L78 Accepts]: Start accepts. Automaton has 2534 states and 3482 transitions. Word has length 175 [2021-11-19 15:48:09,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:48:09,420 INFO L470 AbstractCegarLoop]: Abstraction has 2534 states and 3482 transitions. [2021-11-19 15:48:09,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-19 15:48:09,420 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states and 3482 transitions. [2021-11-19 15:48:09,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-19 15:48:09,422 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:48:09,422 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:48:09,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-11-19 15:48:09,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:48:09,625 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting smc91c92_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-19 15:48:09,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:48:09,625 INFO L85 PathProgramCache]: Analyzing trace with hash 609067209, now seen corresponding path program 1 times [2021-11-19 15:48:09,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:48:09,628 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [180751593] [2021-11-19 15:48:09,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:48:09,628 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:48:09,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:48:09,629 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:48:09,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-19 15:48:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:48:11,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 2624 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-19 15:48:12,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:48:12,816 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2021-11-19 15:48:12,816 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:48:14,204 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2021-11-19 15:48:14,204 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:48:14,204 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [180751593] [2021-11-19 15:48:14,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [180751593] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:48:14,204 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:48:14,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2021-11-19 15:48:14,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887393632] [2021-11-19 15:48:14,205 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:48:14,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 15:48:14,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:48:14,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 15:48:14,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-19 15:48:14,206 INFO L87 Difference]: Start difference. First operand 2534 states and 3482 transitions. Second operand has 8 states, 6 states have (on average 13.333333333333334) internal successors, (80), 7 states have internal predecessors, (80), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-19 15:48:16,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:48:16,176 INFO L93 Difference]: Finished difference Result 5049 states and 6946 transitions. [2021-11-19 15:48:16,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 15:48:16,177 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 13.333333333333334) internal successors, (80), 7 states have internal predecessors, (80), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 175 [2021-11-19 15:48:16,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:48:16,187 INFO L225 Difference]: With dead ends: 5049 [2021-11-19 15:48:16,187 INFO L226 Difference]: Without dead ends: 2534 [2021-11-19 15:48:16,196 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-19 15:48:16,197 INFO L933 BasicCegarLoop]: 1791 mSDtfsCounter, 14 mSDsluCounter, 10695 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 12486 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 32 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-19 15:48:16,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 12486 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 32 Unchecked, 1.5s Time] [2021-11-19 15:48:16,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2534 states. [2021-11-19 15:48:16,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2534 to 2534. [2021-11-19 15:48:16,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2534 states, 1675 states have (on average 1.2328358208955223) internal successors, (2065), 1720 states have internal predecessors, (2065), 707 states have call successors, (707), 145 states have call predecessors, (707), 144 states have return successors, (708), 696 states have call predecessors, (708), 705 states have call successors, (708) [2021-11-19 15:48:16,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2534 states to 2534 states and 3480 transitions. [2021-11-19 15:48:16,549 INFO L78 Accepts]: Start accepts. Automaton has 2534 states and 3480 transitions. Word has length 175 [2021-11-19 15:48:16,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:48:16,550 INFO L470 AbstractCegarLoop]: Abstraction has 2534 states and 3480 transitions. [2021-11-19 15:48:16,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 13.333333333333334) internal successors, (80), 7 states have internal predecessors, (80), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-19 15:48:16,551 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states and 3480 transitions. [2021-11-19 15:48:16,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-19 15:48:16,553 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:48:16,554 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:48:16,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2021-11-19 15:48:16,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:48:16,778 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting smc91c92_releaseErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 22 more)] === [2021-11-19 15:48:16,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:48:16,778 INFO L85 PathProgramCache]: Analyzing trace with hash 216040199, now seen corresponding path program 1 times [2021-11-19 15:48:16,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:48:16,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1431702913] [2021-11-19 15:48:16,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:48:16,781 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:48:16,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:48:16,782 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:48:16,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e2475b2-4103-4c79-b3fd-3d2f4cad9658/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process