./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--mmc--card--mmc_test.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 78dc70726790e77f363f3f534b507edaca1714cde97bc3b7cdeb338176ca8d88 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:28:49,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:28:49,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:28:49,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:28:49,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:28:49,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:28:49,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:28:49,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:28:49,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:28:49,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:28:49,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:28:49,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:28:49,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:28:49,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:28:49,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:28:49,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:28:49,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:28:49,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:28:49,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:28:49,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:28:49,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:28:49,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:28:49,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:28:49,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:28:49,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:28:49,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:28:49,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:28:49,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:28:49,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:28:49,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:28:49,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:28:49,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:28:49,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:28:49,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:28:49,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:28:49,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:28:49,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:28:49,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:28:49,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:28:49,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:28:49,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:28:49,882 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-13 02:28:49,929 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:28:49,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:28:49,931 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:28:49,931 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:28:49,931 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:28:49,932 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:28:49,932 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:28:49,932 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:28:49,932 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:28:49,932 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:28:49,940 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:28:49,941 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:28:49,941 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:28:49,941 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:28:49,941 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:28:49,942 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:28:49,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:28:49,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:28:49,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:28:49,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:28:49,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:28:49,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:28:49,944 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:28:49,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:28:49,944 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:28:49,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:28:49,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:28:49,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:28:49,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:28:49,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:28:49,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:28:49,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:28:49,948 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:28:49,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:28:49,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:28:49,948 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:28:49,948 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:28:49,949 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_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78dc70726790e77f363f3f534b507edaca1714cde97bc3b7cdeb338176ca8d88 [2021-11-13 02:28:50,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:28:50,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:28:50,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:28:50,247 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:28:50,248 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:28:50,250 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i [2021-11-13 02:28:50,357 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/data/5318f6273/e0549f9ad5c34b95b2152d44a64bb66d/FLAGa7096e1d6 [2021-11-13 02:28:51,460 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:28:51,461 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i [2021-11-13 02:28:51,545 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/data/5318f6273/e0549f9ad5c34b95b2152d44a64bb66d/FLAGa7096e1d6 [2021-11-13 02:28:51,760 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/data/5318f6273/e0549f9ad5c34b95b2152d44a64bb66d [2021-11-13 02:28:51,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:28:51,764 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:28:51,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:28:51,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:28:51,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:28:51,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:28:51" (1/1) ... [2021-11-13 02:28:51,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d114b01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:51, skipping insertion in model container [2021-11-13 02:28:51,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:28:51" (1/1) ... [2021-11-13 02:28:51,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:28:52,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:28:53,871 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:28:54,463 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:28:54,464 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:28:54,465 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:28:54,466 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:28:54,467 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:28:54,468 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:28:54,476 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:28:54,480 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:28:54,481 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:28:54,482 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:28:54,516 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:28:54,517 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:28:54,518 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:28:54,541 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:28:54,548 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:28:57,226 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439117,439130] [2021-11-13 02:28:57,229 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439262,439275] [2021-11-13 02:28:57,230 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439408,439421] [2021-11-13 02:28:57,231 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439573,439586] [2021-11-13 02:28:57,231 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439731,439744] [2021-11-13 02:28:57,232 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439889,439902] [2021-11-13 02:28:57,232 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440047,440060] [2021-11-13 02:28:57,233 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440207,440220] [2021-11-13 02:28:57,233 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440366,440379] [2021-11-13 02:28:57,234 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440505,440518] [2021-11-13 02:28:57,234 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440647,440660] [2021-11-13 02:28:57,235 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440796,440809] [2021-11-13 02:28:57,235 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440935,440948] [2021-11-13 02:28:57,236 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441090,441103] [2021-11-13 02:28:57,237 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441250,441263] [2021-11-13 02:28:57,237 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441401,441414] [2021-11-13 02:28:57,238 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441552,441565] [2021-11-13 02:28:57,238 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441704,441717] [2021-11-13 02:28:57,239 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441853,441866] [2021-11-13 02:28:57,239 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442001,442014] [2021-11-13 02:28:57,240 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442158,442171] [2021-11-13 02:28:57,240 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442307,442320] [2021-11-13 02:28:57,241 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442463,442476] [2021-11-13 02:28:57,241 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442616,442629] [2021-11-13 02:28:57,242 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442762,442775] [2021-11-13 02:28:57,242 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442905,442918] [2021-11-13 02:28:57,243 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443057,443070] [2021-11-13 02:28:57,243 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443203,443216] [2021-11-13 02:28:57,244 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443348,443361] [2021-11-13 02:28:57,244 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443502,443515] [2021-11-13 02:28:57,245 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443653,443666] [2021-11-13 02:28:57,245 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443808,443821] [2021-11-13 02:28:57,246 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443960,443973] [2021-11-13 02:28:57,246 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444115,444128] [2021-11-13 02:28:57,247 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444279,444292] [2021-11-13 02:28:57,247 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444435,444448] [2021-11-13 02:28:57,248 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444599,444612] [2021-11-13 02:28:57,248 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444741,444754] [2021-11-13 02:28:57,249 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444899,444912] [2021-11-13 02:28:57,249 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445066,445079] [2021-11-13 02:28:57,250 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445225,445238] [2021-11-13 02:28:57,250 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445384,445397] [2021-11-13 02:28:57,251 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445533,445546] [2021-11-13 02:28:57,251 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445680,445693] [2021-11-13 02:28:57,252 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445819,445832] [2021-11-13 02:28:57,252 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445982,445995] [2021-11-13 02:28:57,253 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446148,446161] [2021-11-13 02:28:57,253 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446312,446325] [2021-11-13 02:28:57,254 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446477,446490] [2021-11-13 02:28:57,254 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446642,446655] [2021-11-13 02:28:57,255 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446808,446821] [2021-11-13 02:28:57,255 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446973,446986] [2021-11-13 02:28:57,256 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447140,447153] [2021-11-13 02:28:57,256 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447300,447313] [2021-11-13 02:28:57,257 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447462,447475] [2021-11-13 02:28:57,258 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447621,447634] [2021-11-13 02:28:57,258 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447767,447780] [2021-11-13 02:28:57,259 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447910,447923] [2021-11-13 02:28:57,259 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448054,448067] [2021-11-13 02:28:57,260 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448197,448210] [2021-11-13 02:28:57,260 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448341,448354] [2021-11-13 02:28:57,261 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448482,448495] [2021-11-13 02:28:57,261 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448620,448633] [2021-11-13 02:28:57,262 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448778,448791] [2021-11-13 02:28:57,262 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448937,448950] [2021-11-13 02:28:57,262 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449093,449106] [2021-11-13 02:28:57,263 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449242,449255] [2021-11-13 02:28:57,263 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449394,449407] [2021-11-13 02:28:57,264 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449545,449558] [2021-11-13 02:28:57,264 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449694,449707] [2021-11-13 02:28:57,265 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449846,449859] [2021-11-13 02:28:57,265 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449994,450007] [2021-11-13 02:28:57,266 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450147,450160] [2021-11-13 02:28:57,266 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450298,450311] [2021-11-13 02:28:57,267 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450448,450461] [2021-11-13 02:28:57,267 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450595,450608] [2021-11-13 02:28:57,268 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450746,450759] [2021-11-13 02:28:57,268 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450897,450910] [2021-11-13 02:28:57,269 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451045,451058] [2021-11-13 02:28:57,279 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451211,451224] [2021-11-13 02:28:57,280 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451380,451393] [2021-11-13 02:28:57,280 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451547,451560] [2021-11-13 02:28:57,281 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451715,451728] [2021-11-13 02:28:57,282 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451865,451878] [2021-11-13 02:28:57,282 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452012,452025] [2021-11-13 02:28:57,284 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452173,452186] [2021-11-13 02:28:57,285 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452343,452356] [2021-11-13 02:28:57,285 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452505,452518] [2021-11-13 02:28:57,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:28:57,389 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-13 02:28:57,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@33b172a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:28:57, skipping insertion in model container [2021-11-13 02:28:57,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:28:57,391 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 02:28:57,398 INFO L158 Benchmark]: Toolchain (without parser) took 5628.00ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 100.6MB in the beginning and 151.7MB in the end (delta: -51.1MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2021-11-13 02:28:57,399 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 90.2MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 45.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:28:57,400 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5624.84ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 100.2MB in the beginning and 151.7MB in the end (delta: -51.5MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2021-11-13 02:28:57,402 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 90.2MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 45.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5624.84ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 100.2MB in the beginning and 151.7MB in the end (delta: -51.5MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4696]: 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_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 78dc70726790e77f363f3f534b507edaca1714cde97bc3b7cdeb338176ca8d88 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:28:59,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:28:59,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:28:59,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:28:59,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:28:59,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:28:59,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:28:59,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:28:59,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:28:59,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:28:59,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:28:59,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:28:59,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:28:59,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:28:59,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:28:59,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:28:59,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:28:59,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:28:59,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:28:59,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:28:59,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:28:59,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:28:59,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:28:59,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:28:59,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:28:59,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:28:59,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:28:59,980 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:28:59,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:28:59,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:28:59,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:28:59,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:28:59,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:28:59,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:28:59,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:28:59,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:28:59,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:28:59,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:28:59,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:28:59,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:28:59,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:28:59,996 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-13 02:29:00,046 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:29:00,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:29:00,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:29:00,048 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:29:00,049 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:29:00,049 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:29:00,049 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:29:00,050 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:29:00,050 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:29:00,050 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:29:00,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:29:00,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:29:00,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:29:00,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:29:00,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:29:00,054 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:29:00,054 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 02:29:00,054 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 02:29:00,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:29:00,055 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:29:00,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:29:00,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:29:00,056 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 02:29:00,056 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:29:00,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:29:00,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:29:00,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:29:00,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:29:00,058 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 02:29:00,058 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 02:29:00,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:29:00,058 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:29:00,059 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:29:00,059 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_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78dc70726790e77f363f3f534b507edaca1714cde97bc3b7cdeb338176ca8d88 [2021-11-13 02:29:00,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:29:00,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:29:00,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:29:00,571 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:29:00,574 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:29:00,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i [2021-11-13 02:29:00,663 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/data/27168bf9f/969d9538f149401eb9c6d20d28a3b618/FLAG98f37071c [2021-11-13 02:29:01,775 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:29:01,776 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i [2021-11-13 02:29:01,836 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/data/27168bf9f/969d9538f149401eb9c6d20d28a3b618/FLAG98f37071c [2021-11-13 02:29:02,067 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/data/27168bf9f/969d9538f149401eb9c6d20d28a3b618 [2021-11-13 02:29:02,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:29:02,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:29:02,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:29:02,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:29:02,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:29:02,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:29:02" (1/1) ... [2021-11-13 02:29:02,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29d0f6fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:02, skipping insertion in model container [2021-11-13 02:29:02,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:29:02" (1/1) ... [2021-11-13 02:29:02,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:29:02,338 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:29:07,639 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439117,439130] [2021-11-13 02:29:07,642 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439262,439275] [2021-11-13 02:29:07,642 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439408,439421] [2021-11-13 02:29:07,643 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439573,439586] [2021-11-13 02:29:07,644 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439731,439744] [2021-11-13 02:29:07,654 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439889,439902] [2021-11-13 02:29:07,655 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440047,440060] [2021-11-13 02:29:07,655 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440207,440220] [2021-11-13 02:29:07,656 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440366,440379] [2021-11-13 02:29:07,656 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440505,440518] [2021-11-13 02:29:07,657 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440647,440660] [2021-11-13 02:29:07,658 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440796,440809] [2021-11-13 02:29:07,659 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440935,440948] [2021-11-13 02:29:07,659 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441090,441103] [2021-11-13 02:29:07,660 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441250,441263] [2021-11-13 02:29:07,660 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441401,441414] [2021-11-13 02:29:07,665 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441552,441565] [2021-11-13 02:29:07,668 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441704,441717] [2021-11-13 02:29:07,670 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441853,441866] [2021-11-13 02:29:07,670 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442001,442014] [2021-11-13 02:29:07,671 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442158,442171] [2021-11-13 02:29:07,672 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442307,442320] [2021-11-13 02:29:07,673 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442463,442476] [2021-11-13 02:29:07,676 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442616,442629] [2021-11-13 02:29:07,677 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442762,442775] [2021-11-13 02:29:07,678 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442905,442918] [2021-11-13 02:29:07,678 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443057,443070] [2021-11-13 02:29:07,679 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443203,443216] [2021-11-13 02:29:07,682 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443348,443361] [2021-11-13 02:29:07,683 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443502,443515] [2021-11-13 02:29:07,684 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443653,443666] [2021-11-13 02:29:07,685 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443808,443821] [2021-11-13 02:29:07,687 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443960,443973] [2021-11-13 02:29:07,688 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444115,444128] [2021-11-13 02:29:07,689 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444279,444292] [2021-11-13 02:29:07,690 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444435,444448] [2021-11-13 02:29:07,691 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444599,444612] [2021-11-13 02:29:07,691 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444741,444754] [2021-11-13 02:29:07,693 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444899,444912] [2021-11-13 02:29:07,693 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445066,445079] [2021-11-13 02:29:07,694 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445225,445238] [2021-11-13 02:29:07,695 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445384,445397] [2021-11-13 02:29:07,695 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445533,445546] [2021-11-13 02:29:07,696 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445680,445693] [2021-11-13 02:29:07,697 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445819,445832] [2021-11-13 02:29:07,697 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445982,445995] [2021-11-13 02:29:07,698 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446148,446161] [2021-11-13 02:29:07,700 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446312,446325] [2021-11-13 02:29:07,701 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446477,446490] [2021-11-13 02:29:07,701 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446642,446655] [2021-11-13 02:29:07,706 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446808,446821] [2021-11-13 02:29:07,706 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446973,446986] [2021-11-13 02:29:07,707 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447140,447153] [2021-11-13 02:29:07,708 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447300,447313] [2021-11-13 02:29:07,708 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447462,447475] [2021-11-13 02:29:07,709 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447621,447634] [2021-11-13 02:29:07,709 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447767,447780] [2021-11-13 02:29:07,710 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447910,447923] [2021-11-13 02:29:07,710 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448054,448067] [2021-11-13 02:29:07,711 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448197,448210] [2021-11-13 02:29:07,711 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448341,448354] [2021-11-13 02:29:07,712 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448482,448495] [2021-11-13 02:29:07,713 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448620,448633] [2021-11-13 02:29:07,713 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448778,448791] [2021-11-13 02:29:07,714 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448937,448950] [2021-11-13 02:29:07,715 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449093,449106] [2021-11-13 02:29:07,715 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449242,449255] [2021-11-13 02:29:07,716 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449394,449407] [2021-11-13 02:29:07,716 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449545,449558] [2021-11-13 02:29:07,717 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449694,449707] [2021-11-13 02:29:07,717 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449846,449859] [2021-11-13 02:29:07,718 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449994,450007] [2021-11-13 02:29:07,718 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450147,450160] [2021-11-13 02:29:07,719 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450298,450311] [2021-11-13 02:29:07,719 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450448,450461] [2021-11-13 02:29:07,720 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450595,450608] [2021-11-13 02:29:07,720 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450746,450759] [2021-11-13 02:29:07,721 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450897,450910] [2021-11-13 02:29:07,722 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451045,451058] [2021-11-13 02:29:07,722 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451211,451224] [2021-11-13 02:29:07,723 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451380,451393] [2021-11-13 02:29:07,723 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451547,451560] [2021-11-13 02:29:07,724 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451715,451728] [2021-11-13 02:29:07,724 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451865,451878] [2021-11-13 02:29:07,725 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452012,452025] [2021-11-13 02:29:07,725 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452173,452186] [2021-11-13 02:29:07,726 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452343,452356] [2021-11-13 02:29:07,726 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452505,452518] [2021-11-13 02:29:07,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:29:07,841 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 02:29:08,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:29:08,503 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439117,439130] [2021-11-13 02:29:08,504 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439262,439275] [2021-11-13 02:29:08,505 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439408,439421] [2021-11-13 02:29:08,505 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439573,439586] [2021-11-13 02:29:08,507 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439731,439744] [2021-11-13 02:29:08,508 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439889,439902] [2021-11-13 02:29:08,509 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440047,440060] [2021-11-13 02:29:08,509 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440207,440220] [2021-11-13 02:29:08,510 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440366,440379] [2021-11-13 02:29:08,510 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440505,440518] [2021-11-13 02:29:08,575 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440647,440660] [2021-11-13 02:29:08,576 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440796,440809] [2021-11-13 02:29:08,576 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440935,440948] [2021-11-13 02:29:08,577 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441090,441103] [2021-11-13 02:29:08,577 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441250,441263] [2021-11-13 02:29:08,578 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441401,441414] [2021-11-13 02:29:08,578 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441552,441565] [2021-11-13 02:29:08,578 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441704,441717] [2021-11-13 02:29:08,579 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441853,441866] [2021-11-13 02:29:08,579 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442001,442014] [2021-11-13 02:29:08,580 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442158,442171] [2021-11-13 02:29:08,580 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442307,442320] [2021-11-13 02:29:08,581 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442463,442476] [2021-11-13 02:29:08,581 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442616,442629] [2021-11-13 02:29:08,581 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442762,442775] [2021-11-13 02:29:08,582 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442905,442918] [2021-11-13 02:29:08,582 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443057,443070] [2021-11-13 02:29:08,583 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443203,443216] [2021-11-13 02:29:08,583 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443348,443361] [2021-11-13 02:29:08,583 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443502,443515] [2021-11-13 02:29:08,584 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443653,443666] [2021-11-13 02:29:08,584 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443808,443821] [2021-11-13 02:29:08,585 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443960,443973] [2021-11-13 02:29:08,585 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444115,444128] [2021-11-13 02:29:08,586 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444279,444292] [2021-11-13 02:29:08,586 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444435,444448] [2021-11-13 02:29:08,586 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444599,444612] [2021-11-13 02:29:08,587 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444741,444754] [2021-11-13 02:29:08,587 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444899,444912] [2021-11-13 02:29:08,588 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445066,445079] [2021-11-13 02:29:08,588 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445225,445238] [2021-11-13 02:29:08,588 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445384,445397] [2021-11-13 02:29:08,589 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445533,445546] [2021-11-13 02:29:08,589 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445680,445693] [2021-11-13 02:29:08,590 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445819,445832] [2021-11-13 02:29:08,590 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445982,445995] [2021-11-13 02:29:08,593 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446148,446161] [2021-11-13 02:29:08,593 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446312,446325] [2021-11-13 02:29:08,599 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446477,446490] [2021-11-13 02:29:08,600 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446642,446655] [2021-11-13 02:29:08,601 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446808,446821] [2021-11-13 02:29:08,601 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446973,446986] [2021-11-13 02:29:08,601 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447140,447153] [2021-11-13 02:29:08,602 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447300,447313] [2021-11-13 02:29:08,602 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447462,447475] [2021-11-13 02:29:08,603 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447621,447634] [2021-11-13 02:29:08,603 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447767,447780] [2021-11-13 02:29:08,603 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447910,447923] [2021-11-13 02:29:08,605 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448054,448067] [2021-11-13 02:29:08,606 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448197,448210] [2021-11-13 02:29:08,610 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448341,448354] [2021-11-13 02:29:08,611 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448482,448495] [2021-11-13 02:29:08,611 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448620,448633] [2021-11-13 02:29:08,612 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448778,448791] [2021-11-13 02:29:08,613 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448937,448950] [2021-11-13 02:29:08,614 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449093,449106] [2021-11-13 02:29:08,614 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449242,449255] [2021-11-13 02:29:08,615 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449394,449407] [2021-11-13 02:29:08,615 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449545,449558] [2021-11-13 02:29:08,622 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449694,449707] [2021-11-13 02:29:08,623 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449846,449859] [2021-11-13 02:29:08,623 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449994,450007] [2021-11-13 02:29:08,624 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450147,450160] [2021-11-13 02:29:08,624 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450298,450311] [2021-11-13 02:29:08,624 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450448,450461] [2021-11-13 02:29:08,625 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450595,450608] [2021-11-13 02:29:08,625 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450746,450759] [2021-11-13 02:29:08,626 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450897,450910] [2021-11-13 02:29:08,626 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451045,451058] [2021-11-13 02:29:08,626 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451211,451224] [2021-11-13 02:29:08,627 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451380,451393] [2021-11-13 02:29:08,627 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451547,451560] [2021-11-13 02:29:08,628 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451715,451728] [2021-11-13 02:29:08,628 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451865,451878] [2021-11-13 02:29:08,628 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452012,452025] [2021-11-13 02:29:08,629 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452173,452186] [2021-11-13 02:29:08,629 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452343,452356] [2021-11-13 02:29:08,629 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452505,452518] [2021-11-13 02:29:08,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:29:08,666 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:29:09,414 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439117,439130] [2021-11-13 02:29:09,414 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439262,439275] [2021-11-13 02:29:09,415 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439408,439421] [2021-11-13 02:29:09,415 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439573,439586] [2021-11-13 02:29:09,415 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439731,439744] [2021-11-13 02:29:09,416 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[439889,439902] [2021-11-13 02:29:09,417 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440047,440060] [2021-11-13 02:29:09,417 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440207,440220] [2021-11-13 02:29:09,417 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440366,440379] [2021-11-13 02:29:09,418 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440505,440518] [2021-11-13 02:29:09,418 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440647,440660] [2021-11-13 02:29:09,418 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440796,440809] [2021-11-13 02:29:09,419 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[440935,440948] [2021-11-13 02:29:09,419 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441090,441103] [2021-11-13 02:29:09,419 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441250,441263] [2021-11-13 02:29:09,420 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441401,441414] [2021-11-13 02:29:09,420 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441552,441565] [2021-11-13 02:29:09,421 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441704,441717] [2021-11-13 02:29:09,421 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[441853,441866] [2021-11-13 02:29:09,421 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442001,442014] [2021-11-13 02:29:09,422 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442158,442171] [2021-11-13 02:29:09,422 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442307,442320] [2021-11-13 02:29:09,422 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442463,442476] [2021-11-13 02:29:09,423 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442616,442629] [2021-11-13 02:29:09,424 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442762,442775] [2021-11-13 02:29:09,424 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[442905,442918] [2021-11-13 02:29:09,425 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443057,443070] [2021-11-13 02:29:09,426 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443203,443216] [2021-11-13 02:29:09,427 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443348,443361] [2021-11-13 02:29:09,427 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443502,443515] [2021-11-13 02:29:09,427 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443653,443666] [2021-11-13 02:29:09,428 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443808,443821] [2021-11-13 02:29:09,428 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[443960,443973] [2021-11-13 02:29:09,428 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444115,444128] [2021-11-13 02:29:09,429 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444279,444292] [2021-11-13 02:29:09,429 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444435,444448] [2021-11-13 02:29:09,429 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444599,444612] [2021-11-13 02:29:09,430 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444741,444754] [2021-11-13 02:29:09,430 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[444899,444912] [2021-11-13 02:29:09,431 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445066,445079] [2021-11-13 02:29:09,431 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445225,445238] [2021-11-13 02:29:09,431 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445384,445397] [2021-11-13 02:29:09,432 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445533,445546] [2021-11-13 02:29:09,432 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445680,445693] [2021-11-13 02:29:09,432 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445819,445832] [2021-11-13 02:29:09,433 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[445982,445995] [2021-11-13 02:29:09,433 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446148,446161] [2021-11-13 02:29:09,433 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446312,446325] [2021-11-13 02:29:09,434 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446477,446490] [2021-11-13 02:29:09,434 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446642,446655] [2021-11-13 02:29:09,435 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446808,446821] [2021-11-13 02:29:09,435 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[446973,446986] [2021-11-13 02:29:09,435 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447140,447153] [2021-11-13 02:29:09,436 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447300,447313] [2021-11-13 02:29:09,436 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447462,447475] [2021-11-13 02:29:09,436 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447621,447634] [2021-11-13 02:29:09,437 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447767,447780] [2021-11-13 02:29:09,437 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[447910,447923] [2021-11-13 02:29:09,437 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448054,448067] [2021-11-13 02:29:09,438 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448197,448210] [2021-11-13 02:29:09,438 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448341,448354] [2021-11-13 02:29:09,438 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448482,448495] [2021-11-13 02:29:09,439 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448620,448633] [2021-11-13 02:29:09,439 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448778,448791] [2021-11-13 02:29:09,440 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[448937,448950] [2021-11-13 02:29:09,440 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449093,449106] [2021-11-13 02:29:09,440 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449242,449255] [2021-11-13 02:29:09,441 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449394,449407] [2021-11-13 02:29:09,441 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449545,449558] [2021-11-13 02:29:09,441 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449694,449707] [2021-11-13 02:29:09,442 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449846,449859] [2021-11-13 02:29:09,442 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[449994,450007] [2021-11-13 02:29:09,442 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450147,450160] [2021-11-13 02:29:09,443 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450298,450311] [2021-11-13 02:29:09,443 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450448,450461] [2021-11-13 02:29:09,444 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450595,450608] [2021-11-13 02:29:09,444 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450746,450759] [2021-11-13 02:29:09,444 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[450897,450910] [2021-11-13 02:29:09,445 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451045,451058] [2021-11-13 02:29:09,445 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451211,451224] [2021-11-13 02:29:09,445 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451380,451393] [2021-11-13 02:29:09,446 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451547,451560] [2021-11-13 02:29:09,446 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451715,451728] [2021-11-13 02:29:09,446 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[451865,451878] [2021-11-13 02:29:09,447 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452012,452025] [2021-11-13 02:29:09,447 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452173,452186] [2021-11-13 02:29:09,447 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452343,452356] [2021-11-13 02:29:09,448 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i[452505,452518] [2021-11-13 02:29:09,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:29:09,923 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:29:09,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:09 WrapperNode [2021-11-13 02:29:09,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:29:09,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:29:09,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:29:09,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:29:09,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:09" (1/1) ... [2021-11-13 02:29:10,068 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:09" (1/1) ... [2021-11-13 02:29:10,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:29:10,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:29:10,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:29:10,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:29:10,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:09" (1/1) ... [2021-11-13 02:29:10,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:09" (1/1) ... [2021-11-13 02:29:10,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:09" (1/1) ... [2021-11-13 02:29:10,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:09" (1/1) ... [2021-11-13 02:29:10,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:09" (1/1) ... [2021-11-13 02:29:10,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:09" (1/1) ... [2021-11-13 02:29:10,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:09" (1/1) ... [2021-11-13 02:29:10,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:29:10,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:29:10,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:29:10,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:29:10,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:09" (1/1) ... [2021-11-13 02:29:10,827 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:29:10,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:29:10,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:29:10,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:29:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_prepare_fill [2021-11-13 02:29:10,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_prepare_fill [2021-11-13 02:29:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rnd_perf [2021-11-13 02:29:10,925 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rnd_perf [2021-11-13 02:29:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-13 02:29:10,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-13 02:29:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 02:29:10,925 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 02:29:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_verify_write [2021-11-13 02:29:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_verify_write [2021-11-13 02:29:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 02:29:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 02:29:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rate [2021-11-13 02:29:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rate [2021-11-13 02:29:10,926 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_verify_read [2021-11-13 02:29:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_verify_read [2021-11-13 02:29:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_no_highmem [2021-11-13 02:29:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_no_highmem [2021-11-13 02:29:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_prepare_write [2021-11-13 02:29:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_prepare_write [2021-11-13 02:29:10,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-13 02:29:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-13 02:29:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-11-13 02:29:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-11-13 02:29:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure __mmc_test_prepare [2021-11-13 02:29:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __mmc_test_prepare [2021-11-13 02:29:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_read_perf_max_scatter [2021-11-13 02:29:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_read_perf_max_scatter [2021-11-13 02:29:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-13 02:29:10,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-13 02:29:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_check_result [2021-11-13 02:29:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_check_result [2021-11-13 02:29:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-13 02:29:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-13 02:29:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_basic_write [2021-11-13 02:29:10,930 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_basic_write [2021-11-13 02:29:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure __mmc_test_register_dbgfs_file [2021-11-13 02:29:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __mmc_test_register_dbgfs_file [2021-11-13 02:29:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_align_read [2021-11-13 02:29:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_align_read [2021-11-13 02:29:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-13 02:29:10,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-13 02:29:10,931 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_broken_transfer [2021-11-13 02:29:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_broken_transfer [2021-11-13 02:29:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 02:29:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 02:29:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-11-13 02:29:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-11-13 02:29:10,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-13 02:29:10,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-13 02:29:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_cleanup [2021-11-13 02:29:10,933 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_cleanup [2021-11-13 02:29:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2021-11-13 02:29:10,933 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2021-11-13 02:29:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 02:29:10,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 02:29:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 02:29:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-11-13 02:29:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-11-13 02:29:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-13 02:29:10,934 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_large_seq_perf [2021-11-13 02:29:10,934 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_large_seq_perf [2021-11-13 02:29:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_io [2021-11-13 02:29:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_io [2021-11-13 02:29:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-13 02:29:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-13 02:29:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-13 02:29:10,935 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-13 02:29:10,935 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_free_mem [2021-11-13 02:29:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_free_mem [2021-11-13 02:29:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-13 02:29:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-13 02:29:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_sub [2021-11-13 02:29:10,936 INFO L138 BoogieDeclarations]: Found implementation of procedure timespec_sub [2021-11-13 02:29:10,936 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_prepare_erase [2021-11-13 02:29:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_prepare_erase [2021-11-13 02:29:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_mult_read_blocking_perf [2021-11-13 02:29:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_mult_read_blocking_perf [2021-11-13 02:29:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_free_result [2021-11-13 02:29:10,937 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_free_result [2021-11-13 02:29:10,937 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_print_avg_rate [2021-11-13 02:29:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_print_avg_rate [2021-11-13 02:29:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-13 02:29:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-13 02:29:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-13 02:29:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-13 02:29:10,938 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_performance [2021-11-13 02:29:10,938 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_performance [2021-11-13 02:29:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-13 02:29:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-13 02:29:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-13 02:29:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-13 02:29:10,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-13 02:29:10,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-13 02:29:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_erase [2021-11-13 02:29:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_erase [2021-11-13 02:29:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-13 02:29:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-13 02:29:10,940 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_init [2021-11-13 02:29:10,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_init [2021-11-13 02:29:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-13 02:29:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-13 02:29:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-13 02:29:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-13 02:29:10,941 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_xfersize_write [2021-11-13 02:29:10,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_xfersize_write [2021-11-13 02:29:10,942 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-13 02:29:10,943 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-13 02:29:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-13 02:29:10,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-13 02:29:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_read_performance [2021-11-13 02:29:10,947 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_read_performance [2021-11-13 02:29:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_nonblock_reset [2021-11-13 02:29:10,948 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_nonblock_reset [2021-11-13 02:29:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-11-13 02:29:10,948 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-11-13 02:29:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-13 02:29:10,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-13 02:29:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_mult_write_nonblock_perf [2021-11-13 02:29:10,950 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_mult_write_nonblock_perf [2021-11-13 02:29:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 02:29:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2021-11-13 02:29:10,951 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2021-11-13 02:29:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_sglen_r_blocking_perf [2021-11-13 02:29:10,951 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_sglen_r_blocking_perf [2021-11-13 02:29:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_pow2_write [2021-11-13 02:29:10,951 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_pow2_write [2021-11-13 02:29:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-11-13 02:29:10,952 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-11-13 02:29:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-13 02:29:10,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-13 02:29:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rw_multiple_sg_len [2021-11-13 02:29:10,952 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rw_multiple_sg_len [2021-11-13 02:29:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_large_seq_read_perf [2021-11-13 02:29:10,953 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_large_seq_read_perf [2021-11-13 02:29:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-13 02:29:10,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-13 02:29:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 02:29:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_xfersize_read [2021-11-13 02:29:10,953 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_xfersize_read [2021-11-13 02:29:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_simple_transfer [2021-11-13 02:29:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_simple_transfer [2021-11-13 02:29:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure sg_mark_end [2021-11-13 02:29:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_mark_end [2021-11-13 02:29:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rnd_num [2021-11-13 02:29:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rnd_num [2021-11-13 02:29:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_fill [2021-11-13 02:29:10,955 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_fill [2021-11-13 02:29:10,955 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_seq_read_perf [2021-11-13 02:29:10,955 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_seq_read_perf [2021-11-13 02:29:10,955 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_random_read_perf [2021-11-13 02:29:10,955 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_random_read_perf [2021-11-13 02:29:10,955 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_write_performance [2021-11-13 02:29:10,955 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_write_performance [2021-11-13 02:29:10,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-13 02:29:10,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-13 02:29:10,956 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_remove [2021-11-13 02:29:10,956 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_remove [2021-11-13 02:29:10,956 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-13 02:29:10,956 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-13 02:29:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_pow2_read [2021-11-13 02:29:10,957 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_pow2_read [2021-11-13 02:29:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_one [2021-11-13 02:29:10,957 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_one [2021-11-13 02:29:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:29:10,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:29:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_start_req [2021-11-13 02:29:10,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_start_req [2021-11-13 02:29:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_wait_busy [2021-11-13 02:29:10,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_wait_busy [2021-11-13 02:29:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-13 02:29:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-13 02:29:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 02:29:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-13 02:29:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 02:29:10,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 02:29:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_seq_read_perf [2021-11-13 02:29:10,959 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_seq_read_perf [2021-11-13 02:29:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_buffer_transfer [2021-11-13 02:29:10,959 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_buffer_transfer [2021-11-13 02:29:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-13 02:29:10,960 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-13 02:29:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_multi_read [2021-11-13 02:29:10,960 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_multi_read [2021-11-13 02:29:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mmc_test_lock [2021-11-13 02:29:10,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mmc_test_lock [2021-11-13 02:29:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-11-13 02:29:10,961 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-11-13 02:29:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_weird_write [2021-11-13 02:29:10,961 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_weird_write [2021-11-13 02:29:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_sglen_wr_blocking_perf [2021-11-13 02:29:10,961 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_sglen_wr_blocking_perf [2021-11-13 02:29:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 02:29:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 02:29:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_seq_write_perf [2021-11-13 02:29:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_seq_write_perf [2021-11-13 02:29:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_trim_perf [2021-11-13 02:29:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_trim_perf [2021-11-13 02:29:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_seq_write_perf [2021-11-13 02:29:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_seq_write_perf [2021-11-13 02:29:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-13 02:29:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-13 02:29:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure mtf_test_write [2021-11-13 02:29:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure mtf_test_write [2021-11-13 02:29:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_random_write_perf [2021-11-13 02:29:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_random_write_perf [2021-11-13 02:29:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-13 02:29:10,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-13 02:29:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_multi_xfersize_write [2021-11-13 02:29:10,964 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_multi_xfersize_write [2021-11-13 02:29:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:29:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-13 02:29:10,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-13 02:29:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_multi_xfersize_read [2021-11-13 02:29:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_multi_xfersize_read [2021-11-13 02:29:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_io_seq [2021-11-13 02:29:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_io_seq [2021-11-13 02:29:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-11-13 02:29:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-11-13 02:29:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_set_blksize [2021-11-13 02:29:10,966 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_set_blksize [2021-11-13 02:29:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 02:29:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_transfer [2021-11-13 02:29:10,966 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_transfer [2021-11-13 02:29:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_sglen_wr_nonblock_perf [2021-11-13 02:29:10,966 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_sglen_wr_nonblock_perf [2021-11-13 02:29:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_mult_read_nonblock_perf [2021-11-13 02:29:10,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_mult_read_nonblock_perf [2021-11-13 02:29:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rw_multiple_size [2021-11-13 02:29:10,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rw_multiple_size [2021-11-13 02:29:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_save_transfer_result [2021-11-13 02:29:10,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_save_transfer_result [2021-11-13 02:29:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-13 02:29:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_shutdown [2021-11-13 02:29:10,968 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_shutdown [2021-11-13 02:29:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-13 02:29:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 02:29:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_prepare_read [2021-11-13 02:29:10,968 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_prepare_read [2021-11-13 02:29:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 02:29:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2021-11-13 02:29:10,969 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2021-11-13 02:29:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_erase [2021-11-13 02:29:10,969 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_erase [2021-11-13 02:29:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_busy [2021-11-13 02:29:10,970 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_busy [2021-11-13 02:29:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_write_perf [2021-11-13 02:29:10,970 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_write_perf [2021-11-13 02:29:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_free_dbgfs_file [2021-11-13 02:29:10,970 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_free_dbgfs_file [2021-11-13 02:29:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-13 02:29:10,970 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-13 02:29:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-13 02:29:10,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-13 02:29:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_best_write_perf_max_scatter [2021-11-13 02:29:10,971 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_best_write_perf_max_scatter [2021-11-13 02:29:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-13 02:29:10,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-13 02:29:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_seq_perf [2021-11-13 02:29:10,972 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_seq_perf [2021-11-13 02:29:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-13 02:29:10,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-13 02:29:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_basic_read [2021-11-13 02:29:10,972 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_basic_read [2021-11-13 02:29:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-13 02:29:10,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-13 02:29:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-13 02:29:10,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-13 02:29:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-13 02:29:10,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-13 02:29:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_capacity [2021-11-13 02:29:10,973 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_capacity [2021-11-13 02:29:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-11-13 02:29:10,974 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-11-13 02:29:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_wait_for_req [2021-11-13 02:29:10,974 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_wait_for_req [2021-11-13 02:29:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-13 02:29:10,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-13 02:29:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_hw_reset [2021-11-13 02:29:10,975 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_hw_reset [2021-11-13 02:29:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_align_multi_write [2021-11-13 02:29:10,975 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_align_multi_write [2021-11-13 02:29:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-13 02:29:10,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-13 02:29:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 02:29:10,975 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 02:29:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_prepare_mrq [2021-11-13 02:29:10,976 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_prepare_mrq [2021-11-13 02:29:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-13 02:29:10,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-13 02:29:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_large_seq_write_perf [2021-11-13 02:29:10,976 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_large_seq_write_perf [2021-11-13 02:29:10,977 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_can_erase [2021-11-13 02:29:10,977 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_can_erase [2021-11-13 02:29:10,977 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_rw_multiple [2021-11-13 02:29:10,977 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_rw_multiple [2021-11-13 02:29:10,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-13 02:29:10,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-13 02:29:10,977 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-11-13 02:29:10,978 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-11-13 02:29:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 02:29:10,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 02:29:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_print_rate [2021-11-13 02:29:10,978 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_print_rate [2021-11-13 02:29:10,978 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_can_trim [2021-11-13 02:29:10,978 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_can_trim [2021-11-13 02:29:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_align_write [2021-11-13 02:29:10,979 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_align_write [2021-11-13 02:29:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-13 02:29:10,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-13 02:29:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_random_perf [2021-11-13 02:29:10,979 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_random_perf [2021-11-13 02:29:10,979 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_multi_write [2021-11-13 02:29:10,980 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_multi_write [2021-11-13 02:29:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_sglen_r_nonblock_perf [2021-11-13 02:29:10,980 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_sglen_r_nonblock_perf [2021-11-13 02:29:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mmc_test_lock [2021-11-13 02:29:10,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mmc_test_lock [2021-11-13 02:29:10,980 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_weird_read [2021-11-13 02:29:10,980 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_weird_read [2021-11-13 02:29:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_mult_write_blocking_perf [2021-11-13 02:29:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_mult_write_blocking_perf [2021-11-13 02:29:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_probe [2021-11-13 02:29:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_probe [2021-11-13 02:29:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-13 02:29:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-13 02:29:10,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-13 02:29:10,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-13 02:29:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_read_perf [2021-11-13 02:29:10,982 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_read_perf [2021-11-13 02:29:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_profile_seq_trim_perf [2021-11-13 02:29:10,982 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_profile_seq_trim_perf [2021-11-13 02:29:10,982 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2021-11-13 02:29:10,983 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2021-11-13 02:29:10,983 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_test_area_cleanup [2021-11-13 02:29:10,983 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_test_area_cleanup [2021-11-13 02:29:17,314 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 02:30:57,100 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:30:57,100 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 02:30:57,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:30:57 BoogieIcfgContainer [2021-11-13 02:30:57,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:30:57,108 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:30:57,108 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:30:57,111 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:30:57,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:29:02" (1/3) ... [2021-11-13 02:30:57,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d821adb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:30:57, skipping insertion in model container [2021-11-13 02:30:57,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:29:09" (2/3) ... [2021-11-13 02:30:57,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d821adb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:30:57, skipping insertion in model container [2021-11-13 02:30:57,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:30:57" (3/3) ... [2021-11-13 02:30:57,114 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--mmc--card--mmc_test.ko.cil.i [2021-11-13 02:30:57,122 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:30:57,122 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 25 error locations. [2021-11-13 02:30:57,181 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 02:30:57,187 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 02:30:57,187 INFO L340 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2021-11-13 02:30:57,264 INFO L276 IsEmpty]: Start isEmpty. Operand has 2975 states, 2056 states have (on average 1.2996108949416343) internal successors, (2672), 2149 states have internal predecessors, (2672), 735 states have call successors, (735), 159 states have call predecessors, (735), 158 states have return successors, (690), 683 states have call predecessors, (690), 690 states have call successors, (690) [2021-11-13 02:30:57,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 02:30:57,272 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:30:57,273 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] [2021-11-13 02:30:57,273 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 23 more)] === [2021-11-13 02:30:57,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:30:57,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1226151349, now seen corresponding path program 1 times [2021-11-13 02:30:57,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:30:57,296 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1300045038] [2021-11-13 02:30:57,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:30:57,297 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:30:57,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:30:57,300 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:30:57,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 02:30:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:30:59,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 1248 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:30:59,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:31:01,967 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:31:01,967 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:31:03,259 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:31:03,260 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:31:03,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1300045038] [2021-11-13 02:31:03,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1300045038] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:31:03,261 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:31:03,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:31:03,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871602019] [2021-11-13 02:31:03,263 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:31:03,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:31:03,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:31:03,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:31:03,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:31:03,316 INFO L87 Difference]: Start difference. First operand has 2975 states, 2056 states have (on average 1.2996108949416343) internal successors, (2672), 2149 states have internal predecessors, (2672), 735 states have call successors, (735), 159 states have call predecessors, (735), 158 states have return successors, (690), 683 states have call predecessors, (690), 690 states have call successors, (690) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-13 02:31:03,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:31:03,878 INFO L93 Difference]: Finished difference Result 5921 states and 8456 transitions. [2021-11-13 02:31:03,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:31:03,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 64 [2021-11-13 02:31:03,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:31:03,922 INFO L225 Difference]: With dead ends: 5921 [2021-11-13 02:31:03,922 INFO L226 Difference]: Without dead ends: 2917 [2021-11-13 02:31:03,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:31:03,952 INFO L933 BasicCegarLoop]: 4050 mSDtfsCounter, 4003 mSDsluCounter, 8096 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4005 SdHoareTripleChecker+Valid, 12146 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 57.92ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.15ms IncrementalHoareTripleChecker+Time [2021-11-13 02:31:03,953 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4005 Valid, 12146 Invalid, 2 Unknown, 0 Unchecked, 57.92ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 38.15ms Time] [2021-11-13 02:31:03,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2917 states. [2021-11-13 02:31:04,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2917 to 2917. [2021-11-13 02:31:04,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2917 states, 2046 states have (on average 1.2590420332355816) internal successors, (2576), 2094 states have internal predecessors, (2576), 690 states have call successors, (690), 158 states have call predecessors, (690), 157 states have return successors, (688), 681 states have call predecessors, (688), 688 states have call successors, (688) [2021-11-13 02:31:04,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 3954 transitions. [2021-11-13 02:31:04,226 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 3954 transitions. Word has length 64 [2021-11-13 02:31:04,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:31:04,228 INFO L470 AbstractCegarLoop]: Abstraction has 2917 states and 3954 transitions. [2021-11-13 02:31:04,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-13 02:31:04,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 3954 transitions. [2021-11-13 02:31:04,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 02:31:04,234 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:31:04,234 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:31:04,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-13 02:31:04,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:31:04,459 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-13 02:31:04,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:31:04,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1944128071, now seen corresponding path program 1 times [2021-11-13 02:31:04,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:31:04,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [68077214] [2021-11-13 02:31:04,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:31:04,464 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:31:04,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:31:04,465 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:31:04,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 02:31:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:31:06,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 1353 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 02:31:06,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:31:08,904 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 52 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-13 02:31:08,904 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:31:12,037 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-13 02:31:12,038 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:31:12,038 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [68077214] [2021-11-13 02:31:12,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [68077214] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 02:31:12,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1625230230] [2021-11-13 02:31:12,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:31:12,039 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-13 02:31:12,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-13 02:31:12,054 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-13 02:31:12,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2021-11-13 02:31:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:31:17,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 1353 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-13 02:31:17,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:31:20,213 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-13 02:31:20,213 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:31:22,043 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-13 02:31:22,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1625230230] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 02:31:22,044 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-13 02:31:22,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 8, 6] total 13 [2021-11-13 02:31:22,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025653448] [2021-11-13 02:31:22,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:31:22,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 02:31:22,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:31:22,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 02:31:22,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-11-13 02:31:22,048 INFO L87 Difference]: Start difference. First operand 2917 states and 3954 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12) [2021-11-13 02:31:22,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:31:22,977 INFO L93 Difference]: Finished difference Result 6878 states and 9388 transitions. [2021-11-13 02:31:22,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 02:31:22,979 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12) Word has length 80 [2021-11-13 02:31:22,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:31:23,023 INFO L225 Difference]: With dead ends: 6878 [2021-11-13 02:31:23,024 INFO L226 Difference]: Without dead ends: 3978 [2021-11-13 02:31:23,042 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-13 02:31:23,043 INFO L933 BasicCegarLoop]: 5455 mSDtfsCounter, 910 mSDsluCounter, 20585 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 239.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1229 SdHoareTripleChecker+Valid, 26040 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 66.69ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 252.99ms IncrementalHoareTripleChecker+Time [2021-11-13 02:31:23,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1229 Valid, 26040 Invalid, 12 Unknown, 0 Unchecked, 66.69ms Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 252.99ms Time] [2021-11-13 02:31:23,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3978 states. [2021-11-13 02:31:23,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3978 to 2917. [2021-11-13 02:31:23,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2917 states, 2046 states have (on average 1.258553274682307) internal successors, (2575), 2093 states have internal predecessors, (2575), 690 states have call successors, (690), 158 states have call predecessors, (690), 157 states have return successors, (688), 681 states have call predecessors, (688), 688 states have call successors, (688) [2021-11-13 02:31:23,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2917 states and 3953 transitions. [2021-11-13 02:31:23,317 INFO L78 Accepts]: Start accepts. Automaton has 2917 states and 3953 transitions. Word has length 80 [2021-11-13 02:31:23,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:31:23,318 INFO L470 AbstractCegarLoop]: Abstraction has 2917 states and 3953 transitions. [2021-11-13 02:31:23,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 4 states have call predecessors, (12), 3 states have call successors, (12) [2021-11-13 02:31:23,319 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 3953 transitions. [2021-11-13 02:31:23,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-13 02:31:23,327 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:31:23,327 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] [2021-11-13 02:31:23,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2021-11-13 02:31:23,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 02:31:23,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:31:23,756 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-13 02:31:23,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:31:23,757 INFO L85 PathProgramCache]: Analyzing trace with hash -2116106760, now seen corresponding path program 1 times [2021-11-13 02:31:23,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:31:23,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1231748494] [2021-11-13 02:31:23,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:31:23,760 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:31:23,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:31:23,760 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:31:23,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 02:31:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:31:25,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 1257 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:31:25,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:31:28,314 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:31:28,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:31:29,605 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:31:29,605 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:31:29,605 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1231748494] [2021-11-13 02:31:29,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1231748494] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:31:29,605 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:31:29,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:31:29,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157255884] [2021-11-13 02:31:29,606 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:31:29,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:31:29,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:31:29,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:31:29,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:31:29,608 INFO L87 Difference]: Start difference. First operand 2917 states and 3953 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-13 02:31:30,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:31:30,061 INFO L93 Difference]: Finished difference Result 2917 states and 3953 transitions. [2021-11-13 02:31:30,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:31:30,062 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 70 [2021-11-13 02:31:30,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:31:30,092 INFO L225 Difference]: With dead ends: 2917 [2021-11-13 02:31:30,092 INFO L226 Difference]: Without dead ends: 2915 [2021-11-13 02:31:30,100 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:31:30,103 INFO L933 BasicCegarLoop]: 3949 mSDtfsCounter, 3899 mSDsluCounter, 3947 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3901 SdHoareTripleChecker+Valid, 7896 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.37ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.91ms IncrementalHoareTripleChecker+Time [2021-11-13 02:31:30,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3901 Valid, 7896 Invalid, 2 Unknown, 0 Unchecked, 23.37ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 41.91ms Time] [2021-11-13 02:31:30,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2915 states. [2021-11-13 02:31:30,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2915 to 2915. [2021-11-13 02:31:30,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2915 states, 2045 states have (on average 1.2581907090464548) internal successors, (2573), 2091 states have internal predecessors, (2573), 690 states have call successors, (690), 158 states have call predecessors, (690), 157 states have return successors, (688), 681 states have call predecessors, (688), 688 states have call successors, (688) [2021-11-13 02:31:30,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2915 states to 2915 states and 3951 transitions. [2021-11-13 02:31:30,317 INFO L78 Accepts]: Start accepts. Automaton has 2915 states and 3951 transitions. Word has length 70 [2021-11-13 02:31:30,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:31:30,318 INFO L470 AbstractCegarLoop]: Abstraction has 2915 states and 3951 transitions. [2021-11-13 02:31:30,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-13 02:31:30,318 INFO L276 IsEmpty]: Start isEmpty. Operand 2915 states and 3951 transitions. [2021-11-13 02:31:30,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-13 02:31:30,321 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:31:30,322 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:31:30,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 02:31:30,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:31:30,547 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-13 02:31:30,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:31:30,548 INFO L85 PathProgramCache]: Analyzing trace with hash 851958006, now seen corresponding path program 1 times [2021-11-13 02:31:30,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:31:30,550 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1525795966] [2021-11-13 02:31:30,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:31:30,550 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:31:30,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:31:30,552 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:31:30,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 02:31:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:31:32,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 1364 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 02:31:32,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:31:35,837 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-13 02:31:35,838 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:31:37,261 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-13 02:31:37,261 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:31:37,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1525795966] [2021-11-13 02:31:37,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1525795966] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:31:37,261 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:31:37,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2021-11-13 02:31:37,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99492090] [2021-11-13 02:31:37,262 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:31:37,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 02:31:37,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:31:37,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 02:31:37,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-13 02:31:37,264 INFO L87 Difference]: Start difference. First operand 2915 states and 3951 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-13 02:31:38,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:31:38,463 INFO L93 Difference]: Finished difference Result 4438 states and 6039 transitions. [2021-11-13 02:31:38,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 02:31:38,464 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 84 [2021-11-13 02:31:38,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:31:38,509 INFO L225 Difference]: With dead ends: 4438 [2021-11-13 02:31:38,510 INFO L226 Difference]: Without dead ends: 4436 [2021-11-13 02:31:38,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-13 02:31:38,516 INFO L933 BasicCegarLoop]: 5317 mSDtfsCounter, 3810 mSDsluCounter, 18128 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 297.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3811 SdHoareTripleChecker+Valid, 23445 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 57.96ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 302.37ms IncrementalHoareTripleChecker+Time [2021-11-13 02:31:38,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3811 Valid, 23445 Invalid, 16 Unknown, 0 Unchecked, 57.96ms Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 302.37ms Time] [2021-11-13 02:31:38,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4436 states. [2021-11-13 02:31:38,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4436 to 4419. [2021-11-13 02:31:38,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4419 states, 3102 states have (on average 1.2827208252740168) internal successors, (3979), 3162 states have internal predecessors, (3979), 1020 states have call successors, (1020), 278 states have call predecessors, (1020), 274 states have return successors, (1022), 1002 states have call predecessors, (1022), 1018 states have call successors, (1022) [2021-11-13 02:31:38,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4419 states to 4419 states and 6021 transitions. [2021-11-13 02:31:38,885 INFO L78 Accepts]: Start accepts. Automaton has 4419 states and 6021 transitions. Word has length 84 [2021-11-13 02:31:38,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:31:38,886 INFO L470 AbstractCegarLoop]: Abstraction has 4419 states and 6021 transitions. [2021-11-13 02:31:38,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-13 02:31:38,887 INFO L276 IsEmpty]: Start isEmpty. Operand 4419 states and 6021 transitions. [2021-11-13 02:31:38,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-13 02:31:38,888 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:31:38,889 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:31:38,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-13 02:31:39,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:31:39,115 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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 23 more)] === [2021-11-13 02:31:39,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:31:39,116 INFO L85 PathProgramCache]: Analyzing trace with hash 215386504, now seen corresponding path program 1 times [2021-11-13 02:31:39,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:31:39,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [649977264] [2021-11-13 02:31:39,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:31:39,118 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:31:39,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:31:39,119 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:31:39,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-13 02:31:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:31:40,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 1266 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:31:40,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:31:43,704 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:31:43,704 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:31:45,007 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:31:45,008 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:31:45,008 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [649977264] [2021-11-13 02:31:45,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [649977264] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:31:45,008 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:31:45,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:31:45,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929652896] [2021-11-13 02:31:45,008 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:31:45,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:31:45,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:31:45,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:31:45,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:31:45,010 INFO L87 Difference]: Start difference. First operand 4419 states and 6021 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-13 02:31:45,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:31:45,489 INFO L93 Difference]: Finished difference Result 4419 states and 6021 transitions. [2021-11-13 02:31:45,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:31:45,490 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 76 [2021-11-13 02:31:45,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:31:45,530 INFO L225 Difference]: With dead ends: 4419 [2021-11-13 02:31:45,531 INFO L226 Difference]: Without dead ends: 4417 [2021-11-13 02:31:45,538 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:31:45,539 INFO L933 BasicCegarLoop]: 3947 mSDtfsCounter, 3891 mSDsluCounter, 3945 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3893 SdHoareTripleChecker+Valid, 7892 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.43ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.31ms IncrementalHoareTripleChecker+Time [2021-11-13 02:31:45,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3893 Valid, 7892 Invalid, 2 Unknown, 0 Unchecked, 25.43ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 43.31ms Time] [2021-11-13 02:31:45,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4417 states. [2021-11-13 02:31:45,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4417 to 4417. [2021-11-13 02:31:45,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4417 states, 3101 states have (on average 1.2824895195098356) internal successors, (3977), 3160 states have internal predecessors, (3977), 1020 states have call successors, (1020), 278 states have call predecessors, (1020), 274 states have return successors, (1022), 1002 states have call predecessors, (1022), 1018 states have call successors, (1022) [2021-11-13 02:31:45,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4417 states to 4417 states and 6019 transitions. [2021-11-13 02:31:45,943 INFO L78 Accepts]: Start accepts. Automaton has 4417 states and 6019 transitions. Word has length 76 [2021-11-13 02:31:45,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:31:45,943 INFO L470 AbstractCegarLoop]: Abstraction has 4417 states and 6019 transitions. [2021-11-13 02:31:45,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-13 02:31:45,944 INFO L276 IsEmpty]: Start isEmpty. Operand 4417 states and 6019 transitions. [2021-11-13 02:31:45,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-13 02:31:45,950 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:31:45,951 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:31:45,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-13 02:31:46,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:31:46,175 INFO L402 AbstractCegarLoop]: === Iteration 6 === 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 23 more)] === [2021-11-13 02:31:46,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:31:46,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1636398883, now seen corresponding path program 1 times [2021-11-13 02:31:46,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:31:46,177 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1970744222] [2021-11-13 02:31:46,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:31:46,177 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:31:46,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:31:46,178 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:31:46,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-13 02:31:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:31:47,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 1275 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:31:47,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:31:50,866 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:31:50,866 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:31:52,197 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:31:52,197 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:31:52,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1970744222] [2021-11-13 02:31:52,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1970744222] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:31:52,197 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:31:52,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:31:52,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795023497] [2021-11-13 02:31:52,198 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:31:52,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:31:52,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:31:52,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:31:52,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:31:52,200 INFO L87 Difference]: Start difference. First operand 4417 states and 6019 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-13 02:31:52,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:31:52,666 INFO L93 Difference]: Finished difference Result 4417 states and 6019 transitions. [2021-11-13 02:31:52,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:31:52,667 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 82 [2021-11-13 02:31:52,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:31:52,707 INFO L225 Difference]: With dead ends: 4417 [2021-11-13 02:31:52,708 INFO L226 Difference]: Without dead ends: 4415 [2021-11-13 02:31:52,712 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:31:52,713 INFO L933 BasicCegarLoop]: 3945 mSDtfsCounter, 3880 mSDsluCounter, 7886 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3882 SdHoareTripleChecker+Valid, 11831 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 28.84ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.14ms IncrementalHoareTripleChecker+Time [2021-11-13 02:31:52,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3882 Valid, 11831 Invalid, 2 Unknown, 0 Unchecked, 28.84ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 44.14ms Time] [2021-11-13 02:31:52,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4415 states. [2021-11-13 02:31:53,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4415 to 4415. [2021-11-13 02:31:53,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4415 states, 3100 states have (on average 1.282258064516129) internal successors, (3975), 3158 states have internal predecessors, (3975), 1020 states have call successors, (1020), 278 states have call predecessors, (1020), 274 states have return successors, (1022), 1002 states have call predecessors, (1022), 1018 states have call successors, (1022) [2021-11-13 02:31:53,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4415 states to 4415 states and 6017 transitions. [2021-11-13 02:31:53,115 INFO L78 Accepts]: Start accepts. Automaton has 4415 states and 6017 transitions. Word has length 82 [2021-11-13 02:31:53,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:31:53,117 INFO L470 AbstractCegarLoop]: Abstraction has 4415 states and 6017 transitions. [2021-11-13 02:31:53,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-13 02:31:53,118 INFO L276 IsEmpty]: Start isEmpty. Operand 4415 states and 6017 transitions. [2021-11-13 02:31:53,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-13 02:31:53,122 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:31:53,122 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-13 02:31:53,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-13 02:31:53,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:31:53,344 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-13 02:31:53,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:31:53,344 INFO L85 PathProgramCache]: Analyzing trace with hash 757219010, now seen corresponding path program 1 times [2021-11-13 02:31:53,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:31:53,346 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1386041589] [2021-11-13 02:31:53,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:31:53,347 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:31:53,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:31:53,349 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:31:53,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-13 02:31:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:31:55,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 1306 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 02:31:55,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:32:01,082 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 02:32:01,083 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:32:05,690 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-13 02:32:05,691 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:32:05,691 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1386041589] [2021-11-13 02:32:05,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1386041589] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 02:32:05,691 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1342596470] [2021-11-13 02:32:05,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:32:05,691 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-13 02:32:05,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-13 02:32:05,692 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-13 02:32:05,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-11-13 02:32:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:32:07,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 1306 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 02:32:07,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:32:09,426 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 02:32:09,427 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:32:11,959 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 02:32:11,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1342596470] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:32:11,959 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-13 02:32:11,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [17, 17] total 26 [2021-11-13 02:32:11,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093738093] [2021-11-13 02:32:11,960 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:32:11,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 02:32:11,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:32:11,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 02:32:11,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=594, Unknown=0, NotChecked=0, Total=650 [2021-11-13 02:32:11,962 INFO L87 Difference]: Start difference. First operand 4415 states and 6017 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (17), 5 states have call predecessors, (17), 3 states have return successors, (13), 3 states have call predecessors, (13), 1 states have call successors, (13) [2021-11-13 02:32:14,196 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:32:17,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:32:17,320 INFO L93 Difference]: Finished difference Result 4432 states and 6033 transitions. [2021-11-13 02:32:17,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 02:32:17,322 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (17), 5 states have call predecessors, (17), 3 states have return successors, (13), 3 states have call predecessors, (13), 1 states have call successors, (13) Word has length 86 [2021-11-13 02:32:17,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:32:17,406 INFO L225 Difference]: With dead ends: 4432 [2021-11-13 02:32:17,408 INFO L226 Difference]: Without dead ends: 4430 [2021-11-13 02:32:17,410 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=71, Invalid=685, Unknown=0, NotChecked=0, Total=756 [2021-11-13 02:32:17,411 INFO L933 BasicCegarLoop]: 4993 mSDtfsCounter, 3653 mSDsluCounter, 18824 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 698 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3744.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3654 SdHoareTripleChecker+Valid, 23817 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 55.91ms SdHoareTripleChecker+Time, 698 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4109.47ms IncrementalHoareTripleChecker+Time [2021-11-13 02:32:17,412 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3654 Valid, 23817 Invalid, 713 Unknown, 0 Unchecked, 55.91ms Time], IncrementalHoareTripleChecker [698 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 4109.47ms Time] [2021-11-13 02:32:17,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4430 states. [2021-11-13 02:32:17,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4430 to 4424. [2021-11-13 02:32:17,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4424 states, 3106 states have (on average 1.281712813908564) internal successors, (3981), 3164 states have internal predecessors, (3981), 1022 states have call successors, (1022), 280 states have call predecessors, (1022), 275 states have return successors, (1024), 1003 states have call predecessors, (1024), 1020 states have call successors, (1024) [2021-11-13 02:32:17,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4424 states to 4424 states and 6027 transitions. [2021-11-13 02:32:17,716 INFO L78 Accepts]: Start accepts. Automaton has 4424 states and 6027 transitions. Word has length 86 [2021-11-13 02:32:17,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:32:17,716 INFO L470 AbstractCegarLoop]: Abstraction has 4424 states and 6027 transitions. [2021-11-13 02:32:17,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (17), 5 states have call predecessors, (17), 3 states have return successors, (13), 3 states have call predecessors, (13), 1 states have call successors, (13) [2021-11-13 02:32:17,717 INFO L276 IsEmpty]: Start isEmpty. Operand 4424 states and 6027 transitions. [2021-11-13 02:32:17,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-13 02:32:17,718 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:32:17,719 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:32:17,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-11-13 02:32:17,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-13 02:32:18,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:32:18,135 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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 23 more)] === [2021-11-13 02:32:18,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:32:18,136 INFO L85 PathProgramCache]: Analyzing trace with hash -170971874, now seen corresponding path program 1 times [2021-11-13 02:32:18,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:32:18,138 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1079087055] [2021-11-13 02:32:18,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:32:18,138 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:32:18,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:32:18,139 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:32:18,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-13 02:32:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:32:19,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 1284 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:32:19,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:32:22,886 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:32:22,887 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:32:24,260 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:32:24,260 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:32:24,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1079087055] [2021-11-13 02:32:24,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1079087055] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:32:24,260 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:32:24,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:32:24,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556856026] [2021-11-13 02:32:24,261 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:32:24,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:32:24,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:32:24,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:32:24,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:32:24,262 INFO L87 Difference]: Start difference. First operand 4424 states and 6027 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-13 02:32:24,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:32:24,729 INFO L93 Difference]: Finished difference Result 4424 states and 6027 transitions. [2021-11-13 02:32:24,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:32:24,730 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 88 [2021-11-13 02:32:24,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:32:24,767 INFO L225 Difference]: With dead ends: 4424 [2021-11-13 02:32:24,768 INFO L226 Difference]: Without dead ends: 4422 [2021-11-13 02:32:24,772 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:32:24,773 INFO L933 BasicCegarLoop]: 3943 mSDtfsCounter, 3875 mSDsluCounter, 3941 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3877 SdHoareTripleChecker+Valid, 7884 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.86ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.12ms IncrementalHoareTripleChecker+Time [2021-11-13 02:32:24,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3877 Valid, 7884 Invalid, 2 Unknown, 0 Unchecked, 18.86ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 33.12ms Time] [2021-11-13 02:32:24,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4422 states. [2021-11-13 02:32:25,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4422 to 4422. [2021-11-13 02:32:25,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4422 states, 3105 states have (on average 1.2814814814814814) internal successors, (3979), 3162 states have internal predecessors, (3979), 1022 states have call successors, (1022), 280 states have call predecessors, (1022), 275 states have return successors, (1024), 1003 states have call predecessors, (1024), 1020 states have call successors, (1024) [2021-11-13 02:32:25,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4422 states to 4422 states and 6025 transitions. [2021-11-13 02:32:25,107 INFO L78 Accepts]: Start accepts. Automaton has 4422 states and 6025 transitions. Word has length 88 [2021-11-13 02:32:25,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:32:25,107 INFO L470 AbstractCegarLoop]: Abstraction has 4422 states and 6025 transitions. [2021-11-13 02:32:25,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-13 02:32:25,108 INFO L276 IsEmpty]: Start isEmpty. Operand 4422 states and 6025 transitions. [2021-11-13 02:32:25,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-13 02:32:25,111 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:32:25,111 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:32:25,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-13 02:32:25,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:32:25,327 INFO L402 AbstractCegarLoop]: === Iteration 9 === 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 23 more)] === [2021-11-13 02:32:25,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:32:25,327 INFO L85 PathProgramCache]: Analyzing trace with hash -2016038149, now seen corresponding path program 1 times [2021-11-13 02:32:25,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:32:25,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1363962014] [2021-11-13 02:32:25,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:32:25,329 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:32:25,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:32:25,331 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:32:25,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-13 02:32:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:32:27,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 1293 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:32:27,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:32:30,173 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:32:30,173 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:32:31,504 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:32:31,504 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:32:31,504 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1363962014] [2021-11-13 02:32:31,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1363962014] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:32:31,505 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:32:31,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:32:31,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741588032] [2021-11-13 02:32:31,505 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:32:31,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:32:31,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:32:31,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:32:31,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:32:31,507 INFO L87 Difference]: Start difference. First operand 4422 states and 6025 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-13 02:32:31,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:32:31,930 INFO L93 Difference]: Finished difference Result 4422 states and 6025 transitions. [2021-11-13 02:32:31,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:32:31,930 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 94 [2021-11-13 02:32:31,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:32:31,950 INFO L225 Difference]: With dead ends: 4422 [2021-11-13 02:32:31,950 INFO L226 Difference]: Without dead ends: 4420 [2021-11-13 02:32:31,954 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:32:31,957 INFO L933 BasicCegarLoop]: 3941 mSDtfsCounter, 3867 mSDsluCounter, 3939 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3869 SdHoareTripleChecker+Valid, 7880 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.88ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.11ms IncrementalHoareTripleChecker+Time [2021-11-13 02:32:31,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3869 Valid, 7880 Invalid, 2 Unknown, 0 Unchecked, 16.88ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 39.11ms Time] [2021-11-13 02:32:31,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4420 states. [2021-11-13 02:32:32,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4420 to 4420. [2021-11-13 02:32:32,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4420 states, 3104 states have (on average 1.28125) internal successors, (3977), 3160 states have internal predecessors, (3977), 1022 states have call successors, (1022), 280 states have call predecessors, (1022), 275 states have return successors, (1024), 1003 states have call predecessors, (1024), 1020 states have call successors, (1024) [2021-11-13 02:32:32,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4420 states to 4420 states and 6023 transitions. [2021-11-13 02:32:32,310 INFO L78 Accepts]: Start accepts. Automaton has 4420 states and 6023 transitions. Word has length 94 [2021-11-13 02:32:32,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:32:32,311 INFO L470 AbstractCegarLoop]: Abstraction has 4420 states and 6023 transitions. [2021-11-13 02:32:32,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-13 02:32:32,311 INFO L276 IsEmpty]: Start isEmpty. Operand 4420 states and 6023 transitions. [2021-11-13 02:32:32,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-13 02:32:32,315 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:32:32,316 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:32:32,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-13 02:32:32,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:32:32,540 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-13 02:32:32,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:32:32,541 INFO L85 PathProgramCache]: Analyzing trace with hash 290580864, now seen corresponding path program 1 times [2021-11-13 02:32:32,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:32:32,542 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [330788862] [2021-11-13 02:32:32,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:32:32,543 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:32:32,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:32:32,544 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:32:32,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-13 02:32:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:32:34,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 1434 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:32:34,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:32:35,141 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-13 02:32:35,142 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:32:36,068 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-13 02:32:36,068 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:32:36,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [330788862] [2021-11-13 02:32:36,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [330788862] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:32:36,069 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:32:36,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-13 02:32:36,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745828201] [2021-11-13 02:32:36,069 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:32:36,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 02:32:36,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:32:36,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 02:32:36,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-13 02:32:36,071 INFO L87 Difference]: Start difference. First operand 4420 states and 6023 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-13 02:32:37,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:32:37,049 INFO L93 Difference]: Finished difference Result 8828 states and 12042 transitions. [2021-11-13 02:32:37,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 02:32:37,049 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 110 [2021-11-13 02:32:37,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:32:37,071 INFO L225 Difference]: With dead ends: 8828 [2021-11-13 02:32:37,072 INFO L226 Difference]: Without dead ends: 4427 [2021-11-13 02:32:37,097 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-13 02:32:37,098 INFO L933 BasicCegarLoop]: 3940 mSDtfsCounter, 16 mSDsluCounter, 15757 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 298.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 19697 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.77ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 302.79ms IncrementalHoareTripleChecker+Time [2021-11-13 02:32:37,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 19697 Invalid, 20 Unknown, 0 Unchecked, 27.77ms Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 302.79ms Time] [2021-11-13 02:32:37,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4427 states. [2021-11-13 02:32:37,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4427 to 4423. [2021-11-13 02:32:37,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4423 states, 3107 states have (on average 1.2809784357901512) internal successors, (3980), 3163 states have internal predecessors, (3980), 1022 states have call successors, (1022), 280 states have call predecessors, (1022), 275 states have return successors, (1024), 1003 states have call predecessors, (1024), 1020 states have call successors, (1024) [2021-11-13 02:32:37,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4423 states to 4423 states and 6026 transitions. [2021-11-13 02:32:37,483 INFO L78 Accepts]: Start accepts. Automaton has 4423 states and 6026 transitions. Word has length 110 [2021-11-13 02:32:37,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:32:37,484 INFO L470 AbstractCegarLoop]: Abstraction has 4423 states and 6026 transitions. [2021-11-13 02:32:37,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-13 02:32:37,484 INFO L276 IsEmpty]: Start isEmpty. Operand 4423 states and 6026 transitions. [2021-11-13 02:32:37,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-13 02:32:37,486 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:32:37,486 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:32:37,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-13 02:32:37,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:32:37,700 INFO L402 AbstractCegarLoop]: === Iteration 11 === 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 23 more)] === [2021-11-13 02:32:37,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:32:37,700 INFO L85 PathProgramCache]: Analyzing trace with hash 758936677, now seen corresponding path program 1 times [2021-11-13 02:32:37,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:32:37,702 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [543484721] [2021-11-13 02:32:37,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:32:37,702 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:32:37,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:32:37,703 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:32:37,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-13 02:32:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:32:39,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 1302 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:32:39,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:32:42,651 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:32:42,651 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:32:44,017 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:32:44,017 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:32:44,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [543484721] [2021-11-13 02:32:44,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [543484721] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:32:44,017 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:32:44,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:32:44,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118485575] [2021-11-13 02:32:44,018 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:32:44,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:32:44,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:32:44,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:32:44,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:32:44,020 INFO L87 Difference]: Start difference. First operand 4423 states and 6026 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-13 02:32:44,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:32:44,418 INFO L93 Difference]: Finished difference Result 4423 states and 6026 transitions. [2021-11-13 02:32:44,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:32:44,419 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 100 [2021-11-13 02:32:44,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:32:44,436 INFO L225 Difference]: With dead ends: 4423 [2021-11-13 02:32:44,437 INFO L226 Difference]: Without dead ends: 4421 [2021-11-13 02:32:44,439 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:32:44,440 INFO L933 BasicCegarLoop]: 3939 mSDtfsCounter, 3859 mSDsluCounter, 3937 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3861 SdHoareTripleChecker+Valid, 7876 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.82ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.95ms IncrementalHoareTripleChecker+Time [2021-11-13 02:32:44,440 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3861 Valid, 7876 Invalid, 2 Unknown, 0 Unchecked, 13.82ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 32.95ms Time] [2021-11-13 02:32:44,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4421 states. [2021-11-13 02:32:44,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4421 to 4421. [2021-11-13 02:32:44,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4421 states, 3106 states have (on average 1.2807469414037347) internal successors, (3978), 3161 states have internal predecessors, (3978), 1022 states have call successors, (1022), 280 states have call predecessors, (1022), 275 states have return successors, (1024), 1003 states have call predecessors, (1024), 1020 states have call successors, (1024) [2021-11-13 02:32:44,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4421 states to 4421 states and 6024 transitions. [2021-11-13 02:32:44,754 INFO L78 Accepts]: Start accepts. Automaton has 4421 states and 6024 transitions. Word has length 100 [2021-11-13 02:32:44,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:32:44,757 INFO L470 AbstractCegarLoop]: Abstraction has 4421 states and 6024 transitions. [2021-11-13 02:32:44,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-13 02:32:44,757 INFO L276 IsEmpty]: Start isEmpty. Operand 4421 states and 6024 transitions. [2021-11-13 02:32:44,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-13 02:32:44,762 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:32:44,762 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:32:44,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-13 02:32:44,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:32:44,971 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-13 02:32:44,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:32:44,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1792455751, now seen corresponding path program 1 times [2021-11-13 02:32:44,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:32:44,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [52258863] [2021-11-13 02:32:44,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:32:44,973 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:32:44,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:32:44,975 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:32:44,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-13 02:32:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:32:46,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 1445 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 02:32:46,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:32:47,896 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-13 02:32:47,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:32:48,688 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-13 02:32:48,689 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:32:48,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [52258863] [2021-11-13 02:32:48,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [52258863] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:32:48,689 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:32:48,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-13 02:32:48,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369040663] [2021-11-13 02:32:48,689 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:32:48,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 02:32:48,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:32:48,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 02:32:48,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:32:48,690 INFO L87 Difference]: Start difference. First operand 4421 states and 6024 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-13 02:32:49,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:32:49,367 INFO L93 Difference]: Finished difference Result 8835 states and 12049 transitions. [2021-11-13 02:32:49,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 02:32:49,370 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 116 [2021-11-13 02:32:49,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:32:49,391 INFO L225 Difference]: With dead ends: 8835 [2021-11-13 02:32:49,392 INFO L226 Difference]: Without dead ends: 4433 [2021-11-13 02:32:49,415 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 02:32:49,416 INFO L933 BasicCegarLoop]: 3939 mSDtfsCounter, 17 mSDsluCounter, 15742 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 243.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 19681 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.49ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 249.73ms IncrementalHoareTripleChecker+Time [2021-11-13 02:32:49,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 19681 Invalid, 14 Unknown, 0 Unchecked, 19.49ms Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 249.73ms Time] [2021-11-13 02:32:49,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4433 states. [2021-11-13 02:32:49,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4433 to 4423. [2021-11-13 02:32:49,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4423 states, 3108 states have (on average 1.2805662805662805) internal successors, (3980), 3163 states have internal predecessors, (3980), 1022 states have call successors, (1022), 280 states have call predecessors, (1022), 275 states have return successors, (1024), 1003 states have call predecessors, (1024), 1020 states have call successors, (1024) [2021-11-13 02:32:49,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4423 states to 4423 states and 6026 transitions. [2021-11-13 02:32:49,786 INFO L78 Accepts]: Start accepts. Automaton has 4423 states and 6026 transitions. Word has length 116 [2021-11-13 02:32:49,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:32:49,789 INFO L470 AbstractCegarLoop]: Abstraction has 4423 states and 6026 transitions. [2021-11-13 02:32:49,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-13 02:32:49,789 INFO L276 IsEmpty]: Start isEmpty. Operand 4423 states and 6026 transitions. [2021-11-13 02:32:49,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-13 02:32:49,791 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:32:49,791 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:32:49,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-13 02:32:49,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:32:50,002 INFO L402 AbstractCegarLoop]: === Iteration 13 === 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 23 more)] === [2021-11-13 02:32:50,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:32:50,003 INFO L85 PathProgramCache]: Analyzing trace with hash 814393641, now seen corresponding path program 1 times [2021-11-13 02:32:50,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:32:50,004 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1161158177] [2021-11-13 02:32:50,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:32:50,004 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:32:50,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:32:50,005 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:32:50,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-13 02:32:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:32:51,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 1311 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:32:51,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:32:55,333 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:32:55,333 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:32:56,747 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:32:56,748 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:32:56,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1161158177] [2021-11-13 02:32:56,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1161158177] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:32:56,748 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:32:56,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:32:56,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818624326] [2021-11-13 02:32:56,748 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:32:56,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:32:56,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:32:56,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:32:56,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:32:56,750 INFO L87 Difference]: Start difference. First operand 4423 states and 6026 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-13 02:32:57,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:32:57,100 INFO L93 Difference]: Finished difference Result 4423 states and 6026 transitions. [2021-11-13 02:32:57,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:32:57,101 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 106 [2021-11-13 02:32:57,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:32:57,120 INFO L225 Difference]: With dead ends: 4423 [2021-11-13 02:32:57,120 INFO L226 Difference]: Without dead ends: 4421 [2021-11-13 02:32:57,123 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:32:57,124 INFO L933 BasicCegarLoop]: 3937 mSDtfsCounter, 3852 mSDsluCounter, 7862 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3854 SdHoareTripleChecker+Valid, 11799 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.31ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.95ms IncrementalHoareTripleChecker+Time [2021-11-13 02:32:57,125 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3854 Valid, 11799 Invalid, 2 Unknown, 0 Unchecked, 15.31ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 30.95ms Time] [2021-11-13 02:32:57,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4421 states. [2021-11-13 02:32:57,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4421 to 4421. [2021-11-13 02:32:57,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4421 states, 3107 states have (on average 1.2803347280334727) internal successors, (3978), 3161 states have internal predecessors, (3978), 1022 states have call successors, (1022), 280 states have call predecessors, (1022), 275 states have return successors, (1024), 1003 states have call predecessors, (1024), 1020 states have call successors, (1024) [2021-11-13 02:32:57,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4421 states to 4421 states and 6024 transitions. [2021-11-13 02:32:57,495 INFO L78 Accepts]: Start accepts. Automaton has 4421 states and 6024 transitions. Word has length 106 [2021-11-13 02:32:57,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:32:57,496 INFO L470 AbstractCegarLoop]: Abstraction has 4421 states and 6024 transitions. [2021-11-13 02:32:57,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-13 02:32:57,496 INFO L276 IsEmpty]: Start isEmpty. Operand 4421 states and 6024 transitions. [2021-11-13 02:32:57,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-13 02:32:57,499 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:32:57,499 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:32:57,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-13 02:32:57,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:32:57,715 INFO L402 AbstractCegarLoop]: === Iteration 14 === 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 23 more)] === [2021-11-13 02:32:57,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:32:57,715 INFO L85 PathProgramCache]: Analyzing trace with hash 948400524, now seen corresponding path program 1 times [2021-11-13 02:32:57,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:32:57,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1997881707] [2021-11-13 02:32:57,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:32:57,717 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:32:57,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:32:57,719 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:32:57,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-13 02:32:59,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:32:59,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 1314 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:32:59,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:33:02,949 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:33:02,949 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:33:04,422 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:33:04,422 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:33:04,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1997881707] [2021-11-13 02:33:04,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1997881707] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:33:04,422 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:33:04,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:33:04,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706805612] [2021-11-13 02:33:04,423 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:33:04,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:33:04,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:33:04,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:33:04,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:33:04,425 INFO L87 Difference]: Start difference. First operand 4421 states and 6024 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-13 02:33:04,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:33:04,808 INFO L93 Difference]: Finished difference Result 4421 states and 6024 transitions. [2021-11-13 02:33:04,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:33:04,808 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 108 [2021-11-13 02:33:04,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:33:04,825 INFO L225 Difference]: With dead ends: 4421 [2021-11-13 02:33:04,826 INFO L226 Difference]: Without dead ends: 4419 [2021-11-13 02:33:04,829 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:33:04,829 INFO L933 BasicCegarLoop]: 3935 mSDtfsCounter, 3844 mSDsluCounter, 7866 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3846 SdHoareTripleChecker+Valid, 11801 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.94ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.11ms IncrementalHoareTripleChecker+Time [2021-11-13 02:33:04,830 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3846 Valid, 11801 Invalid, 2 Unknown, 0 Unchecked, 13.94ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 31.11ms Time] [2021-11-13 02:33:04,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4419 states. [2021-11-13 02:33:05,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4419 to 4419. [2021-11-13 02:33:05,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4419 states, 3106 states have (on average 1.280103026400515) internal successors, (3976), 3159 states have internal predecessors, (3976), 1022 states have call successors, (1022), 280 states have call predecessors, (1022), 275 states have return successors, (1024), 1003 states have call predecessors, (1024), 1020 states have call successors, (1024) [2021-11-13 02:33:05,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4419 states to 4419 states and 6022 transitions. [2021-11-13 02:33:05,228 INFO L78 Accepts]: Start accepts. Automaton has 4419 states and 6022 transitions. Word has length 108 [2021-11-13 02:33:05,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:33:05,229 INFO L470 AbstractCegarLoop]: Abstraction has 4419 states and 6022 transitions. [2021-11-13 02:33:05,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-13 02:33:05,229 INFO L276 IsEmpty]: Start isEmpty. Operand 4419 states and 6022 transitions. [2021-11-13 02:33:05,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-13 02:33:05,232 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:33:05,232 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:33:05,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-13 02:33:05,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:33:05,452 INFO L402 AbstractCegarLoop]: === Iteration 15 === 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 23 more)] === [2021-11-13 02:33:05,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:33:05,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1698484064, now seen corresponding path program 1 times [2021-11-13 02:33:05,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:33:05,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1078833555] [2021-11-13 02:33:05,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:33:05,454 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:33:05,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:33:05,455 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:33:05,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-13 02:33:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:33:07,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 1323 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:33:07,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:33:10,866 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:33:10,866 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:33:12,318 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:33:12,318 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:33:12,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1078833555] [2021-11-13 02:33:12,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1078833555] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:33:12,318 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:33:12,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:33:12,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877703426] [2021-11-13 02:33:12,319 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:33:12,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:33:12,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:33:12,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:33:12,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:33:12,320 INFO L87 Difference]: Start difference. First operand 4419 states and 6022 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-13 02:33:12,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:33:12,704 INFO L93 Difference]: Finished difference Result 4419 states and 6022 transitions. [2021-11-13 02:33:12,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:33:12,705 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 114 [2021-11-13 02:33:12,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:33:12,722 INFO L225 Difference]: With dead ends: 4419 [2021-11-13 02:33:12,722 INFO L226 Difference]: Without dead ends: 4417 [2021-11-13 02:33:12,725 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:33:12,726 INFO L933 BasicCegarLoop]: 3933 mSDtfsCounter, 3836 mSDsluCounter, 7862 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3838 SdHoareTripleChecker+Valid, 11795 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.65ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.58ms IncrementalHoareTripleChecker+Time [2021-11-13 02:33:12,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3838 Valid, 11795 Invalid, 2 Unknown, 0 Unchecked, 14.65ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 30.58ms Time] [2021-11-13 02:33:12,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4417 states. [2021-11-13 02:33:13,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4417 to 4417. [2021-11-13 02:33:13,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4417 states, 3105 states have (on average 1.2798711755233494) internal successors, (3974), 3157 states have internal predecessors, (3974), 1022 states have call successors, (1022), 280 states have call predecessors, (1022), 275 states have return successors, (1024), 1003 states have call predecessors, (1024), 1020 states have call successors, (1024) [2021-11-13 02:33:13,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4417 states to 4417 states and 6020 transitions. [2021-11-13 02:33:13,166 INFO L78 Accepts]: Start accepts. Automaton has 4417 states and 6020 transitions. Word has length 114 [2021-11-13 02:33:13,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:33:13,167 INFO L470 AbstractCegarLoop]: Abstraction has 4417 states and 6020 transitions. [2021-11-13 02:33:13,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-13 02:33:13,167 INFO L276 IsEmpty]: Start isEmpty. Operand 4417 states and 6020 transitions. [2021-11-13 02:33:13,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-13 02:33:13,170 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:33:13,171 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:33:13,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-13 02:33:13,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:33:13,395 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-13 02:33:13,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:33:13,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1286415393, now seen corresponding path program 1 times [2021-11-13 02:33:13,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:33:13,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [392998954] [2021-11-13 02:33:13,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:33:13,397 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:33:13,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:33:13,399 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:33:13,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-13 02:33:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:33:15,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 1489 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-13 02:33:15,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:33:17,559 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-11-13 02:33:17,560 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:33:20,014 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-11-13 02:33:20,014 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:33:20,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [392998954] [2021-11-13 02:33:20,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [392998954] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:33:20,015 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:33:20,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-11-13 02:33:20,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058830925] [2021-11-13 02:33:20,015 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:33:20,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-13 02:33:20,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:33:20,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-13 02:33:20,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-13 02:33:20,017 INFO L87 Difference]: Start difference. First operand 4417 states and 6020 transitions. Second operand has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 10 states have internal predecessors, (71), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (19), 4 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-13 02:33:22,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:33:22,292 INFO L93 Difference]: Finished difference Result 8838 states and 12060 transitions. [2021-11-13 02:33:22,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 02:33:22,295 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 10 states have internal predecessors, (71), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (19), 4 states have call predecessors, (19), 2 states have call successors, (19) Word has length 128 [2021-11-13 02:33:22,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:33:22,314 INFO L225 Difference]: With dead ends: 8838 [2021-11-13 02:33:22,314 INFO L226 Difference]: Without dead ends: 4440 [2021-11-13 02:33:22,338 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-11-13 02:33:22,339 INFO L933 BasicCegarLoop]: 3938 mSDtfsCounter, 38 mSDsluCounter, 27542 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 754.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 31480 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.62ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 773.31ms IncrementalHoareTripleChecker+Time [2021-11-13 02:33:22,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 31480 Invalid, 53 Unknown, 0 Unchecked, 27.62ms Time], IncrementalHoareTripleChecker [8 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 773.31ms Time] [2021-11-13 02:33:22,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4440 states. [2021-11-13 02:33:22,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4440 to 4421. [2021-11-13 02:33:22,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4421 states, 3108 states have (on average 1.2796010296010296) internal successors, (3977), 3160 states have internal predecessors, (3977), 1022 states have call successors, (1022), 280 states have call predecessors, (1022), 276 states have return successors, (1029), 1004 states have call predecessors, (1029), 1020 states have call successors, (1029) [2021-11-13 02:33:22,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4421 states to 4421 states and 6028 transitions. [2021-11-13 02:33:22,752 INFO L78 Accepts]: Start accepts. Automaton has 4421 states and 6028 transitions. Word has length 128 [2021-11-13 02:33:22,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:33:22,753 INFO L470 AbstractCegarLoop]: Abstraction has 4421 states and 6028 transitions. [2021-11-13 02:33:22,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 10 states have internal predecessors, (71), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (19), 4 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-13 02:33:22,754 INFO L276 IsEmpty]: Start isEmpty. Operand 4421 states and 6028 transitions. [2021-11-13 02:33:22,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-13 02:33:22,756 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:33:22,756 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:33:22,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-13 02:33:22,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:33:22,983 INFO L402 AbstractCegarLoop]: === Iteration 17 === 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 23 more)] === [2021-11-13 02:33:22,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:33:22,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1473983631, now seen corresponding path program 1 times [2021-11-13 02:33:22,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:33:22,985 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1495257983] [2021-11-13 02:33:22,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:33:22,986 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:33:22,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:33:22,987 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:33:23,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-13 02:33:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:33:24,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 1332 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:33:24,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:33:28,762 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:33:28,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:33:30,141 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:33:30,141 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:33:30,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1495257983] [2021-11-13 02:33:30,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1495257983] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:33:30,141 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:33:30,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:33:30,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4918011] [2021-11-13 02:33:30,142 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:33:30,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:33:30,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:33:30,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:33:30,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:33:30,143 INFO L87 Difference]: Start difference. First operand 4421 states and 6028 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-13 02:33:30,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:33:30,520 INFO L93 Difference]: Finished difference Result 4421 states and 6028 transitions. [2021-11-13 02:33:30,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:33:30,522 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 120 [2021-11-13 02:33:30,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:33:30,534 INFO L225 Difference]: With dead ends: 4421 [2021-11-13 02:33:30,534 INFO L226 Difference]: Without dead ends: 4419 [2021-11-13 02:33:30,536 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:33:30,537 INFO L933 BasicCegarLoop]: 3931 mSDtfsCounter, 3831 mSDsluCounter, 3929 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3833 SdHoareTripleChecker+Valid, 7860 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.23ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.39ms IncrementalHoareTripleChecker+Time [2021-11-13 02:33:30,537 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3833 Valid, 7860 Invalid, 2 Unknown, 0 Unchecked, 10.23ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 28.39ms Time] [2021-11-13 02:33:30,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4419 states. [2021-11-13 02:33:30,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4419 to 4419. [2021-11-13 02:33:30,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4419 states, 3107 states have (on average 1.279369166398455) internal successors, (3975), 3158 states have internal predecessors, (3975), 1022 states have call successors, (1022), 280 states have call predecessors, (1022), 276 states have return successors, (1029), 1004 states have call predecessors, (1029), 1020 states have call successors, (1029) [2021-11-13 02:33:30,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4419 states to 4419 states and 6026 transitions. [2021-11-13 02:33:30,964 INFO L78 Accepts]: Start accepts. Automaton has 4419 states and 6026 transitions. Word has length 120 [2021-11-13 02:33:30,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:33:30,964 INFO L470 AbstractCegarLoop]: Abstraction has 4419 states and 6026 transitions. [2021-11-13 02:33:30,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-13 02:33:30,964 INFO L276 IsEmpty]: Start isEmpty. Operand 4419 states and 6026 transitions. [2021-11-13 02:33:30,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-13 02:33:30,967 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:33:30,967 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:33:31,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-13 02:33:31,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:33:31,175 INFO L402 AbstractCegarLoop]: === Iteration 18 === 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 23 more)] === [2021-11-13 02:33:31,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:33:31,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1049583209, now seen corresponding path program 1 times [2021-11-13 02:33:31,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:33:31,177 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1598398533] [2021-11-13 02:33:31,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:33:31,178 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:33:31,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:33:31,179 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:33:31,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-13 02:33:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:33:32,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 1341 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:33:32,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:33:36,610 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:33:36,611 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:33:38,136 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:33:38,136 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:33:38,136 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1598398533] [2021-11-13 02:33:38,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1598398533] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:33:38,136 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:33:38,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:33:38,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414157122] [2021-11-13 02:33:38,137 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:33:38,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:33:38,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:33:38,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:33:38,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:33:38,138 INFO L87 Difference]: Start difference. First operand 4419 states and 6026 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-13 02:33:38,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:33:38,576 INFO L93 Difference]: Finished difference Result 4419 states and 6026 transitions. [2021-11-13 02:33:38,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:33:38,576 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 126 [2021-11-13 02:33:38,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:33:38,591 INFO L225 Difference]: With dead ends: 4419 [2021-11-13 02:33:38,592 INFO L226 Difference]: Without dead ends: 4417 [2021-11-13 02:33:38,594 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:33:38,595 INFO L933 BasicCegarLoop]: 3929 mSDtfsCounter, 3823 mSDsluCounter, 3927 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3825 SdHoareTripleChecker+Valid, 7856 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.10ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.02ms IncrementalHoareTripleChecker+Time [2021-11-13 02:33:38,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3825 Valid, 7856 Invalid, 2 Unknown, 0 Unchecked, 11.10ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 28.02ms Time] [2021-11-13 02:33:38,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4417 states. [2021-11-13 02:33:39,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4417 to 4417. [2021-11-13 02:33:39,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4417 states, 3106 states have (on average 1.2791371538956857) internal successors, (3973), 3156 states have internal predecessors, (3973), 1022 states have call successors, (1022), 280 states have call predecessors, (1022), 276 states have return successors, (1029), 1004 states have call predecessors, (1029), 1020 states have call successors, (1029) [2021-11-13 02:33:39,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4417 states to 4417 states and 6024 transitions. [2021-11-13 02:33:39,029 INFO L78 Accepts]: Start accepts. Automaton has 4417 states and 6024 transitions. Word has length 126 [2021-11-13 02:33:39,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:33:39,031 INFO L470 AbstractCegarLoop]: Abstraction has 4417 states and 6024 transitions. [2021-11-13 02:33:39,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-13 02:33:39,031 INFO L276 IsEmpty]: Start isEmpty. Operand 4417 states and 6024 transitions. [2021-11-13 02:33:39,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-13 02:33:39,034 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:33:39,034 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:33:39,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-13 02:33:39,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:33:39,259 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-13 02:33:39,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:33:39,259 INFO L85 PathProgramCache]: Analyzing trace with hash -147380873, now seen corresponding path program 1 times [2021-11-13 02:33:39,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:33:39,261 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [676425281] [2021-11-13 02:33:39,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:33:39,261 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:33:39,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:33:39,263 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:33:39,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-13 02:33:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:33:41,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 1564 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:33:41,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:33:42,456 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-13 02:33:42,456 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:33:43,795 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 02:33:43,795 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:33:43,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [676425281] [2021-11-13 02:33:43,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [676425281] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:33:43,796 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:33:43,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-13 02:33:43,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031474816] [2021-11-13 02:33:43,796 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:33:43,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 02:33:43,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:33:43,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 02:33:43,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-13 02:33:43,797 INFO L87 Difference]: Start difference. First operand 4417 states and 6024 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 6 states have internal predecessors, (94), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 4 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-13 02:33:44,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:33:44,589 INFO L93 Difference]: Finished difference Result 8837 states and 12066 transitions. [2021-11-13 02:33:44,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-13 02:33:44,590 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 6 states have internal predecessors, (94), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 4 states have call predecessors, (28), 2 states have call successors, (28) Word has length 156 [2021-11-13 02:33:44,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:33:44,602 INFO L225 Difference]: With dead ends: 8837 [2021-11-13 02:33:44,603 INFO L226 Difference]: Without dead ends: 4439 [2021-11-13 02:33:44,619 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-13 02:33:44,619 INFO L933 BasicCegarLoop]: 3933 mSDtfsCounter, 13 mSDsluCounter, 19644 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 489.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 23577 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.04ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 497.81ms IncrementalHoareTripleChecker+Time [2021-11-13 02:33:44,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 23577 Invalid, 37 Unknown, 0 Unchecked, 18.04ms Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 497.81ms Time] [2021-11-13 02:33:44,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4439 states. [2021-11-13 02:33:45,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4439 to 4421. [2021-11-13 02:33:45,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4421 states, 3109 states have (on average 1.278867803152139) internal successors, (3976), 3159 states have internal predecessors, (3976), 1022 states have call successors, (1022), 280 states have call predecessors, (1022), 277 states have return successors, (1031), 1005 states have call predecessors, (1031), 1020 states have call successors, (1031) [2021-11-13 02:33:45,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4421 states to 4421 states and 6029 transitions. [2021-11-13 02:33:45,058 INFO L78 Accepts]: Start accepts. Automaton has 4421 states and 6029 transitions. Word has length 156 [2021-11-13 02:33:45,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:33:45,059 INFO L470 AbstractCegarLoop]: Abstraction has 4421 states and 6029 transitions. [2021-11-13 02:33:45,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 6 states have internal predecessors, (94), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 4 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-13 02:33:45,059 INFO L276 IsEmpty]: Start isEmpty. Operand 4421 states and 6029 transitions. [2021-11-13 02:33:45,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-13 02:33:45,061 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:33:45,061 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:33:45,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-13 02:33:45,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:33:45,287 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-13 02:33:45,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:33:45,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1039574305, now seen corresponding path program 1 times [2021-11-13 02:33:45,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:33:45,289 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [472164572] [2021-11-13 02:33:45,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:33:45,289 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:33:45,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:33:45,291 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:33:45,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-13 02:33:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:33:47,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 1521 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 02:33:47,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:33:51,829 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 02:33:51,829 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:33:53,929 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 02:33:53,930 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:33:53,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [472164572] [2021-11-13 02:33:53,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [472164572] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:33:53,930 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:33:53,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 6] imperfect sequences [] total 7 [2021-11-13 02:33:53,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679521689] [2021-11-13 02:33:53,930 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:33:53,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 02:33:53,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:33:53,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 02:33:53,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-13 02:33:53,934 INFO L87 Difference]: Start difference. First operand 4421 states and 6029 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-13 02:33:56,132 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 [] [2021-11-13 02:34:39,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:34:39,436 INFO L93 Difference]: Finished difference Result 8823 states and 12289 transitions. [2021-11-13 02:34:39,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 02:34:39,437 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) Word has length 144 [2021-11-13 02:34:39,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:34:39,455 INFO L225 Difference]: With dead ends: 8823 [2021-11-13 02:34:39,455 INFO L226 Difference]: Without dead ends: 4421 [2021-11-13 02:34:39,467 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-13 02:34:39,468 INFO L933 BasicCegarLoop]: 3927 mSDtfsCounter, 3843 mSDsluCounter, 12931 mSDsCounter, 0 mSdLazyCounter, 2769 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43753.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3847 SdHoareTripleChecker+Valid, 16858 SdHoareTripleChecker+Invalid, 2771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 45.85ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2769 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44644.55ms IncrementalHoareTripleChecker+Time [2021-11-13 02:34:39,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3847 Valid, 16858 Invalid, 2771 Unknown, 0 Unchecked, 45.85ms Time], IncrementalHoareTripleChecker [1 Valid, 2769 Invalid, 1 Unknown, 0 Unchecked, 44644.55ms Time] [2021-11-13 02:34:39,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4421 states. [2021-11-13 02:34:39,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4421 to 4421. [2021-11-13 02:34:39,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4421 states, 3109 states have (on average 1.2782245094885816) internal successors, (3974), 3159 states have internal predecessors, (3974), 1022 states have call successors, (1022), 280 states have call predecessors, (1022), 277 states have return successors, (1031), 1005 states have call predecessors, (1031), 1020 states have call successors, (1031) [2021-11-13 02:34:39,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4421 states to 4421 states and 6027 transitions. [2021-11-13 02:34:39,965 INFO L78 Accepts]: Start accepts. Automaton has 4421 states and 6027 transitions. Word has length 144 [2021-11-13 02:34:39,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:34:39,966 INFO L470 AbstractCegarLoop]: Abstraction has 4421 states and 6027 transitions. [2021-11-13 02:34:39,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-13 02:34:39,966 INFO L276 IsEmpty]: Start isEmpty. Operand 4421 states and 6027 transitions. [2021-11-13 02:34:39,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-13 02:34:39,969 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:34:39,969 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:34:40,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-13 02:34:40,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:34:40,191 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-13 02:34:40,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:34:40,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1039514723, now seen corresponding path program 1 times [2021-11-13 02:34:40,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:34:40,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2082536502] [2021-11-13 02:34:40,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:34:40,193 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:34:40,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:34:40,194 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:34:40,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-13 02:34:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:34:42,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 1521 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:34:42,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:34:42,617 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 02:34:42,617 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:34:43,160 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 02:34:43,161 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:34:43,161 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2082536502] [2021-11-13 02:34:43,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2082536502] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:34:43,161 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:34:43,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-13 02:34:43,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920870459] [2021-11-13 02:34:43,162 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:34:43,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 02:34:43,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:34:43,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 02:34:43,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:34:43,163 INFO L87 Difference]: Start difference. First operand 4421 states and 6027 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2021-11-13 02:34:43,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:34:43,636 INFO L93 Difference]: Finished difference Result 4421 states and 6027 transitions. [2021-11-13 02:34:43,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:34:43,636 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 144 [2021-11-13 02:34:43,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:34:43,649 INFO L225 Difference]: With dead ends: 4421 [2021-11-13 02:34:43,649 INFO L226 Difference]: Without dead ends: 4419 [2021-11-13 02:34:43,652 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 02:34:43,653 INFO L933 BasicCegarLoop]: 3926 mSDtfsCounter, 34 mSDsluCounter, 11744 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 15670 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.02ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.40ms IncrementalHoareTripleChecker+Time [2021-11-13 02:34:43,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 15670 Invalid, 4 Unknown, 0 Unchecked, 13.02ms Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 69.40ms Time] [2021-11-13 02:34:43,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4419 states. [2021-11-13 02:34:43,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4419 to 4419. [2021-11-13 02:34:43,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4419 states, 3108 states have (on average 1.2776705276705276) internal successors, (3971), 3157 states have internal predecessors, (3971), 1022 states have call successors, (1022), 280 states have call predecessors, (1022), 277 states have return successors, (1031), 1005 states have call predecessors, (1031), 1020 states have call successors, (1031) [2021-11-13 02:34:43,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4419 states to 4419 states and 6024 transitions. [2021-11-13 02:34:43,978 INFO L78 Accepts]: Start accepts. Automaton has 4419 states and 6024 transitions. Word has length 144 [2021-11-13 02:34:43,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:34:43,978 INFO L470 AbstractCegarLoop]: Abstraction has 4419 states and 6024 transitions. [2021-11-13 02:34:43,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2021-11-13 02:34:43,978 INFO L276 IsEmpty]: Start isEmpty. Operand 4419 states and 6024 transitions. [2021-11-13 02:34:43,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-13 02:34:43,981 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:34:43,981 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:34:44,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-11-13 02:34:44,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:34:44,187 INFO L402 AbstractCegarLoop]: === Iteration 22 === 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 23 more)] === [2021-11-13 02:34:44,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:34:44,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1636241709, now seen corresponding path program 1 times [2021-11-13 02:34:44,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:34:44,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [715684932] [2021-11-13 02:34:44,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:34:44,189 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:34:44,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:34:44,190 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:34:44,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-11-13 02:34:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:34:45,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 1350 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:34:45,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:34:49,697 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:34:49,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:34:51,118 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:34:51,118 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:34:51,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [715684932] [2021-11-13 02:34:51,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [715684932] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:34:51,119 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:34:51,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:34:51,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981388990] [2021-11-13 02:34:51,119 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:34:51,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:34:51,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:34:51,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:34:51,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:34:51,121 INFO L87 Difference]: Start difference. First operand 4419 states and 6024 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-13 02:34:51,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:34:51,532 INFO L93 Difference]: Finished difference Result 4419 states and 6024 transitions. [2021-11-13 02:34:51,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:34:51,533 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 132 [2021-11-13 02:34:51,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:34:51,546 INFO L225 Difference]: With dead ends: 4419 [2021-11-13 02:34:51,547 INFO L226 Difference]: Without dead ends: 4417 [2021-11-13 02:34:51,549 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:34:51,550 INFO L933 BasicCegarLoop]: 3924 mSDtfsCounter, 3812 mSDsluCounter, 3922 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3814 SdHoareTripleChecker+Valid, 7846 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.52ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.76ms IncrementalHoareTripleChecker+Time [2021-11-13 02:34:51,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3814 Valid, 7846 Invalid, 2 Unknown, 0 Unchecked, 10.52ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 28.76ms Time] [2021-11-13 02:34:51,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4417 states. [2021-11-13 02:34:51,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4417 to 4417. [2021-11-13 02:34:51,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4417 states, 3107 states have (on average 1.2774380431284198) internal successors, (3969), 3155 states have internal predecessors, (3969), 1022 states have call successors, (1022), 280 states have call predecessors, (1022), 277 states have return successors, (1031), 1005 states have call predecessors, (1031), 1020 states have call successors, (1031) [2021-11-13 02:34:51,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4417 states to 4417 states and 6022 transitions. [2021-11-13 02:34:51,899 INFO L78 Accepts]: Start accepts. Automaton has 4417 states and 6022 transitions. Word has length 132 [2021-11-13 02:34:51,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:34:51,900 INFO L470 AbstractCegarLoop]: Abstraction has 4417 states and 6022 transitions. [2021-11-13 02:34:51,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-13 02:34:51,900 INFO L276 IsEmpty]: Start isEmpty. Operand 4417 states and 6022 transitions. [2021-11-13 02:34:51,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-13 02:34:51,902 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:34:51,903 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:34:51,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-11-13 02:34:52,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:34:52,106 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-13 02:34:52,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:34:52,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1860668835, now seen corresponding path program 1 times [2021-11-13 02:34:52,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:34:52,108 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [165301078] [2021-11-13 02:34:52,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:34:52,108 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:34:52,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:34:52,109 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:34:52,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-13 02:34:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:34:54,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 1528 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:34:54,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:34:58,489 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 02:34:58,489 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:35:00,211 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-13 02:35:00,212 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:35:00,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [165301078] [2021-11-13 02:35:00,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [165301078] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:35:00,212 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:35:00,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-13 02:35:00,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209992317] [2021-11-13 02:35:00,213 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:35:00,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:35:00,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:35:00,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:35:00,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:35:00,214 INFO L87 Difference]: Start difference. First operand 4417 states and 6022 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-13 02:35:02,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:35:02,572 INFO L93 Difference]: Finished difference Result 8809 states and 12268 transitions. [2021-11-13 02:35:02,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:35:02,573 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 148 [2021-11-13 02:35:02,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:35:02,585 INFO L225 Difference]: With dead ends: 8809 [2021-11-13 02:35:02,585 INFO L226 Difference]: Without dead ends: 4411 [2021-11-13 02:35:02,596 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:35:02,596 INFO L933 BasicCegarLoop]: 3920 mSDtfsCounter, 6323 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1363 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1615.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6323 SdHoareTripleChecker+Valid, 3920 SdHoareTripleChecker+Invalid, 1364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.58ms SdHoareTripleChecker+Time, 1363 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1996.93ms IncrementalHoareTripleChecker+Time [2021-11-13 02:35:02,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6323 Valid, 3920 Invalid, 1364 Unknown, 0 Unchecked, 14.58ms Time], IncrementalHoareTripleChecker [1363 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 1996.93ms Time] [2021-11-13 02:35:02,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4411 states. [2021-11-13 02:35:02,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4411 to 4411. [2021-11-13 02:35:02,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4411 states, 3102 states have (on average 1.2765957446808511) internal successors, (3960), 3149 states have internal predecessors, (3960), 1022 states have call successors, (1022), 280 states have call predecessors, (1022), 277 states have return successors, (1031), 1005 states have call predecessors, (1031), 1020 states have call successors, (1031) [2021-11-13 02:35:02,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4411 states to 4411 states and 6013 transitions. [2021-11-13 02:35:02,981 INFO L78 Accepts]: Start accepts. Automaton has 4411 states and 6013 transitions. Word has length 148 [2021-11-13 02:35:02,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:35:02,982 INFO L470 AbstractCegarLoop]: Abstraction has 4411 states and 6013 transitions. [2021-11-13 02:35:02,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-13 02:35:02,982 INFO L276 IsEmpty]: Start isEmpty. Operand 4411 states and 6013 transitions. [2021-11-13 02:35:02,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-13 02:35:02,984 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:35:02,985 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:35:03,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-11-13 02:35:03,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:35:03,199 INFO L402 AbstractCegarLoop]: === Iteration 24 === 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 23 more)] === [2021-11-13 02:35:03,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:35:03,199 INFO L85 PathProgramCache]: Analyzing trace with hash -876095201, now seen corresponding path program 1 times [2021-11-13 02:35:03,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:35:03,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [778726214] [2021-11-13 02:35:03,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:35:03,201 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:35:03,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:35:03,202 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:35:03,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-11-13 02:35:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:35:04,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 1359 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:35:04,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:35:08,880 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:35:08,881 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:35:10,318 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:35:10,318 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:35:10,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [778726214] [2021-11-13 02:35:10,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [778726214] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:35:10,318 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:35:10,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:35:10,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648542882] [2021-11-13 02:35:10,319 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:35:10,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:35:10,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:35:10,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:35:10,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:35:10,320 INFO L87 Difference]: Start difference. First operand 4411 states and 6013 transitions. Second operand has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-13 02:35:10,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:35:10,734 INFO L93 Difference]: Finished difference Result 4411 states and 6013 transitions. [2021-11-13 02:35:10,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:35:10,735 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 138 [2021-11-13 02:35:10,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:35:10,746 INFO L225 Difference]: With dead ends: 4411 [2021-11-13 02:35:10,746 INFO L226 Difference]: Without dead ends: 4409 [2021-11-13 02:35:10,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:35:10,749 INFO L933 BasicCegarLoop]: 3917 mSDtfsCounter, 3796 mSDsluCounter, 7830 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3798 SdHoareTripleChecker+Valid, 11747 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.37ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.64ms IncrementalHoareTripleChecker+Time [2021-11-13 02:35:10,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3798 Valid, 11747 Invalid, 2 Unknown, 0 Unchecked, 14.37ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 27.64ms Time] [2021-11-13 02:35:10,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4409 states. [2021-11-13 02:35:11,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4409 to 4409. [2021-11-13 02:35:11,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4409 states, 3101 states have (on average 1.2763624637213802) internal successors, (3958), 3147 states have internal predecessors, (3958), 1022 states have call successors, (1022), 280 states have call predecessors, (1022), 277 states have return successors, (1031), 1005 states have call predecessors, (1031), 1020 states have call successors, (1031) [2021-11-13 02:35:11,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4409 states to 4409 states and 6011 transitions. [2021-11-13 02:35:11,113 INFO L78 Accepts]: Start accepts. Automaton has 4409 states and 6011 transitions. Word has length 138 [2021-11-13 02:35:11,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:35:11,113 INFO L470 AbstractCegarLoop]: Abstraction has 4409 states and 6011 transitions. [2021-11-13 02:35:11,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-13 02:35:11,113 INFO L276 IsEmpty]: Start isEmpty. Operand 4409 states and 6011 transitions. [2021-11-13 02:35:11,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-13 02:35:11,116 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:35:11,116 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:35:11,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2021-11-13 02:35:11,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:35:11,323 INFO L402 AbstractCegarLoop]: === Iteration 25 === 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 23 more)] === [2021-11-13 02:35:11,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:35:11,323 INFO L85 PathProgramCache]: Analyzing trace with hash 423947609, now seen corresponding path program 1 times [2021-11-13 02:35:11,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:35:11,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1791313806] [2021-11-13 02:35:11,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:35:11,325 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:35:11,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:35:11,326 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:35:11,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-13 02:35:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:35:12,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 1368 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:35:12,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:35:17,564 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:35:17,564 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:35:20,656 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:35:20,656 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:35:20,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1791313806] [2021-11-13 02:35:20,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1791313806] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:35:20,657 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:35:20,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2021-11-13 02:35:20,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133486774] [2021-11-13 02:35:20,658 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:35:20,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 02:35:20,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:35:20,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 02:35:20,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:35:20,659 INFO L87 Difference]: Start difference. First operand 4409 states and 6011 transitions. Second operand has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-13 02:35:21,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:35:21,245 INFO L93 Difference]: Finished difference Result 4409 states and 6011 transitions. [2021-11-13 02:35:21,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:35:21,246 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 144 [2021-11-13 02:35:21,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:35:21,256 INFO L225 Difference]: With dead ends: 4409 [2021-11-13 02:35:21,256 INFO L226 Difference]: Without dead ends: 4407 [2021-11-13 02:35:21,257 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 02:35:21,258 INFO L933 BasicCegarLoop]: 3915 mSDtfsCounter, 3854 mSDsluCounter, 7826 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3856 SdHoareTripleChecker+Valid, 11741 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.94ms SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.02ms IncrementalHoareTripleChecker+Time [2021-11-13 02:35:21,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3856 Valid, 11741 Invalid, 25 Unknown, 0 Unchecked, 16.94ms Time], IncrementalHoareTripleChecker [23 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 69.02ms Time] [2021-11-13 02:35:21,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4407 states. [2021-11-13 02:35:21,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4407 to 4407. [2021-11-13 02:35:21,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4407 states, 3100 states have (on average 1.2761290322580645) internal successors, (3956), 3145 states have internal predecessors, (3956), 1022 states have call successors, (1022), 280 states have call predecessors, (1022), 277 states have return successors, (1031), 1005 states have call predecessors, (1031), 1020 states have call successors, (1031) [2021-11-13 02:35:21,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4407 states to 4407 states and 6009 transitions. [2021-11-13 02:35:21,636 INFO L78 Accepts]: Start accepts. Automaton has 4407 states and 6009 transitions. Word has length 144 [2021-11-13 02:35:21,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:35:21,637 INFO L470 AbstractCegarLoop]: Abstraction has 4407 states and 6009 transitions. [2021-11-13 02:35:21,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.166666666666668) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-13 02:35:21,637 INFO L276 IsEmpty]: Start isEmpty. Operand 4407 states and 6009 transitions. [2021-11-13 02:35:21,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-13 02:35:21,639 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:35:21,640 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:35:21,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (28)] Ended with exit code 0 [2021-11-13 02:35:21,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:35:21,855 INFO L402 AbstractCegarLoop]: === Iteration 26 === 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 23 more)] === [2021-11-13 02:35:21,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:35:21,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1197959809, now seen corresponding path program 1 times [2021-11-13 02:35:21,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:35:21,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1940811740] [2021-11-13 02:35:21,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:35:21,857 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:35:21,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:35:21,858 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:35:21,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-11-13 02:35:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:35:23,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 1377 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:35:23,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:35:28,635 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:35:28,635 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:35:30,406 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:35:30,406 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:35:30,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1940811740] [2021-11-13 02:35:30,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1940811740] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:35:30,406 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:35:30,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:35:30,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103071458] [2021-11-13 02:35:30,407 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:35:30,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:35:30,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:35:30,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:35:30,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:35:30,408 INFO L87 Difference]: Start difference. First operand 4407 states and 6009 transitions. Second operand has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-13 02:35:30,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:35:30,906 INFO L93 Difference]: Finished difference Result 4407 states and 6009 transitions. [2021-11-13 02:35:30,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:35:30,907 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 150 [2021-11-13 02:35:30,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:35:30,917 INFO L225 Difference]: With dead ends: 4407 [2021-11-13 02:35:30,917 INFO L226 Difference]: Without dead ends: 4405 [2021-11-13 02:35:30,919 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 294 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:35:30,920 INFO L933 BasicCegarLoop]: 3913 mSDtfsCounter, 3783 mSDsluCounter, 3911 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3785 SdHoareTripleChecker+Valid, 7824 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.51ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.78ms IncrementalHoareTripleChecker+Time [2021-11-13 02:35:30,920 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3785 Valid, 7824 Invalid, 2 Unknown, 0 Unchecked, 11.51ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 33.78ms Time] [2021-11-13 02:35:30,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4405 states. [2021-11-13 02:35:31,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4405 to 4405. [2021-11-13 02:35:31,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4405 states, 3099 states have (on average 1.2758954501452082) internal successors, (3954), 3143 states have internal predecessors, (3954), 1022 states have call successors, (1022), 280 states have call predecessors, (1022), 277 states have return successors, (1031), 1005 states have call predecessors, (1031), 1020 states have call successors, (1031) [2021-11-13 02:35:31,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4405 states to 4405 states and 6007 transitions. [2021-11-13 02:35:31,307 INFO L78 Accepts]: Start accepts. Automaton has 4405 states and 6007 transitions. Word has length 150 [2021-11-13 02:35:31,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:35:31,308 INFO L470 AbstractCegarLoop]: Abstraction has 4405 states and 6007 transitions. [2021-11-13 02:35:31,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-13 02:35:31,308 INFO L276 IsEmpty]: Start isEmpty. Operand 4405 states and 6007 transitions. [2021-11-13 02:35:31,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-13 02:35:31,310 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:35:31,310 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:35:31,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2021-11-13 02:35:31,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:35:31,511 INFO L402 AbstractCegarLoop]: === Iteration 27 === 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 23 more)] === [2021-11-13 02:35:31,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:35:31,511 INFO L85 PathProgramCache]: Analyzing trace with hash -632028794, now seen corresponding path program 1 times [2021-11-13 02:35:31,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:35:31,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [38629818] [2021-11-13 02:35:31,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:35:31,513 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:35:31,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:35:31,514 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:35:31,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-11-13 02:35:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:35:33,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 1386 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:35:33,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:35:38,444 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:35:38,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:35:40,153 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:35:40,153 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:35:40,153 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [38629818] [2021-11-13 02:35:40,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [38629818] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:35:40,154 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:35:40,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:35:40,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118321814] [2021-11-13 02:35:40,154 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:35:40,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:35:40,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:35:40,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:35:40,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:35:40,158 INFO L87 Difference]: Start difference. First operand 4405 states and 6007 transitions. Second operand has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-13 02:35:40,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:35:40,630 INFO L93 Difference]: Finished difference Result 4405 states and 6007 transitions. [2021-11-13 02:35:40,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:35:40,630 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 156 [2021-11-13 02:35:40,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:35:40,641 INFO L225 Difference]: With dead ends: 4405 [2021-11-13 02:35:40,642 INFO L226 Difference]: Without dead ends: 4403 [2021-11-13 02:35:40,644 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:35:40,644 INFO L933 BasicCegarLoop]: 3911 mSDtfsCounter, 3775 mSDsluCounter, 3909 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3777 SdHoareTripleChecker+Valid, 7820 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.89ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.54ms IncrementalHoareTripleChecker+Time [2021-11-13 02:35:40,645 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3777 Valid, 7820 Invalid, 2 Unknown, 0 Unchecked, 10.89ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 30.54ms Time] [2021-11-13 02:35:40,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4403 states. [2021-11-13 02:35:40,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4403 to 4403. [2021-11-13 02:35:41,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4403 states, 3098 states have (on average 1.2756617172369271) internal successors, (3952), 3141 states have internal predecessors, (3952), 1022 states have call successors, (1022), 280 states have call predecessors, (1022), 277 states have return successors, (1031), 1005 states have call predecessors, (1031), 1020 states have call successors, (1031) [2021-11-13 02:35:41,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4403 states to 4403 states and 6005 transitions. [2021-11-13 02:35:41,019 INFO L78 Accepts]: Start accepts. Automaton has 4403 states and 6005 transitions. Word has length 156 [2021-11-13 02:35:41,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:35:41,020 INFO L470 AbstractCegarLoop]: Abstraction has 4403 states and 6005 transitions. [2021-11-13 02:35:41,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-13 02:35:41,021 INFO L276 IsEmpty]: Start isEmpty. Operand 4403 states and 6005 transitions. [2021-11-13 02:35:41,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-13 02:35:41,024 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:35:41,024 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:35:41,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (30)] Ended with exit code 0 [2021-11-13 02:35:41,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:35:41,234 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-13 02:35:41,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:35:41,234 INFO L85 PathProgramCache]: Analyzing trace with hash 2097431144, now seen corresponding path program 1 times [2021-11-13 02:35:41,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:35:41,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1855878343] [2021-11-13 02:35:41,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:35:41,236 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:35:41,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:35:41,237 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:35:41,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-13 02:35:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:35:42,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 1395 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:35:42,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:35:48,530 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:35:48,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:35:50,328 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:35:50,328 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:35:50,328 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1855878343] [2021-11-13 02:35:50,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1855878343] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:35:50,328 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:35:50,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:35:50,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942346180] [2021-11-13 02:35:50,329 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:35:50,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:35:50,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:35:50,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:35:50,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:35:50,330 INFO L87 Difference]: Start difference. First operand 4403 states and 6005 transitions. Second operand has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-13 02:35:50,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:35:50,818 INFO L93 Difference]: Finished difference Result 4403 states and 6005 transitions. [2021-11-13 02:35:50,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:35:50,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 162 [2021-11-13 02:35:50,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:35:50,831 INFO L225 Difference]: With dead ends: 4403 [2021-11-13 02:35:50,831 INFO L226 Difference]: Without dead ends: 4401 [2021-11-13 02:35:50,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:35:50,834 INFO L933 BasicCegarLoop]: 3909 mSDtfsCounter, 3767 mSDsluCounter, 3907 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3769 SdHoareTripleChecker+Valid, 7816 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.78ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.48ms IncrementalHoareTripleChecker+Time [2021-11-13 02:35:50,834 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3769 Valid, 7816 Invalid, 2 Unknown, 0 Unchecked, 10.78ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 30.48ms Time] [2021-11-13 02:35:50,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4401 states. [2021-11-13 02:35:51,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4401 to 4401. [2021-11-13 02:35:51,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4401 states, 3097 states have (on average 1.275427833387149) internal successors, (3950), 3139 states have internal predecessors, (3950), 1022 states have call successors, (1022), 280 states have call predecessors, (1022), 277 states have return successors, (1031), 1005 states have call predecessors, (1031), 1020 states have call successors, (1031) [2021-11-13 02:35:51,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4401 states to 4401 states and 6003 transitions. [2021-11-13 02:35:51,238 INFO L78 Accepts]: Start accepts. Automaton has 4401 states and 6003 transitions. Word has length 162 [2021-11-13 02:35:51,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:35:51,239 INFO L470 AbstractCegarLoop]: Abstraction has 4401 states and 6003 transitions. [2021-11-13 02:35:51,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 5 states have internal predecessors, (180), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-13 02:35:51,239 INFO L276 IsEmpty]: Start isEmpty. Operand 4401 states and 6003 transitions. [2021-11-13 02:35:51,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-13 02:35:51,241 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:35:51,242 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:35:51,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2021-11-13 02:35:51,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:35:51,442 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-13 02:35:51,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:35:51,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1441425938, now seen corresponding path program 1 times [2021-11-13 02:35:51,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:35:51,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1550391786] [2021-11-13 02:35:51,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:35:51,444 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:35:51,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:35:51,445 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:35:51,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-11-13 02:35:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:35:53,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 1404 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:35:53,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:35:58,757 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:35:58,757 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:36:00,616 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:36:00,616 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:36:00,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1550391786] [2021-11-13 02:36:00,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1550391786] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:36:00,617 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:36:00,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:36:00,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541780412] [2021-11-13 02:36:00,617 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:36:00,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:36:00,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:36:00,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:36:00,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:36:00,619 INFO L87 Difference]: Start difference. First operand 4401 states and 6003 transitions. Second operand has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-13 02:36:01,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:36:01,141 INFO L93 Difference]: Finished difference Result 4401 states and 6003 transitions. [2021-11-13 02:36:01,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:36:01,142 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 168 [2021-11-13 02:36:01,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:36:01,156 INFO L225 Difference]: With dead ends: 4401 [2021-11-13 02:36:01,156 INFO L226 Difference]: Without dead ends: 4399 [2021-11-13 02:36:01,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:36:01,159 INFO L933 BasicCegarLoop]: 3907 mSDtfsCounter, 3756 mSDsluCounter, 7810 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3758 SdHoareTripleChecker+Valid, 11717 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.98ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.29ms IncrementalHoareTripleChecker+Time [2021-11-13 02:36:01,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3758 Valid, 11717 Invalid, 2 Unknown, 0 Unchecked, 14.98ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 32.29ms Time] [2021-11-13 02:36:01,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4399 states. [2021-11-13 02:36:01,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4399 to 4399. [2021-11-13 02:36:01,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4399 states, 3096 states have (on average 1.2751937984496124) internal successors, (3948), 3137 states have internal predecessors, (3948), 1022 states have call successors, (1022), 280 states have call predecessors, (1022), 277 states have return successors, (1031), 1005 states have call predecessors, (1031), 1020 states have call successors, (1031) [2021-11-13 02:36:01,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4399 states to 4399 states and 6001 transitions. [2021-11-13 02:36:01,541 INFO L78 Accepts]: Start accepts. Automaton has 4399 states and 6001 transitions. Word has length 168 [2021-11-13 02:36:01,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:36:01,542 INFO L470 AbstractCegarLoop]: Abstraction has 4399 states and 6001 transitions. [2021-11-13 02:36:01,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-13 02:36:01,542 INFO L276 IsEmpty]: Start isEmpty. Operand 4399 states and 6001 transitions. [2021-11-13 02:36:01,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-13 02:36:01,545 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:36:01,545 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:36:01,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2021-11-13 02:36:01,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:36:01,746 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-13 02:36:01,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:36:01,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1584548310, now seen corresponding path program 1 times [2021-11-13 02:36:01,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:36:01,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1376652610] [2021-11-13 02:36:01,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:36:01,748 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:36:01,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:36:01,749 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:36:01,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-11-13 02:36:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:36:03,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 1413 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:36:03,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:36:09,185 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:36:09,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:36:11,037 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:36:11,037 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:36:11,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1376652610] [2021-11-13 02:36:11,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1376652610] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:36:11,038 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:36:11,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:36:11,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844765395] [2021-11-13 02:36:11,038 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:36:11,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:36:11,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:36:11,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:36:11,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:36:11,039 INFO L87 Difference]: Start difference. First operand 4399 states and 6001 transitions. Second operand has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-13 02:36:11,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:36:11,557 INFO L93 Difference]: Finished difference Result 4399 states and 6001 transitions. [2021-11-13 02:36:11,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:36:11,558 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 174 [2021-11-13 02:36:11,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:36:11,569 INFO L225 Difference]: With dead ends: 4399 [2021-11-13 02:36:11,569 INFO L226 Difference]: Without dead ends: 4397 [2021-11-13 02:36:11,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:36:11,572 INFO L933 BasicCegarLoop]: 3905 mSDtfsCounter, 3748 mSDsluCounter, 7806 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3750 SdHoareTripleChecker+Valid, 11711 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.37ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.24ms IncrementalHoareTripleChecker+Time [2021-11-13 02:36:11,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3750 Valid, 11711 Invalid, 2 Unknown, 0 Unchecked, 14.37ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 29.24ms Time] [2021-11-13 02:36:11,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4397 states. [2021-11-13 02:36:11,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4397 to 4397. [2021-11-13 02:36:11,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4397 states, 3095 states have (on average 1.2749596122778675) internal successors, (3946), 3135 states have internal predecessors, (3946), 1022 states have call successors, (1022), 280 states have call predecessors, (1022), 277 states have return successors, (1031), 1005 states have call predecessors, (1031), 1020 states have call successors, (1031) [2021-11-13 02:36:11,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4397 states to 4397 states and 5999 transitions. [2021-11-13 02:36:11,981 INFO L78 Accepts]: Start accepts. Automaton has 4397 states and 5999 transitions. Word has length 174 [2021-11-13 02:36:11,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:36:11,982 INFO L470 AbstractCegarLoop]: Abstraction has 4397 states and 5999 transitions. [2021-11-13 02:36:11,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-13 02:36:11,982 INFO L276 IsEmpty]: Start isEmpty. Operand 4397 states and 5999 transitions. [2021-11-13 02:36:11,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-13 02:36:11,985 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:36:11,986 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:36:12,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (33)] Ended with exit code 0 [2021-11-13 02:36:12,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:36:12,199 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-13 02:36:12,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:36:12,200 INFO L85 PathProgramCache]: Analyzing trace with hash -56388165, now seen corresponding path program 1 times [2021-11-13 02:36:12,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:36:12,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2061882251] [2021-11-13 02:36:12,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:36:12,201 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:36:12,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:36:12,202 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:36:12,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2021-11-13 02:36:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:36:13,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 1422 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 02:36:13,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:36:19,568 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:36:19,568 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:36:21,442 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 02:36:21,442 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:36:21,443 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2061882251] [2021-11-13 02:36:21,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2061882251] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:36:21,443 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:36:21,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:36:21,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968037165] [2021-11-13 02:36:21,443 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:36:21,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:36:21,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:36:21,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:36:21,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:36:21,445 INFO L87 Difference]: Start difference. First operand 4397 states and 5999 transitions. Second operand has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2021-11-13 02:36:21,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:36:21,958 INFO L93 Difference]: Finished difference Result 4397 states and 5999 transitions. [2021-11-13 02:36:21,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:36:21,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 180 [2021-11-13 02:36:21,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:36:21,970 INFO L225 Difference]: With dead ends: 4397 [2021-11-13 02:36:21,970 INFO L226 Difference]: Without dead ends: 3376 [2021-11-13 02:36:21,975 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:36:21,976 INFO L933 BasicCegarLoop]: 3904 mSDtfsCounter, 3739 mSDsluCounter, 7808 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3739 SdHoareTripleChecker+Valid, 11712 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.19ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.12ms IncrementalHoareTripleChecker+Time [2021-11-13 02:36:21,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3739 Valid, 11712 Invalid, 1 Unknown, 0 Unchecked, 14.19ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 15.12ms Time] [2021-11-13 02:36:21,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3376 states. [2021-11-13 02:36:22,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3376 to 3376. [2021-11-13 02:36:22,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3376 states, 2344 states have (on average 1.3093003412969284) internal successors, (3069), 2382 states have internal predecessors, (3069), 772 states have call successors, (772), 260 states have call predecessors, (772), 258 states have return successors, (783), 757 states have call predecessors, (783), 772 states have call successors, (783) [2021-11-13 02:36:22,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3376 states to 3376 states and 4624 transitions. [2021-11-13 02:36:22,323 INFO L78 Accepts]: Start accepts. Automaton has 3376 states and 4624 transitions. Word has length 180 [2021-11-13 02:36:22,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:36:22,323 INFO L470 AbstractCegarLoop]: Abstraction has 3376 states and 4624 transitions. [2021-11-13 02:36:22,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.8) internal successors, (204), 5 states have internal predecessors, (204), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2021-11-13 02:36:22,324 INFO L276 IsEmpty]: Start isEmpty. Operand 3376 states and 4624 transitions. [2021-11-13 02:36:22,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2021-11-13 02:36:22,328 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:36:22,329 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:36:22,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2021-11-13 02:36:22,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:36:22,543 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-13 02:36:22,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:36:22,543 INFO L85 PathProgramCache]: Analyzing trace with hash 987601124, now seen corresponding path program 1 times [2021-11-13 02:36:22,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:36:22,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1810966359] [2021-11-13 02:36:22,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:36:22,546 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:36:22,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:36:22,548 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:36:22,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2021-11-13 02:36:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:36:24,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 2100 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 02:36:24,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:36:34,986 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 264 proven. 3 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2021-11-13 02:36:34,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:36:41,009 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 19 proven. 85 refuted. 0 times theorem prover too weak. 728 trivial. 0 not checked. [2021-11-13 02:36:41,010 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:36:41,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1810966359] [2021-11-13 02:36:41,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1810966359] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 02:36:41,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1419829694] [2021-11-13 02:36:41,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:36:41,010 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-13 02:36:41,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-13 02:36:41,012 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-13 02:36:41,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2021-11-13 02:36:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:36:42,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 2100 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-13 02:36:42,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:36:51,920 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2021-11-13 02:36:51,920 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:37:05,117 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 813 trivial. 0 not checked. [2021-11-13 02:37:05,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1419829694] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 02:37:05,118 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-13 02:37:05,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [17, 17, 10] total 36 [2021-11-13 02:37:05,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214296177] [2021-11-13 02:37:05,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 02:37:05,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 02:37:05,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:37:05,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 02:37:05,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1179, Unknown=0, NotChecked=0, Total=1260 [2021-11-13 02:37:05,123 INFO L87 Difference]: Start difference. First operand 3376 states and 4624 transitions. Second operand has 10 states, 10 states have (on average 15.2) internal successors, (152), 8 states have internal predecessors, (152), 3 states have call successors, (52), 2 states have call predecessors, (52), 4 states have return successors, (48), 5 states have call predecessors, (48), 3 states have call successors, (48) [2021-11-13 02:37:08,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:37:08,832 INFO L93 Difference]: Finished difference Result 6696 states and 9176 transitions. [2021-11-13 02:37:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 02:37:08,835 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.2) internal successors, (152), 8 states have internal predecessors, (152), 3 states have call successors, (52), 2 states have call predecessors, (52), 4 states have return successors, (48), 5 states have call predecessors, (48), 3 states have call successors, (48) Word has length 386 [2021-11-13 02:37:08,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:37:08,850 INFO L225 Difference]: With dead ends: 6696 [2021-11-13 02:37:08,850 INFO L226 Difference]: Without dead ends: 3398 [2021-11-13 02:37:08,865 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1543 GetRequests, 1506 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 22.2s TimeCoverageRelationStatistics Valid=102, Invalid=1380, Unknown=0, NotChecked=0, Total=1482 [2021-11-13 02:37:08,865 INFO L933 BasicCegarLoop]: 2531 mSDtfsCounter, 9 mSDsluCounter, 20235 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1120.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 22766 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.33ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1141.25ms IncrementalHoareTripleChecker+Time [2021-11-13 02:37:08,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 22766 Invalid, 64 Unknown, 0 Unchecked, 22.33ms Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 1141.25ms Time] [2021-11-13 02:37:08,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3398 states. [2021-11-13 02:37:09,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3398 to 3387. [2021-11-13 02:37:09,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3387 states, 2352 states have (on average 1.308248299319728) internal successors, (3077), 2390 states have internal predecessors, (3077), 773 states have call successors, (773), 260 states have call predecessors, (773), 260 states have return successors, (790), 760 states have call predecessors, (790), 773 states have call successors, (790) [2021-11-13 02:37:09,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3387 states to 3387 states and 4640 transitions. [2021-11-13 02:37:09,304 INFO L78 Accepts]: Start accepts. Automaton has 3387 states and 4640 transitions. Word has length 386 [2021-11-13 02:37:09,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:37:09,305 INFO L470 AbstractCegarLoop]: Abstraction has 3387 states and 4640 transitions. [2021-11-13 02:37:09,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.2) internal successors, (152), 8 states have internal predecessors, (152), 3 states have call successors, (52), 2 states have call predecessors, (52), 4 states have return successors, (48), 5 states have call predecessors, (48), 3 states have call successors, (48) [2021-11-13 02:37:09,306 INFO L276 IsEmpty]: Start isEmpty. Operand 3387 states and 4640 transitions. [2021-11-13 02:37:09,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2021-11-13 02:37:09,311 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:37:09,312 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 25, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:37:09,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (35)] Ended with exit code 0 [2021-11-13 02:37:09,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2021-11-13 02:37:09,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-13 02:37:09,735 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-13 02:37:09,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:37:09,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1354537901, now seen corresponding path program 1 times [2021-11-13 02:37:09,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:37:09,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [588857685] [2021-11-13 02:37:09,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:37:09,738 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:37:09,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:37:09,739 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:37:09,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2021-11-13 02:37:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:37:12,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 2348 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 02:37:12,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:37:25,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 404 proven. 3 refuted. 0 times theorem prover too weak. 1363 trivial. 0 not checked. [2021-11-13 02:37:25,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:37:32,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 19 proven. 133 refuted. 0 times theorem prover too weak. 1618 trivial. 0 not checked. [2021-11-13 02:37:32,416 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:37:32,416 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [588857685] [2021-11-13 02:37:32,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [588857685] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 02:37:32,416 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1494408298] [2021-11-13 02:37:32,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:37:32,417 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-13 02:37:32,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-13 02:37:32,418 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-13 02:37:32,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2021-11-13 02:37:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:37:38,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 2348 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 02:37:38,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:37:47,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 1746 trivial. 0 not checked. [2021-11-13 02:37:47,600 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:38:01,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 1751 trivial. 0 not checked. [2021-11-13 02:38:01,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1494408298] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:38:01,901 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-13 02:38:01,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [17, 17] total 36 [2021-11-13 02:38:01,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273673641] [2021-11-13 02:38:01,902 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:38:01,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-13 02:38:01,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:38:01,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-13 02:38:01,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1179, Unknown=0, NotChecked=0, Total=1260 [2021-11-13 02:38:01,906 INFO L87 Difference]: Start difference. First operand 3387 states and 4640 transitions. Second operand has 18 states, 18 states have (on average 9.333333333333334) internal successors, (168), 14 states have internal predecessors, (168), 4 states have call successors, (66), 2 states have call predecessors, (66), 6 states have return successors, (64), 8 states have call predecessors, (64), 4 states have call successors, (64) [2021-11-13 02:38:06,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:38:06,442 INFO L93 Difference]: Finished difference Result 6707 states and 9191 transitions. [2021-11-13 02:38:06,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 02:38:06,443 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 9.333333333333334) internal successors, (168), 14 states have internal predecessors, (168), 4 states have call successors, (66), 2 states have call predecessors, (66), 6 states have return successors, (64), 8 states have call predecessors, (64), 4 states have call successors, (64) Word has length 492 [2021-11-13 02:38:06,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:38:06,454 INFO L225 Difference]: With dead ends: 6707 [2021-11-13 02:38:06,454 INFO L226 Difference]: Without dead ends: 3398 [2021-11-13 02:38:06,465 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1967 GetRequests, 1930 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 23.7s TimeCoverageRelationStatistics Valid=102, Invalid=1380, Unknown=0, NotChecked=0, Total=1482 [2021-11-13 02:38:06,466 INFO L933 BasicCegarLoop]: 2527 mSDtfsCounter, 12 mSDsluCounter, 30313 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1698.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 32840 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 35.93ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1740.98ms IncrementalHoareTripleChecker+Time [2021-11-13 02:38:06,467 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 32840 Invalid, 86 Unknown, 0 Unchecked, 35.93ms Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 1740.98ms Time] [2021-11-13 02:38:06,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3398 states. [2021-11-13 02:38:06,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3398 to 3389. [2021-11-13 02:38:06,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3389 states, 2354 states have (on average 1.3079864061172473) internal successors, (3079), 2391 states have internal predecessors, (3079), 773 states have call successors, (773), 260 states have call predecessors, (773), 260 states have return successors, (790), 761 states have call predecessors, (790), 773 states have call successors, (790) [2021-11-13 02:38:06,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3389 states to 3389 states and 4642 transitions. [2021-11-13 02:38:06,820 INFO L78 Accepts]: Start accepts. Automaton has 3389 states and 4642 transitions. Word has length 492 [2021-11-13 02:38:06,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:38:06,821 INFO L470 AbstractCegarLoop]: Abstraction has 3389 states and 4642 transitions. [2021-11-13 02:38:06,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.333333333333334) internal successors, (168), 14 states have internal predecessors, (168), 4 states have call successors, (66), 2 states have call predecessors, (66), 6 states have return successors, (64), 8 states have call predecessors, (64), 4 states have call successors, (64) [2021-11-13 02:38:06,821 INFO L276 IsEmpty]: Start isEmpty. Operand 3389 states and 4642 transitions. [2021-11-13 02:38:06,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2021-11-13 02:38:06,827 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:38:06,827 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 9, 9, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:38:06,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2021-11-13 02:38:07,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (37)] Ended with exit code 0 [2021-11-13 02:38:07,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:38:07,249 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-13 02:38:07,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:38:07,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1266351032, now seen corresponding path program 1 times [2021-11-13 02:38:07,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:38:07,252 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1419100809] [2021-11-13 02:38:07,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:38:07,252 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:38:07,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:38:07,253 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:38:07,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2021-11-13 02:38:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:38:09,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 2188 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 02:38:09,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:38:22,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1171 backedges. 328 proven. 3 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-13 02:38:22,158 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:38:28,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1171 backedges. 19 proven. 109 refuted. 0 times theorem prover too weak. 1043 trivial. 0 not checked. [2021-11-13 02:38:28,733 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:38:28,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1419100809] [2021-11-13 02:38:28,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1419100809] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 02:38:28,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1272360276] [2021-11-13 02:38:28,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:38:28,733 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-13 02:38:28,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-13 02:38:28,734 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-13 02:38:28,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2021-11-13 02:38:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:38:38,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 2188 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 02:38:38,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:38:46,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1171 backedges. 328 proven. 3 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-13 02:38:46,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:38:50,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1171 backedges. 19 proven. 109 refuted. 0 times theorem prover too weak. 1043 trivial. 0 not checked. [2021-11-13 02:38:50,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1272360276] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 02:38:50,947 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869518440] [2021-11-13 02:38:50,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:38:50,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 02:38:50,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:38:50,949 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 02:38:50,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2021-11-13 02:38:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:38:52,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 2188 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-13 02:38:52,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:39:00,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1171 backedges. 328 proven. 3 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2021-11-13 02:39:00,427 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:39:05,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1171 backedges. 19 proven. 109 refuted. 0 times theorem prover too weak. 1043 trivial. 0 not checked. [2021-11-13 02:39:05,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869518440] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 02:39:05,066 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-13 02:39:05,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17, 17, 17, 17] total 20 [2021-11-13 02:39:05,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031766824] [2021-11-13 02:39:05,067 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-13 02:39:05,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-13 02:39:05,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:39:05,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-13 02:39:05,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=339, Unknown=0, NotChecked=0, Total=380 [2021-11-13 02:39:05,070 INFO L87 Difference]: Start difference. First operand 3389 states and 4642 transitions. Second operand has 20 states, 19 states have (on average 11.052631578947368) internal successors, (210), 18 states have internal predecessors, (210), 7 states have call successors, (92), 2 states have call predecessors, (92), 5 states have return successors, (89), 8 states have call predecessors, (89), 7 states have call successors, (89) [2021-11-13 02:39:21,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:39:21,631 INFO L93 Difference]: Finished difference Result 6726 states and 9214 transitions. [2021-11-13 02:39:21,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-13 02:39:21,631 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 11.052631578947368) internal successors, (210), 18 states have internal predecessors, (210), 7 states have call successors, (92), 2 states have call predecessors, (92), 5 states have return successors, (89), 8 states have call predecessors, (89), 7 states have call successors, (89) Word has length 428 [2021-11-13 02:39:21,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:39:21,645 INFO L225 Difference]: With dead ends: 6726 [2021-11-13 02:39:21,645 INFO L226 Difference]: Without dead ends: 3387 [2021-11-13 02:39:21,654 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2573 GetRequests, 2544 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=161, Invalid=769, Unknown=0, NotChecked=0, Total=930 [2021-11-13 02:39:21,654 INFO L933 BasicCegarLoop]: 2503 mSDtfsCounter, 53 mSDsluCounter, 42484 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10590.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 44987 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 47.52ms SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10705.59ms IncrementalHoareTripleChecker+Time [2021-11-13 02:39:21,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 44987 Invalid, 654 Unknown, 0 Unchecked, 47.52ms Time], IncrementalHoareTripleChecker [47 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 10705.59ms Time] [2021-11-13 02:39:21,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3387 states. [2021-11-13 02:39:22,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3387 to 3387. [2021-11-13 02:39:22,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3387 states, 2353 states have (on average 1.3076923076923077) internal successors, (3077), 2390 states have internal predecessors, (3077), 772 states have call successors, (772), 260 states have call predecessors, (772), 260 states have return successors, (789), 760 states have call predecessors, (789), 772 states have call successors, (789) [2021-11-13 02:39:22,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3387 states to 3387 states and 4638 transitions. [2021-11-13 02:39:22,018 INFO L78 Accepts]: Start accepts. Automaton has 3387 states and 4638 transitions. Word has length 428 [2021-11-13 02:39:22,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:39:22,018 INFO L470 AbstractCegarLoop]: Abstraction has 3387 states and 4638 transitions. [2021-11-13 02:39:22,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 11.052631578947368) internal successors, (210), 18 states have internal predecessors, (210), 7 states have call successors, (92), 2 states have call predecessors, (92), 5 states have return successors, (89), 8 states have call predecessors, (89), 7 states have call successors, (89) [2021-11-13 02:39:22,019 INFO L276 IsEmpty]: Start isEmpty. Operand 3387 states and 4638 transitions. [2021-11-13 02:39:22,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2021-11-13 02:39:22,024 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:39:22,024 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 31, 12, 12, 12, 12, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:39:22,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2021-11-13 02:39:22,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2021-11-13 02:39:22,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2021-11-13 02:39:22,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-13 02:39:22,627 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-11-13 02:39:22,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:39:22,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1471799323, now seen corresponding path program 1 times [2021-11-13 02:39:22,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:39:22,631 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1111879528] [2021-11-13 02:39:22,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:39:22,631 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:39:22,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:39:22,632 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:39:22,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5b24b2-686d-47aa-8a12-df192afffe8c/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2021-11-13 02:39:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:39:35,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 2533 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-13 02:39:35,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:39:47,885 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-13 02:39:47,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-11-13 02:41:28,022 INFO L354 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2021-11-13 02:41:28,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 30