./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--mtd--devices--docg3.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI --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 68426913596b871b4c11813b726bd276e51998a12b1bbf8670be5ac2879b4991 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 03:29:09,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:29:09,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:29:09,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:29:09,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:29:09,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:29:09,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:29:09,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:29:09,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:29:09,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:29:09,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:29:09,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:29:09,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:29:09,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:29:09,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:29:09,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:29:09,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:29:09,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:29:09,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:29:09,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:29:09,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:29:09,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:29:09,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:29:09,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:29:09,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:29:09,297 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:29:09,297 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:29:09,299 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:29:09,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:29:09,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:29:09,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:29:09,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:29:09,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:29:09,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:29:09,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:29:09,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:29:09,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:29:09,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:29:09,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:29:09,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:29:09,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:29:09,311 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:29:09,352 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:29:09,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:29:09,353 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:29:09,354 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:29:09,355 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:29:09,355 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:29:09,355 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:29:09,355 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:29:09,356 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:29:09,356 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:29:09,357 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:29:09,357 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:29:09,357 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:29:09,358 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:29:09,358 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:29:09,358 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:29:09,358 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:29:09,359 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:29:09,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:29:09,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:29:09,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:29:09,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:29:09,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:29:09,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:29:09,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:29:09,362 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:29:09,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:29:09,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:29:09,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:29:09,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:29:09,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:29:09,364 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:29:09,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:29:09,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:29:09,365 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:29:09,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:29:09,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:29:09,365 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:29:09,365 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68426913596b871b4c11813b726bd276e51998a12b1bbf8670be5ac2879b4991 [2022-11-03 03:29:09,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:29:09,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:29:09,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:29:09,692 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:29:09,693 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:29:09,694 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i [2022-11-03 03:29:09,778 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/data/1ec08798d/74284aeeb295491f809db963ac80bdec/FLAG746f83bb7 [2022-11-03 03:29:10,691 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:29:10,691 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i [2022-11-03 03:29:10,746 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/data/1ec08798d/74284aeeb295491f809db963ac80bdec/FLAG746f83bb7 [2022-11-03 03:29:11,122 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/data/1ec08798d/74284aeeb295491f809db963ac80bdec [2022-11-03 03:29:11,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:29:11,127 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:29:11,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:29:11,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:29:11,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:29:11,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:29:11" (1/1) ... [2022-11-03 03:29:11,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5872d99c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:11, skipping insertion in model container [2022-11-03 03:29:11,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:29:11" (1/1) ... [2022-11-03 03:29:11,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:29:11,295 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:29:15,263 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[377771,377784] [2022-11-03 03:29:15,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[377916,377929] [2022-11-03 03:29:15,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[378062,378075] [2022-11-03 03:29:15,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[378227,378240] [2022-11-03 03:29:15,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[378385,378398] [2022-11-03 03:29:15,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[378543,378556] [2022-11-03 03:29:15,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[378701,378714] [2022-11-03 03:29:15,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[378861,378874] [2022-11-03 03:29:15,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[379020,379033] [2022-11-03 03:29:15,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[379159,379172] [2022-11-03 03:29:15,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[379301,379314] [2022-11-03 03:29:15,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[379450,379463] [2022-11-03 03:29:15,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[379589,379602] [2022-11-03 03:29:15,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[379744,379757] [2022-11-03 03:29:15,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[379904,379917] [2022-11-03 03:29:15,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[380055,380068] [2022-11-03 03:29:15,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[380206,380219] [2022-11-03 03:29:15,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[380358,380371] [2022-11-03 03:29:15,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[380507,380520] [2022-11-03 03:29:15,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[380655,380668] [2022-11-03 03:29:15,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[380812,380825] [2022-11-03 03:29:15,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[380961,380974] [2022-11-03 03:29:15,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[381117,381130] [2022-11-03 03:29:15,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[381270,381283] [2022-11-03 03:29:15,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[381416,381429] [2022-11-03 03:29:15,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[381559,381572] [2022-11-03 03:29:15,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[381711,381724] [2022-11-03 03:29:15,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[381857,381870] [2022-11-03 03:29:15,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[382002,382015] [2022-11-03 03:29:15,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[382156,382169] [2022-11-03 03:29:15,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[382307,382320] [2022-11-03 03:29:15,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[382462,382475] [2022-11-03 03:29:15,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[382614,382627] [2022-11-03 03:29:15,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[382769,382782] [2022-11-03 03:29:15,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[382933,382946] [2022-11-03 03:29:15,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[383089,383102] [2022-11-03 03:29:15,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[383253,383266] [2022-11-03 03:29:15,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[383395,383408] [2022-11-03 03:29:15,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[383553,383566] [2022-11-03 03:29:15,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[383720,383733] [2022-11-03 03:29:15,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[383879,383892] [2022-11-03 03:29:15,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[384038,384051] [2022-11-03 03:29:15,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[384187,384200] [2022-11-03 03:29:15,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[384334,384347] [2022-11-03 03:29:15,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[384473,384486] [2022-11-03 03:29:15,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[384636,384649] [2022-11-03 03:29:15,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[384802,384815] [2022-11-03 03:29:15,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[384966,384979] [2022-11-03 03:29:15,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[385131,385144] [2022-11-03 03:29:15,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[385296,385309] [2022-11-03 03:29:15,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[385462,385475] [2022-11-03 03:29:15,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[385627,385640] [2022-11-03 03:29:15,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[385794,385807] [2022-11-03 03:29:15,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[385954,385967] [2022-11-03 03:29:15,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[386116,386129] [2022-11-03 03:29:15,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[386275,386288] [2022-11-03 03:29:15,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[386421,386434] [2022-11-03 03:29:15,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[386564,386577] [2022-11-03 03:29:15,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[386708,386721] [2022-11-03 03:29:15,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[386851,386864] [2022-11-03 03:29:15,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[386995,387008] [2022-11-03 03:29:15,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[387136,387149] [2022-11-03 03:29:15,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[387274,387287] [2022-11-03 03:29:15,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[387432,387445] [2022-11-03 03:29:15,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[387591,387604] [2022-11-03 03:29:15,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[387747,387760] [2022-11-03 03:29:15,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[387896,387909] [2022-11-03 03:29:15,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[388048,388061] [2022-11-03 03:29:15,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[388199,388212] [2022-11-03 03:29:15,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[388348,388361] [2022-11-03 03:29:15,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[388500,388513] [2022-11-03 03:29:15,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[388648,388661] [2022-11-03 03:29:15,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[388801,388814] [2022-11-03 03:29:15,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[388952,388965] [2022-11-03 03:29:15,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[389102,389115] [2022-11-03 03:29:15,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[389249,389262] [2022-11-03 03:29:15,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[389400,389413] [2022-11-03 03:29:15,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[389551,389564] [2022-11-03 03:29:15,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[389699,389712] [2022-11-03 03:29:15,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[389865,389878] [2022-11-03 03:29:15,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[390034,390047] [2022-11-03 03:29:15,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[390201,390214] [2022-11-03 03:29:15,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[390369,390382] [2022-11-03 03:29:15,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[390519,390532] [2022-11-03 03:29:15,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[390666,390679] [2022-11-03 03:29:15,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[390827,390840] [2022-11-03 03:29:15,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[390997,391010] [2022-11-03 03:29:15,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[391159,391172] [2022-11-03 03:29:15,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:29:15,357 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:29:15,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[377771,377784] [2022-11-03 03:29:15,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[377916,377929] [2022-11-03 03:29:15,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[378062,378075] [2022-11-03 03:29:15,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[378227,378240] [2022-11-03 03:29:15,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[378385,378398] [2022-11-03 03:29:15,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[378543,378556] [2022-11-03 03:29:15,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[378701,378714] [2022-11-03 03:29:15,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[378861,378874] [2022-11-03 03:29:15,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[379020,379033] [2022-11-03 03:29:15,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[379159,379172] [2022-11-03 03:29:15,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[379301,379314] [2022-11-03 03:29:15,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[379450,379463] [2022-11-03 03:29:15,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[379589,379602] [2022-11-03 03:29:15,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[379744,379757] [2022-11-03 03:29:15,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[379904,379917] [2022-11-03 03:29:15,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[380055,380068] [2022-11-03 03:29:15,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[380206,380219] [2022-11-03 03:29:15,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[380358,380371] [2022-11-03 03:29:15,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[380507,380520] [2022-11-03 03:29:15,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[380655,380668] [2022-11-03 03:29:15,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[380812,380825] [2022-11-03 03:29:15,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[380961,380974] [2022-11-03 03:29:15,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[381117,381130] [2022-11-03 03:29:15,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[381270,381283] [2022-11-03 03:29:15,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[381416,381429] [2022-11-03 03:29:15,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[381559,381572] [2022-11-03 03:29:15,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[381711,381724] [2022-11-03 03:29:15,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[381857,381870] [2022-11-03 03:29:15,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[382002,382015] [2022-11-03 03:29:15,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[382156,382169] [2022-11-03 03:29:15,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[382307,382320] [2022-11-03 03:29:15,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[382462,382475] [2022-11-03 03:29:15,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[382614,382627] [2022-11-03 03:29:15,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[382769,382782] [2022-11-03 03:29:15,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[382933,382946] [2022-11-03 03:29:15,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[383089,383102] [2022-11-03 03:29:15,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[383253,383266] [2022-11-03 03:29:15,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[383395,383408] [2022-11-03 03:29:15,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[383553,383566] [2022-11-03 03:29:15,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[383720,383733] [2022-11-03 03:29:15,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[383879,383892] [2022-11-03 03:29:15,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[384038,384051] [2022-11-03 03:29:15,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[384187,384200] [2022-11-03 03:29:15,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[384334,384347] [2022-11-03 03:29:15,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[384473,384486] [2022-11-03 03:29:15,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[384636,384649] [2022-11-03 03:29:15,856 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[384802,384815] [2022-11-03 03:29:15,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[384966,384979] [2022-11-03 03:29:15,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[385131,385144] [2022-11-03 03:29:15,858 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[385296,385309] [2022-11-03 03:29:15,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[385462,385475] [2022-11-03 03:29:15,863 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[385627,385640] [2022-11-03 03:29:15,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[385794,385807] [2022-11-03 03:29:15,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[385954,385967] [2022-11-03 03:29:15,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[386116,386129] [2022-11-03 03:29:15,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[386275,386288] [2022-11-03 03:29:15,870 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[386421,386434] [2022-11-03 03:29:15,871 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[386564,386577] [2022-11-03 03:29:15,872 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[386708,386721] [2022-11-03 03:29:15,872 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[386851,386864] [2022-11-03 03:29:15,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[386995,387008] [2022-11-03 03:29:15,874 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[387136,387149] [2022-11-03 03:29:15,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[387274,387287] [2022-11-03 03:29:15,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[387432,387445] [2022-11-03 03:29:15,876 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[387591,387604] [2022-11-03 03:29:15,883 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[387747,387760] [2022-11-03 03:29:15,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[387896,387909] [2022-11-03 03:29:15,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[388048,388061] [2022-11-03 03:29:15,887 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[388199,388212] [2022-11-03 03:29:15,888 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[388348,388361] [2022-11-03 03:29:15,888 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[388500,388513] [2022-11-03 03:29:15,888 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[388648,388661] [2022-11-03 03:29:15,889 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[388801,388814] [2022-11-03 03:29:15,889 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[388952,388965] [2022-11-03 03:29:15,889 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[389102,389115] [2022-11-03 03:29:15,890 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[389249,389262] [2022-11-03 03:29:15,890 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[389400,389413] [2022-11-03 03:29:15,890 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[389551,389564] [2022-11-03 03:29:15,892 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[389699,389712] [2022-11-03 03:29:15,893 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[389865,389878] [2022-11-03 03:29:15,893 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[390034,390047] [2022-11-03 03:29:15,894 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[390201,390214] [2022-11-03 03:29:15,895 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[390369,390382] [2022-11-03 03:29:15,895 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[390519,390532] [2022-11-03 03:29:15,896 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[390666,390679] [2022-11-03 03:29:15,896 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[390827,390840] [2022-11-03 03:29:15,896 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[390997,391010] [2022-11-03 03:29:15,897 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i[391159,391172] [2022-11-03 03:29:15,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:29:16,128 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:29:16,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:16 WrapperNode [2022-11-03 03:29:16,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:29:16,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:29:16,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:29:16,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:29:16,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:16" (1/1) ... [2022-11-03 03:29:16,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:16" (1/1) ... [2022-11-03 03:29:16,431 INFO L138 Inliner]: procedures = 642, calls = 3004, calls flagged for inlining = 308, calls inlined = 202, statements flattened = 4626 [2022-11-03 03:29:16,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:29:16,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:29:16,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:29:16,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:29:16,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:16" (1/1) ... [2022-11-03 03:29:16,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:16" (1/1) ... [2022-11-03 03:29:16,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:16" (1/1) ... [2022-11-03 03:29:16,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:16" (1/1) ... [2022-11-03 03:29:16,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:16" (1/1) ... [2022-11-03 03:29:16,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:16" (1/1) ... [2022-11-03 03:29:16,630 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:16" (1/1) ... [2022-11-03 03:29:16,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:16" (1/1) ... [2022-11-03 03:29:16,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:29:16,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:29:16,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:29:16,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:29:16,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:16" (1/1) ... [2022-11-03 03:29:16,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:29:16,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:29:16,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:29:16,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:29:16,770 INFO L130 BoogieDeclarations]: Found specification of procedure doc_read_page_prepare [2022-11-03 03:29:16,771 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_read_page_prepare [2022-11-03 03:29:16,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 03:29:16,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 03:29:16,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 03:29:16,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 03:29:16,772 INFO L130 BoogieDeclarations]: Found specification of procedure doc_writeb [2022-11-03 03:29:16,772 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_writeb [2022-11-03 03:29:16,772 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-03 03:29:16,773 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-03 03:29:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 03:29:16,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 03:29:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure doc_writew [2022-11-03 03:29:16,775 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_writew [2022-11-03 03:29:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 03:29:16,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 03:29:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure doc_read_page_ecc_init [2022-11-03 03:29:16,775 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_read_page_ecc_init [2022-11-03 03:29:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-03 03:29:16,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-03 03:29:16,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_docg3_cascade [2022-11-03 03:29:16,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_docg3_cascade [2022-11-03 03:29:16,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 03:29:16,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 03:29:16,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_pm_ops_instance_6 [2022-11-03 03:29:16,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_pm_ops_instance_6 [2022-11-03 03:29:16,777 INFO L130 BoogieDeclarations]: Found specification of procedure doc_set_reliable_mode [2022-11-03 03:29:16,777 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_set_reliable_mode [2022-11-03 03:29:16,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 03:29:16,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 03:29:16,777 INFO L130 BoogieDeclarations]: Found specification of procedure doc_read_data_area [2022-11-03 03:29:16,777 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_read_data_area [2022-11-03 03:29:16,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 03:29:16,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 03:29:16,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-03 03:29:16,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-03 03:29:16,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:29:16,778 INFO L130 BoogieDeclarations]: Found specification of procedure doc_is_ready [2022-11-03 03:29:16,778 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_is_ready [2022-11-03 03:29:16,779 INFO L130 BoogieDeclarations]: Found specification of procedure doc_register_readw [2022-11-03 03:29:16,779 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_register_readw [2022-11-03 03:29:16,779 INFO L130 BoogieDeclarations]: Found specification of procedure docg3_release [2022-11-03 03:29:16,779 INFO L138 BoogieDeclarations]: Found implementation of procedure docg3_release [2022-11-03 03:29:16,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-03 03:29:16,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-03 03:29:16,779 INFO L130 BoogieDeclarations]: Found specification of procedure doc_register_readb [2022-11-03 03:29:16,780 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_register_readb [2022-11-03 03:29:16,780 INFO L130 BoogieDeclarations]: Found specification of procedure docg3_resume [2022-11-03 03:29:16,780 INFO L138 BoogieDeclarations]: Found implementation of procedure docg3_resume [2022-11-03 03:29:16,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 03:29:16,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-03 03:29:16,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-03 03:29:16,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 03:29:16,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 03:29:16,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 03:29:16,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 03:29:16,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:29:16,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 03:29:16,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 03:29:16,782 INFO L130 BoogieDeclarations]: Found specification of procedure doc_readw [2022-11-03 03:29:16,782 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_readw [2022-11-03 03:29:16,782 INFO L130 BoogieDeclarations]: Found specification of procedure doc_release_device [2022-11-03 03:29:16,782 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_release_device [2022-11-03 03:29:16,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 03:29:16,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 03:29:16,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 03:29:16,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 03:29:16,788 INFO L130 BoogieDeclarations]: Found specification of procedure doc_readb [2022-11-03 03:29:16,788 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_readb [2022-11-03 03:29:16,788 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-11-03 03:29:16,788 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-11-03 03:29:16,788 INFO L130 BoogieDeclarations]: Found specification of procedure trace_define_field [2022-11-03 03:29:16,788 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_define_field [2022-11-03 03:29:16,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 03:29:16,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 03:29:16,790 INFO L130 BoogieDeclarations]: Found specification of procedure doc_set_device_id [2022-11-03 03:29:16,790 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_set_device_id [2022-11-03 03:29:16,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 03:29:16,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 03:29:16,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2022-11-03 03:29:16,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2022-11-03 03:29:16,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:29:16,791 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-11-03 03:29:16,791 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-11-03 03:29:16,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-03 03:29:16,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-03 03:29:16,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:29:16,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 03:29:16,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 03:29:16,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:29:16,792 INFO L130 BoogieDeclarations]: Found specification of procedure doc_delay [2022-11-03 03:29:16,792 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_delay [2022-11-03 03:29:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 03:29:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:29:16,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:29:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 03:29:16,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 03:29:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-11-03 03:29:16,793 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-11-03 03:29:16,794 INFO L130 BoogieDeclarations]: Found specification of procedure doc_read_page_getbytes [2022-11-03 03:29:16,794 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_read_page_getbytes [2022-11-03 03:29:16,794 INFO L130 BoogieDeclarations]: Found specification of procedure doc_set_asic_mode [2022-11-03 03:29:16,794 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_set_asic_mode [2022-11-03 03:29:16,794 INFO L130 BoogieDeclarations]: Found specification of procedure doc_flash_sequence [2022-11-03 03:29:16,794 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_flash_sequence [2022-11-03 03:29:16,794 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-11-03 03:29:16,794 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-11-03 03:29:16,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 03:29:16,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 03:29:16,795 INFO L130 BoogieDeclarations]: Found specification of procedure docg3_suspend [2022-11-03 03:29:16,795 INFO L138 BoogieDeclarations]: Found implementation of procedure docg3_suspend [2022-11-03 03:29:16,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:29:16,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:29:16,795 INFO L130 BoogieDeclarations]: Found specification of procedure docg3_probe [2022-11-03 03:29:16,796 INFO L138 BoogieDeclarations]: Found implementation of procedure docg3_probe [2022-11-03 03:29:16,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 03:29:16,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 03:29:16,796 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-03 03:29:16,796 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-03 03:29:16,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-03 03:29:16,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-03 03:29:16,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-03 03:29:16,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-03 03:29:16,798 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2022-11-03 03:29:16,798 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2022-11-03 03:29:16,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 03:29:16,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 03:29:16,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:29:16,798 INFO L130 BoogieDeclarations]: Found specification of procedure doc_page_finish [2022-11-03 03:29:16,798 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_page_finish [2022-11-03 03:29:16,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 03:29:16,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 03:29:16,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:29:16,799 INFO L130 BoogieDeclarations]: Found specification of procedure doc_reset_seq [2022-11-03 03:29:16,799 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_reset_seq [2022-11-03 03:29:16,799 INFO L130 BoogieDeclarations]: Found specification of procedure doc_flash_command [2022-11-03 03:29:16,799 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_flash_command [2022-11-03 03:29:16,799 INFO L130 BoogieDeclarations]: Found specification of procedure doc_read_page_finish [2022-11-03 03:29:16,799 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_read_page_finish [2022-11-03 03:29:16,800 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock_sched_notrace [2022-11-03 03:29:16,800 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock_sched_notrace [2022-11-03 03:29:16,800 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-03 03:29:16,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-03 03:29:16,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:29:16,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-03 03:29:16,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-03 03:29:16,801 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 03:29:16,801 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 03:29:16,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 03:29:16,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 03:29:16,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_docg3_cascade [2022-11-03 03:29:16,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_docg3_cascade [2022-11-03 03:29:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 03:29:16,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 03:29:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 03:29:16,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 03:29:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 03:29:16,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 03:29:16,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-03 03:29:16,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-03 03:29:16,803 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_dev2docg3 [2022-11-03 03:29:16,803 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_dev2docg3 [2022-11-03 03:29:16,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 03:29:16,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 03:29:16,803 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-11-03 03:29:16,803 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-11-03 03:29:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 03:29:16,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 03:29:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 03:29:16,804 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 03:29:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-03 03:29:16,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-03 03:29:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-03 03:29:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-03 03:29:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:29:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 03:29:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 03:29:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-03 03:29:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-03 03:29:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure doc_flash_address [2022-11-03 03:29:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_flash_address [2022-11-03 03:29:16,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 03:29:16,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 03:29:16,806 INFO L130 BoogieDeclarations]: Found specification of procedure trace_docg3_io [2022-11-03 03:29:16,806 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_docg3_io [2022-11-03 03:29:16,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 03:29:16,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 03:29:16,806 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-03 03:29:16,807 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-03 03:29:16,807 INFO L130 BoogieDeclarations]: Found specification of procedure doc_wait_ready [2022-11-03 03:29:16,807 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_wait_ready [2022-11-03 03:29:16,807 INFO L130 BoogieDeclarations]: Found specification of procedure free_bch [2022-11-03 03:29:16,807 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bch [2022-11-03 03:29:16,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 03:29:16,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 03:29:16,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 03:29:16,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 03:29:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:29:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure doc_setup_addr_sector [2022-11-03 03:29:16,808 INFO L138 BoogieDeclarations]: Found implementation of procedure doc_setup_addr_sector [2022-11-03 03:29:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-11-03 03:29:16,808 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-11-03 03:29:17,565 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:29:17,568 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:29:18,614 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 03:29:29,348 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:29:30,107 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:29:30,108 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-03 03:29:30,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:29:30 BoogieIcfgContainer [2022-11-03 03:29:30,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:29:30,119 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:29:30,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:29:30,123 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:29:30,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:29:11" (1/3) ... [2022-11-03 03:29:30,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4004ec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:29:30, skipping insertion in model container [2022-11-03 03:29:30,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:16" (2/3) ... [2022-11-03 03:29:30,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4004ec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:29:30, skipping insertion in model container [2022-11-03 03:29:30,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:29:30" (3/3) ... [2022-11-03 03:29:30,129 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--mtd--devices--docg3.ko.cil.i [2022-11-03 03:29:30,150 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:29:30,150 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2022-11-03 03:29:30,264 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:29:30,274 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@254d3810, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:29:30,274 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-11-03 03:29:30,284 INFO L276 IsEmpty]: Start isEmpty. Operand has 1292 states, 708 states have (on average 1.3163841807909604) internal successors, (932), 780 states have internal predecessors, (932), 463 states have call successors, (463), 94 states have call predecessors, (463), 93 states have return successors, (452), 442 states have call predecessors, (452), 452 states have call successors, (452) [2022-11-03 03:29:30,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-03 03:29:30,295 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:30,295 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 03:29:30,296 INFO L420 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 25 more)] === [2022-11-03 03:29:30,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:30,305 INFO L85 PathProgramCache]: Analyzing trace with hash 695989456, now seen corresponding path program 1 times [2022-11-03 03:29:30,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:30,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078992931] [2022-11-03 03:29:30,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:30,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:31,683 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 03:29:31,684 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:31,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078992931] [2022-11-03 03:29:31,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078992931] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:29:31,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:29:31,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:29:31,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279665175] [2022-11-03 03:29:31,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:29:31,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:29:31,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:29:31,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:29:31,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:29:31,740 INFO L87 Difference]: Start difference. First operand has 1292 states, 708 states have (on average 1.3163841807909604) internal successors, (932), 780 states have internal predecessors, (932), 463 states have call successors, (463), 94 states have call predecessors, (463), 93 states have return successors, (452), 442 states have call predecessors, (452), 452 states have call successors, (452) Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-03 03:29:35,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:36,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:29:36,099 INFO L93 Difference]: Finished difference Result 2802 states and 4076 transitions. [2022-11-03 03:29:36,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:29:36,102 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 36 [2022-11-03 03:29:36,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:29:36,139 INFO L225 Difference]: With dead ends: 2802 [2022-11-03 03:29:36,139 INFO L226 Difference]: Without dead ends: 1518 [2022-11-03 03:29:36,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:29:36,162 INFO L413 NwaCegarLoop]: 1655 mSDtfsCounter, 1537 mSDsluCounter, 2469 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1544 SdHoareTripleChecker+Valid, 3826 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:29:36,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1544 Valid, 3826 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 524 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-11-03 03:29:36,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1518 states. [2022-11-03 03:29:36,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1518 to 1509. [2022-11-03 03:29:36,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1509 states, 842 states have (on average 1.2719714964370545) internal successors, (1071), 914 states have internal predecessors, (1071), 519 states have call successors, (519), 123 states have call predecessors, (519), 122 states have return successors, (517), 505 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-03 03:29:36,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1509 states and 2107 transitions. [2022-11-03 03:29:36,370 INFO L78 Accepts]: Start accepts. Automaton has 1509 states and 2107 transitions. Word has length 36 [2022-11-03 03:29:36,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:29:36,371 INFO L495 AbstractCegarLoop]: Abstraction has 1509 states and 2107 transitions. [2022-11-03 03:29:36,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-03 03:29:36,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 2107 transitions. [2022-11-03 03:29:36,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-03 03:29:36,373 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:36,374 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 03:29:36,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:29:36,374 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-03 03:29:36,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:36,375 INFO L85 PathProgramCache]: Analyzing trace with hash 308771682, now seen corresponding path program 1 times [2022-11-03 03:29:36,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:36,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040612838] [2022-11-03 03:29:36,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:36,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:37,159 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 03:29:37,159 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:37,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040612838] [2022-11-03 03:29:37,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040612838] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:29:37,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:29:37,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:29:37,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173460334] [2022-11-03 03:29:37,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:29:37,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:29:37,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:29:37,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:29:37,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:29:37,163 INFO L87 Difference]: Start difference. First operand 1509 states and 2107 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-03 03:29:40,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:40,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:29:40,858 INFO L93 Difference]: Finished difference Result 1518 states and 2118 transitions. [2022-11-03 03:29:40,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:29:40,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 41 [2022-11-03 03:29:40,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:29:40,870 INFO L225 Difference]: With dead ends: 1518 [2022-11-03 03:29:40,871 INFO L226 Difference]: Without dead ends: 1516 [2022-11-03 03:29:40,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:29:40,873 INFO L413 NwaCegarLoop]: 1625 mSDtfsCounter, 1505 mSDsluCounter, 2436 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1512 SdHoareTripleChecker+Valid, 3764 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:29:40,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1512 Valid, 3764 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 522 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-11-03 03:29:40,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1516 states. [2022-11-03 03:29:40,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1516 to 1507. [2022-11-03 03:29:40,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1507 states, 841 states have (on average 1.2711058263971462) internal successors, (1069), 912 states have internal predecessors, (1069), 519 states have call successors, (519), 123 states have call predecessors, (519), 122 states have return successors, (517), 505 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-03 03:29:40,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1507 states and 2105 transitions. [2022-11-03 03:29:40,983 INFO L78 Accepts]: Start accepts. Automaton has 1507 states and 2105 transitions. Word has length 41 [2022-11-03 03:29:40,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:29:40,983 INFO L495 AbstractCegarLoop]: Abstraction has 1507 states and 2105 transitions. [2022-11-03 03:29:40,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-03 03:29:40,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 2105 transitions. [2022-11-03 03:29:40,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-03 03:29:40,985 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:40,986 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 03:29:40,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:29:40,986 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-03 03:29:40,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:40,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1807539982, now seen corresponding path program 1 times [2022-11-03 03:29:40,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:40,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800441342] [2022-11-03 03:29:40,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:40,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:41,532 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 03:29:41,532 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:41,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800441342] [2022-11-03 03:29:41,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800441342] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:29:41,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:29:41,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:29:41,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441414168] [2022-11-03 03:29:41,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:29:41,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:29:41,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:29:41,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:29:41,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:29:41,535 INFO L87 Difference]: Start difference. First operand 1507 states and 2105 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-03 03:29:45,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:45,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:29:45,714 INFO L93 Difference]: Finished difference Result 1516 states and 2116 transitions. [2022-11-03 03:29:45,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:29:45,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 46 [2022-11-03 03:29:45,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:29:45,726 INFO L225 Difference]: With dead ends: 1516 [2022-11-03 03:29:45,727 INFO L226 Difference]: Without dead ends: 1514 [2022-11-03 03:29:45,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:29:45,729 INFO L413 NwaCegarLoop]: 1623 mSDtfsCounter, 1502 mSDsluCounter, 2434 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 3760 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:29:45,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1509 Valid, 3760 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 522 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-11-03 03:29:45,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2022-11-03 03:29:45,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 1505. [2022-11-03 03:29:45,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1505 states, 840 states have (on average 1.2702380952380952) internal successors, (1067), 910 states have internal predecessors, (1067), 519 states have call successors, (519), 123 states have call predecessors, (519), 122 states have return successors, (517), 505 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-03 03:29:45,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 2103 transitions. [2022-11-03 03:29:45,835 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 2103 transitions. Word has length 46 [2022-11-03 03:29:45,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:29:45,836 INFO L495 AbstractCegarLoop]: Abstraction has 1505 states and 2103 transitions. [2022-11-03 03:29:45,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-03 03:29:45,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 2103 transitions. [2022-11-03 03:29:45,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-03 03:29:45,838 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:45,838 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 03:29:45,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:29:45,838 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-03 03:29:45,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:45,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1669282941, now seen corresponding path program 1 times [2022-11-03 03:29:45,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:45,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403124831] [2022-11-03 03:29:45,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:45,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:46,404 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 03:29:46,405 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:46,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403124831] [2022-11-03 03:29:46,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403124831] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:29:46,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:29:46,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:29:46,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343350447] [2022-11-03 03:29:46,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:29:46,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:29:46,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:29:46,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:29:46,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:29:46,409 INFO L87 Difference]: Start difference. First operand 1505 states and 2103 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-03 03:29:50,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:50,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:29:50,585 INFO L93 Difference]: Finished difference Result 1514 states and 2114 transitions. [2022-11-03 03:29:50,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:29:50,585 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 51 [2022-11-03 03:29:50,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:29:50,598 INFO L225 Difference]: With dead ends: 1514 [2022-11-03 03:29:50,598 INFO L226 Difference]: Without dead ends: 1512 [2022-11-03 03:29:50,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:29:50,602 INFO L413 NwaCegarLoop]: 1621 mSDtfsCounter, 1499 mSDsluCounter, 2432 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1506 SdHoareTripleChecker+Valid, 3756 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:29:50,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1506 Valid, 3756 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 522 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-11-03 03:29:50,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2022-11-03 03:29:50,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 1503. [2022-11-03 03:29:50,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1503 states, 839 states have (on average 1.269368295589988) internal successors, (1065), 908 states have internal predecessors, (1065), 519 states have call successors, (519), 123 states have call predecessors, (519), 122 states have return successors, (517), 505 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-03 03:29:50,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 2101 transitions. [2022-11-03 03:29:50,811 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 2101 transitions. Word has length 51 [2022-11-03 03:29:50,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:29:50,811 INFO L495 AbstractCegarLoop]: Abstraction has 1503 states and 2101 transitions. [2022-11-03 03:29:50,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-03 03:29:50,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 2101 transitions. [2022-11-03 03:29:50,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-03 03:29:50,819 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:50,820 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 03:29:50,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:29:50,820 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-03 03:29:50,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:50,821 INFO L85 PathProgramCache]: Analyzing trace with hash 141599472, now seen corresponding path program 1 times [2022-11-03 03:29:50,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:50,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865693700] [2022-11-03 03:29:50,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:50,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:51,497 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 03:29:51,498 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:51,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865693700] [2022-11-03 03:29:51,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865693700] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:29:51,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:29:51,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:29:51,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440962986] [2022-11-03 03:29:51,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:29:51,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:29:51,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:29:51,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:29:51,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:29:51,501 INFO L87 Difference]: Start difference. First operand 1503 states and 2101 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 03:29:55,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:29:55,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:29:55,656 INFO L93 Difference]: Finished difference Result 1512 states and 2112 transitions. [2022-11-03 03:29:55,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:29:55,657 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 56 [2022-11-03 03:29:55,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:29:55,667 INFO L225 Difference]: With dead ends: 1512 [2022-11-03 03:29:55,667 INFO L226 Difference]: Without dead ends: 1510 [2022-11-03 03:29:55,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:29:55,669 INFO L413 NwaCegarLoop]: 1619 mSDtfsCounter, 1496 mSDsluCounter, 2430 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1503 SdHoareTripleChecker+Valid, 3752 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:29:55,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1503 Valid, 3752 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 522 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-11-03 03:29:55,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1510 states. [2022-11-03 03:29:55,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1510 to 1501. [2022-11-03 03:29:55,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1501 states, 838 states have (on average 1.2684964200477327) internal successors, (1063), 906 states have internal predecessors, (1063), 519 states have call successors, (519), 123 states have call predecessors, (519), 122 states have return successors, (517), 505 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-03 03:29:55,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 1501 states and 2099 transitions. [2022-11-03 03:29:55,784 INFO L78 Accepts]: Start accepts. Automaton has 1501 states and 2099 transitions. Word has length 56 [2022-11-03 03:29:55,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:29:55,786 INFO L495 AbstractCegarLoop]: Abstraction has 1501 states and 2099 transitions. [2022-11-03 03:29:55,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 03:29:55,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 2099 transitions. [2022-11-03 03:29:55,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-03 03:29:55,790 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:55,790 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 03:29:55,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 03:29:55,791 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-03 03:29:55,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:55,792 INFO L85 PathProgramCache]: Analyzing trace with hash -2077723148, now seen corresponding path program 1 times [2022-11-03 03:29:55,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:55,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190075548] [2022-11-03 03:29:55,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:55,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:56,333 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 03:29:56,333 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:56,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190075548] [2022-11-03 03:29:56,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190075548] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:29:56,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:29:56,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:29:56,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265307617] [2022-11-03 03:29:56,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:29:56,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:29:56,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:29:56,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:29:56,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:29:56,336 INFO L87 Difference]: Start difference. First operand 1501 states and 2099 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 03:29:57,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:00,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:00,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:00,528 INFO L93 Difference]: Finished difference Result 1510 states and 2110 transitions. [2022-11-03 03:30:00,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:30:00,528 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 61 [2022-11-03 03:30:00,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:00,539 INFO L225 Difference]: With dead ends: 1510 [2022-11-03 03:30:00,539 INFO L226 Difference]: Without dead ends: 1508 [2022-11-03 03:30:00,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:30:00,541 INFO L413 NwaCegarLoop]: 1617 mSDtfsCounter, 1493 mSDsluCounter, 2428 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1500 SdHoareTripleChecker+Valid, 3748 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:00,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1500 Valid, 3748 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 522 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-11-03 03:30:00,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1508 states. [2022-11-03 03:30:00,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1508 to 1499. [2022-11-03 03:30:00,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1499 states, 837 states have (on average 1.2676224611708482) internal successors, (1061), 904 states have internal predecessors, (1061), 519 states have call successors, (519), 123 states have call predecessors, (519), 122 states have return successors, (517), 505 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-03 03:30:00,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1499 states and 2097 transitions. [2022-11-03 03:30:00,649 INFO L78 Accepts]: Start accepts. Automaton has 1499 states and 2097 transitions. Word has length 61 [2022-11-03 03:30:00,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:00,649 INFO L495 AbstractCegarLoop]: Abstraction has 1499 states and 2097 transitions. [2022-11-03 03:30:00,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-03 03:30:00,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 2097 transitions. [2022-11-03 03:30:00,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-03 03:30:00,651 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:00,651 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 03:30:00,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 03:30:00,651 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-03 03:30:00,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:00,652 INFO L85 PathProgramCache]: Analyzing trace with hash -810269737, now seen corresponding path program 1 times [2022-11-03 03:30:00,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:00,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337039473] [2022-11-03 03:30:00,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:00,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:01,147 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 03:30:01,148 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:01,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337039473] [2022-11-03 03:30:01,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337039473] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:30:01,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:30:01,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:30:01,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436029905] [2022-11-03 03:30:01,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:30:01,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:30:01,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:01,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:30:01,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:30:01,150 INFO L87 Difference]: Start difference. First operand 1499 states and 2097 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 03:30:04,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:04,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:04,930 INFO L93 Difference]: Finished difference Result 1508 states and 2108 transitions. [2022-11-03 03:30:04,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:30:04,930 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 66 [2022-11-03 03:30:04,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:04,939 INFO L225 Difference]: With dead ends: 1508 [2022-11-03 03:30:04,939 INFO L226 Difference]: Without dead ends: 1506 [2022-11-03 03:30:04,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:30:04,941 INFO L413 NwaCegarLoop]: 1615 mSDtfsCounter, 1490 mSDsluCounter, 2426 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1497 SdHoareTripleChecker+Valid, 3744 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:04,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1497 Valid, 3744 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 522 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-11-03 03:30:04,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2022-11-03 03:30:05,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1497. [2022-11-03 03:30:05,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1497 states, 836 states have (on average 1.2667464114832536) internal successors, (1059), 902 states have internal predecessors, (1059), 519 states have call successors, (519), 123 states have call predecessors, (519), 122 states have return successors, (517), 505 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-03 03:30:05,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1497 states and 2095 transitions. [2022-11-03 03:30:05,056 INFO L78 Accepts]: Start accepts. Automaton has 1497 states and 2095 transitions. Word has length 66 [2022-11-03 03:30:05,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:05,056 INFO L495 AbstractCegarLoop]: Abstraction has 1497 states and 2095 transitions. [2022-11-03 03:30:05,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 03:30:05,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 2095 transitions. [2022-11-03 03:30:05,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-03 03:30:05,058 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:05,058 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 03:30:05,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 03:30:05,059 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-03 03:30:05,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:05,061 INFO L85 PathProgramCache]: Analyzing trace with hash -240152734, now seen corresponding path program 1 times [2022-11-03 03:30:05,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:05,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806270584] [2022-11-03 03:30:05,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:05,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:05,557 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 03:30:05,557 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:05,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806270584] [2022-11-03 03:30:05,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806270584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:30:05,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:30:05,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:30:05,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645058447] [2022-11-03 03:30:05,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:30:05,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:30:05,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:05,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:30:05,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:30:05,560 INFO L87 Difference]: Start difference. First operand 1497 states and 2095 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-03 03:30:07,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:10,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:10,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:10,533 INFO L93 Difference]: Finished difference Result 1506 states and 2106 transitions. [2022-11-03 03:30:10,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:30:10,533 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 71 [2022-11-03 03:30:10,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:10,543 INFO L225 Difference]: With dead ends: 1506 [2022-11-03 03:30:10,543 INFO L226 Difference]: Without dead ends: 1504 [2022-11-03 03:30:10,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:30:10,545 INFO L413 NwaCegarLoop]: 1613 mSDtfsCounter, 1491 mSDsluCounter, 2420 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1498 SdHoareTripleChecker+Valid, 3736 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:10,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1498 Valid, 3736 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 522 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-11-03 03:30:10,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1504 states. [2022-11-03 03:30:10,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1504 to 1495. [2022-11-03 03:30:10,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1495 states, 835 states have (on average 1.2658682634730538) internal successors, (1057), 900 states have internal predecessors, (1057), 519 states have call successors, (519), 123 states have call predecessors, (519), 122 states have return successors, (517), 505 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-03 03:30:10,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1495 states and 2093 transitions. [2022-11-03 03:30:10,664 INFO L78 Accepts]: Start accepts. Automaton has 1495 states and 2093 transitions. Word has length 71 [2022-11-03 03:30:10,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:10,665 INFO L495 AbstractCegarLoop]: Abstraction has 1495 states and 2093 transitions. [2022-11-03 03:30:10,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-03 03:30:10,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 2093 transitions. [2022-11-03 03:30:10,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-03 03:30:10,666 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:10,666 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 03:30:10,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 03:30:10,667 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-03 03:30:10,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:10,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1141601061, now seen corresponding path program 1 times [2022-11-03 03:30:10,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:10,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228119888] [2022-11-03 03:30:10,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:10,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:11,157 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 03:30:11,157 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:11,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228119888] [2022-11-03 03:30:11,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228119888] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:30:11,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:30:11,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:30:11,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663535752] [2022-11-03 03:30:11,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:30:11,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:30:11,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:11,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:30:11,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:30:11,161 INFO L87 Difference]: Start difference. First operand 1495 states and 2093 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-03 03:30:12,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:15,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:15,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:15,592 INFO L93 Difference]: Finished difference Result 1504 states and 2104 transitions. [2022-11-03 03:30:15,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:30:15,592 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 73 [2022-11-03 03:30:15,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:15,602 INFO L225 Difference]: With dead ends: 1504 [2022-11-03 03:30:15,603 INFO L226 Difference]: Without dead ends: 1502 [2022-11-03 03:30:15,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:30:15,605 INFO L413 NwaCegarLoop]: 1611 mSDtfsCounter, 1483 mSDsluCounter, 2422 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1490 SdHoareTripleChecker+Valid, 3736 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:15,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1490 Valid, 3736 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 522 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-11-03 03:30:15,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1502 states. [2022-11-03 03:30:15,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1502 to 1493. [2022-11-03 03:30:15,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1493 states, 834 states have (on average 1.264988009592326) internal successors, (1055), 898 states have internal predecessors, (1055), 519 states have call successors, (519), 123 states have call predecessors, (519), 122 states have return successors, (517), 505 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-03 03:30:15,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 2091 transitions. [2022-11-03 03:30:15,798 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 2091 transitions. Word has length 73 [2022-11-03 03:30:15,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:15,800 INFO L495 AbstractCegarLoop]: Abstraction has 1493 states and 2091 transitions. [2022-11-03 03:30:15,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-03 03:30:15,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 2091 transitions. [2022-11-03 03:30:15,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-03 03:30:15,806 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:15,806 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:30:15,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 03:30:15,807 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-03 03:30:15,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:15,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1361060451, now seen corresponding path program 1 times [2022-11-03 03:30:15,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:15,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017566067] [2022-11-03 03:30:15,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:15,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:16,282 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 03:30:16,283 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:16,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017566067] [2022-11-03 03:30:16,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017566067] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:30:16,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:30:16,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:30:16,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596102692] [2022-11-03 03:30:16,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:30:16,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:30:16,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:16,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:30:16,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:30:16,285 INFO L87 Difference]: Start difference. First operand 1493 states and 2091 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 03:30:20,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:20,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:20,596 INFO L93 Difference]: Finished difference Result 1502 states and 2102 transitions. [2022-11-03 03:30:20,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:30:20,597 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 78 [2022-11-03 03:30:20,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:20,605 INFO L225 Difference]: With dead ends: 1502 [2022-11-03 03:30:20,606 INFO L226 Difference]: Without dead ends: 1500 [2022-11-03 03:30:20,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:30:20,608 INFO L413 NwaCegarLoop]: 1609 mSDtfsCounter, 1482 mSDsluCounter, 2420 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1489 SdHoareTripleChecker+Valid, 3732 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:20,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1489 Valid, 3732 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 522 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-11-03 03:30:20,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1500 states. [2022-11-03 03:30:20,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1500 to 1491. [2022-11-03 03:30:20,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1491 states, 833 states have (on average 1.2641056422569028) internal successors, (1053), 896 states have internal predecessors, (1053), 519 states have call successors, (519), 123 states have call predecessors, (519), 122 states have return successors, (517), 505 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-03 03:30:20,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 2089 transitions. [2022-11-03 03:30:20,742 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 2089 transitions. Word has length 78 [2022-11-03 03:30:20,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:20,743 INFO L495 AbstractCegarLoop]: Abstraction has 1491 states and 2089 transitions. [2022-11-03 03:30:20,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 03:30:20,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 2089 transitions. [2022-11-03 03:30:20,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-03 03:30:20,745 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:20,745 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:30:20,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 03:30:20,745 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-03 03:30:20,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:20,746 INFO L85 PathProgramCache]: Analyzing trace with hash 803617159, now seen corresponding path program 1 times [2022-11-03 03:30:20,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:20,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780678212] [2022-11-03 03:30:20,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:20,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:21,196 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 03:30:21,196 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:21,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780678212] [2022-11-03 03:30:21,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780678212] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:30:21,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:30:21,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:30:21,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213898390] [2022-11-03 03:30:21,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:30:21,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:30:21,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:21,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:30:21,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:30:21,199 INFO L87 Difference]: Start difference. First operand 1491 states and 2089 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 03:30:24,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:25,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:25,178 INFO L93 Difference]: Finished difference Result 1500 states and 2100 transitions. [2022-11-03 03:30:25,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:30:25,178 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 83 [2022-11-03 03:30:25,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:25,188 INFO L225 Difference]: With dead ends: 1500 [2022-11-03 03:30:25,188 INFO L226 Difference]: Without dead ends: 1498 [2022-11-03 03:30:25,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:30:25,191 INFO L413 NwaCegarLoop]: 1607 mSDtfsCounter, 1479 mSDsluCounter, 2418 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1486 SdHoareTripleChecker+Valid, 3728 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:25,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1486 Valid, 3728 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 522 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-11-03 03:30:25,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2022-11-03 03:30:25,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1489. [2022-11-03 03:30:25,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1489 states, 832 states have (on average 1.2632211538461537) internal successors, (1051), 894 states have internal predecessors, (1051), 519 states have call successors, (519), 123 states have call predecessors, (519), 122 states have return successors, (517), 505 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-03 03:30:25,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1489 states and 2087 transitions. [2022-11-03 03:30:25,406 INFO L78 Accepts]: Start accepts. Automaton has 1489 states and 2087 transitions. Word has length 83 [2022-11-03 03:30:25,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:25,407 INFO L495 AbstractCegarLoop]: Abstraction has 1489 states and 2087 transitions. [2022-11-03 03:30:25,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 03:30:25,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 2087 transitions. [2022-11-03 03:30:25,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-03 03:30:25,409 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:25,409 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:30:25,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 03:30:25,410 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-03 03:30:25,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:25,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1464370417, now seen corresponding path program 1 times [2022-11-03 03:30:25,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:25,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781096082] [2022-11-03 03:30:25,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:25,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:25,967 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 03:30:25,968 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:25,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781096082] [2022-11-03 03:30:25,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781096082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:30:25,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:30:25,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:30:25,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447650941] [2022-11-03 03:30:25,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:30:25,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:30:25,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:25,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:30:25,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:30:25,970 INFO L87 Difference]: Start difference. First operand 1489 states and 2087 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 03:30:27,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:30,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:30,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:30,385 INFO L93 Difference]: Finished difference Result 1498 states and 2098 transitions. [2022-11-03 03:30:30,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:30:30,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 88 [2022-11-03 03:30:30,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:30,394 INFO L225 Difference]: With dead ends: 1498 [2022-11-03 03:30:30,394 INFO L226 Difference]: Without dead ends: 1496 [2022-11-03 03:30:30,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:30:30,396 INFO L413 NwaCegarLoop]: 1605 mSDtfsCounter, 1476 mSDsluCounter, 2416 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1483 SdHoareTripleChecker+Valid, 3724 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:30,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1483 Valid, 3724 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 522 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-11-03 03:30:30,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1496 states. [2022-11-03 03:30:30,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1496 to 1487. [2022-11-03 03:30:30,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1487 states, 831 states have (on average 1.2623345367027679) internal successors, (1049), 892 states have internal predecessors, (1049), 519 states have call successors, (519), 123 states have call predecessors, (519), 122 states have return successors, (517), 505 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-03 03:30:30,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 1487 states and 2085 transitions. [2022-11-03 03:30:30,543 INFO L78 Accepts]: Start accepts. Automaton has 1487 states and 2085 transitions. Word has length 88 [2022-11-03 03:30:30,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:30,544 INFO L495 AbstractCegarLoop]: Abstraction has 1487 states and 2085 transitions. [2022-11-03 03:30:30,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-03 03:30:30,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 2085 transitions. [2022-11-03 03:30:30,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-03 03:30:30,546 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:30,546 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:30:30,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-03 03:30:30,547 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-03 03:30:30,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:30,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1521654905, now seen corresponding path program 1 times [2022-11-03 03:30:30,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:30,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608410646] [2022-11-03 03:30:30,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:30,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:31,051 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 03:30:31,052 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:31,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608410646] [2022-11-03 03:30:31,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608410646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:30:31,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:30:31,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:30:31,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262832821] [2022-11-03 03:30:31,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:30:31,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:30:31,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:31,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:30:31,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:30:31,054 INFO L87 Difference]: Start difference. First operand 1487 states and 2085 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 03:30:34,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:35,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:35,089 INFO L93 Difference]: Finished difference Result 1496 states and 2096 transitions. [2022-11-03 03:30:35,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:30:35,089 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 93 [2022-11-03 03:30:35,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:35,097 INFO L225 Difference]: With dead ends: 1496 [2022-11-03 03:30:35,097 INFO L226 Difference]: Without dead ends: 1494 [2022-11-03 03:30:35,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:30:35,098 INFO L413 NwaCegarLoop]: 1603 mSDtfsCounter, 1473 mSDsluCounter, 2414 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1480 SdHoareTripleChecker+Valid, 3720 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:35,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1480 Valid, 3720 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 522 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-11-03 03:30:35,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2022-11-03 03:30:35,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 1485. [2022-11-03 03:30:35,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1485 states, 830 states have (on average 1.26144578313253) internal successors, (1047), 890 states have internal predecessors, (1047), 519 states have call successors, (519), 123 states have call predecessors, (519), 122 states have return successors, (517), 505 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-03 03:30:35,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 2083 transitions. [2022-11-03 03:30:35,301 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 2083 transitions. Word has length 93 [2022-11-03 03:30:35,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:35,303 INFO L495 AbstractCegarLoop]: Abstraction has 1485 states and 2083 transitions. [2022-11-03 03:30:35,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 03:30:35,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 2083 transitions. [2022-11-03 03:30:35,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-03 03:30:35,306 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:35,306 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 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] [2022-11-03 03:30:35,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-03 03:30:35,307 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-03 03:30:35,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:35,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1459721526, now seen corresponding path program 1 times [2022-11-03 03:30:35,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:35,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426689153] [2022-11-03 03:30:35,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:35,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:35,757 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-03 03:30:35,758 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:35,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426689153] [2022-11-03 03:30:35,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426689153] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:30:35,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:30:35,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:30:35,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796896931] [2022-11-03 03:30:35,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:30:35,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:30:35,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:35,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:30:35,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:30:35,760 INFO L87 Difference]: Start difference. First operand 1485 states and 2083 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2022-11-03 03:30:38,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:39,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:39,205 INFO L93 Difference]: Finished difference Result 2934 states and 4103 transitions. [2022-11-03 03:30:39,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:30:39,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 106 [2022-11-03 03:30:39,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:39,213 INFO L225 Difference]: With dead ends: 2934 [2022-11-03 03:30:39,213 INFO L226 Difference]: Without dead ends: 1490 [2022-11-03 03:30:39,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:30:39,222 INFO L413 NwaCegarLoop]: 1599 mSDtfsCounter, 1483 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1487 SdHoareTripleChecker+Valid, 2113 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:39,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1487 Valid, 2113 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 299 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-03 03:30:39,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2022-11-03 03:30:39,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 1481. [2022-11-03 03:30:39,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1481 states, 827 states have (on average 1.2599758162031438) internal successors, (1042), 886 states have internal predecessors, (1042), 519 states have call successors, (519), 123 states have call predecessors, (519), 122 states have return successors, (517), 505 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-03 03:30:39,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1481 states to 1481 states and 2078 transitions. [2022-11-03 03:30:39,381 INFO L78 Accepts]: Start accepts. Automaton has 1481 states and 2078 transitions. Word has length 106 [2022-11-03 03:30:39,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:39,382 INFO L495 AbstractCegarLoop]: Abstraction has 1481 states and 2078 transitions. [2022-11-03 03:30:39,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2022-11-03 03:30:39,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1481 states and 2078 transitions. [2022-11-03 03:30:39,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-03 03:30:39,384 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:39,384 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:30:39,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-03 03:30:39,384 INFO L420 AbstractCegarLoop]: === Iteration 15 === 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 25 more)] === [2022-11-03 03:30:39,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:39,385 INFO L85 PathProgramCache]: Analyzing trace with hash 297312686, now seen corresponding path program 1 times [2022-11-03 03:30:39,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:39,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012394030] [2022-11-03 03:30:39,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:39,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:39,887 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 03:30:39,887 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:39,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012394030] [2022-11-03 03:30:39,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012394030] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:30:39,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:30:39,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:30:39,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413199103] [2022-11-03 03:30:39,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:30:39,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:30:39,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:39,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:30:39,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:30:39,889 INFO L87 Difference]: Start difference. First operand 1481 states and 2078 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 03:30:43,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:43,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:43,930 INFO L93 Difference]: Finished difference Result 1490 states and 2089 transitions. [2022-11-03 03:30:43,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:30:43,931 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 98 [2022-11-03 03:30:43,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:43,939 INFO L225 Difference]: With dead ends: 1490 [2022-11-03 03:30:43,939 INFO L226 Difference]: Without dead ends: 1488 [2022-11-03 03:30:43,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:30:43,941 INFO L413 NwaCegarLoop]: 1596 mSDtfsCounter, 1465 mSDsluCounter, 2407 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1472 SdHoareTripleChecker+Valid, 3706 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:43,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1472 Valid, 3706 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 522 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-11-03 03:30:43,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1488 states. [2022-11-03 03:30:44,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1488 to 1479. [2022-11-03 03:30:44,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1479 states, 826 states have (on average 1.2590799031476998) internal successors, (1040), 884 states have internal predecessors, (1040), 519 states have call successors, (519), 123 states have call predecessors, (519), 122 states have return successors, (517), 505 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-03 03:30:44,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1479 states and 2076 transitions. [2022-11-03 03:30:44,163 INFO L78 Accepts]: Start accepts. Automaton has 1479 states and 2076 transitions. Word has length 98 [2022-11-03 03:30:44,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:44,164 INFO L495 AbstractCegarLoop]: Abstraction has 1479 states and 2076 transitions. [2022-11-03 03:30:44,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-03 03:30:44,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 2076 transitions. [2022-11-03 03:30:44,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-03 03:30:44,166 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:44,166 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:30:44,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-03 03:30:44,166 INFO L420 AbstractCegarLoop]: === Iteration 16 === 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 25 more)] === [2022-11-03 03:30:44,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:44,167 INFO L85 PathProgramCache]: Analyzing trace with hash 2065544965, now seen corresponding path program 1 times [2022-11-03 03:30:44,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:44,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159295679] [2022-11-03 03:30:44,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:44,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:44,681 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 03:30:44,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:44,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159295679] [2022-11-03 03:30:44,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159295679] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:30:44,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:30:44,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:30:44,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421324158] [2022-11-03 03:30:44,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:30:44,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:30:44,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:44,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:30:44,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:30:44,686 INFO L87 Difference]: Start difference. First operand 1479 states and 2076 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-03 03:30:46,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:49,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:49,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:49,594 INFO L93 Difference]: Finished difference Result 1488 states and 2087 transitions. [2022-11-03 03:30:49,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:30:49,595 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 103 [2022-11-03 03:30:49,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:49,603 INFO L225 Difference]: With dead ends: 1488 [2022-11-03 03:30:49,603 INFO L226 Difference]: Without dead ends: 1486 [2022-11-03 03:30:49,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:30:49,605 INFO L413 NwaCegarLoop]: 1594 mSDtfsCounter, 1462 mSDsluCounter, 2405 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1469 SdHoareTripleChecker+Valid, 3702 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:49,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1469 Valid, 3702 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 522 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2022-11-03 03:30:49,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2022-11-03 03:30:49,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1477. [2022-11-03 03:30:49,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1477 states, 825 states have (on average 1.2581818181818183) internal successors, (1038), 882 states have internal predecessors, (1038), 519 states have call successors, (519), 123 states have call predecessors, (519), 122 states have return successors, (517), 505 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-03 03:30:49,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1477 states and 2074 transitions. [2022-11-03 03:30:49,786 INFO L78 Accepts]: Start accepts. Automaton has 1477 states and 2074 transitions. Word has length 103 [2022-11-03 03:30:49,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:49,787 INFO L495 AbstractCegarLoop]: Abstraction has 1477 states and 2074 transitions. [2022-11-03 03:30:49,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-03 03:30:49,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 2074 transitions. [2022-11-03 03:30:49,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-03 03:30:49,789 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:49,789 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 3, 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] [2022-11-03 03:30:49,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-03 03:30:49,790 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_usb_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-03 03:30:49,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:49,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1086108597, now seen corresponding path program 1 times [2022-11-03 03:30:49,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:49,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711565367] [2022-11-03 03:30:49,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:49,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:50,333 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-11-03 03:30:50,333 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:50,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711565367] [2022-11-03 03:30:50,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711565367] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:30:50,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064998054] [2022-11-03 03:30:50,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:50,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:30:50,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:30:50,337 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:30:50,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 03:30:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:51,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 3613 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:30:51,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:30:51,755 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-11-03 03:30:51,755 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:30:51,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064998054] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:30:51,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:30:51,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-11-03 03:30:51,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508314119] [2022-11-03 03:30:51,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:30:51,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:30:51,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:51,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:30:51,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:30:51,758 INFO L87 Difference]: Start difference. First operand 1477 states and 2074 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2022-11-03 03:30:54,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:30:54,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:54,875 INFO L93 Difference]: Finished difference Result 2918 states and 4085 transitions. [2022-11-03 03:30:54,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:30:54,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 114 [2022-11-03 03:30:54,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:54,883 INFO L225 Difference]: With dead ends: 2918 [2022-11-03 03:30:54,883 INFO L226 Difference]: Without dead ends: 1482 [2022-11-03 03:30:54,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:30:54,890 INFO L413 NwaCegarLoop]: 1590 mSDtfsCounter, 1451 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1456 SdHoareTripleChecker+Valid, 2104 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:54,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1456 Valid, 2104 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 299 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-11-03 03:30:54,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2022-11-03 03:30:55,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1473. [2022-11-03 03:30:55,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1473 states, 822 states have (on average 1.25669099756691) internal successors, (1033), 878 states have internal predecessors, (1033), 519 states have call successors, (519), 123 states have call predecessors, (519), 122 states have return successors, (517), 505 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-03 03:30:55,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1473 states and 2069 transitions. [2022-11-03 03:30:55,071 INFO L78 Accepts]: Start accepts. Automaton has 1473 states and 2069 transitions. Word has length 114 [2022-11-03 03:30:55,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:55,072 INFO L495 AbstractCegarLoop]: Abstraction has 1473 states and 2069 transitions. [2022-11-03 03:30:55,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2022-11-03 03:30:55,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 2069 transitions. [2022-11-03 03:30:55,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-03 03:30:55,074 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:55,075 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:30:55,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 03:30:55,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-03 03:30:55,304 INFO L420 AbstractCegarLoop]: === Iteration 18 === 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 25 more)] === [2022-11-03 03:30:55,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:55,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1438157250, now seen corresponding path program 1 times [2022-11-03 03:30:55,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:55,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431187459] [2022-11-03 03:30:55,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:55,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:30:56,039 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 03:30:56,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:30:56,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431187459] [2022-11-03 03:30:56,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431187459] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:30:56,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:30:56,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:30:56,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972411642] [2022-11-03 03:30:56,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:30:56,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:30:56,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:56,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:30:56,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:30:56,042 INFO L87 Difference]: Start difference. First operand 1473 states and 2069 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-03 03:30:59,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:31:00,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:00,001 INFO L93 Difference]: Finished difference Result 1482 states and 2080 transitions. [2022-11-03 03:31:00,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:31:00,001 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 108 [2022-11-03 03:31:00,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:00,008 INFO L225 Difference]: With dead ends: 1482 [2022-11-03 03:31:00,009 INFO L226 Difference]: Without dead ends: 1480 [2022-11-03 03:31:00,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:31:00,010 INFO L413 NwaCegarLoop]: 1587 mSDtfsCounter, 1454 mSDsluCounter, 2398 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1461 SdHoareTripleChecker+Valid, 3688 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:00,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1461 Valid, 3688 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 522 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-11-03 03:31:00,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1480 states. [2022-11-03 03:31:00,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1480 to 1471. [2022-11-03 03:31:00,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1471 states, 821 states have (on average 1.2557856272838002) internal successors, (1031), 876 states have internal predecessors, (1031), 519 states have call successors, (519), 123 states have call predecessors, (519), 122 states have return successors, (517), 505 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-03 03:31:00,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1471 states and 2067 transitions. [2022-11-03 03:31:00,194 INFO L78 Accepts]: Start accepts. Automaton has 1471 states and 2067 transitions. Word has length 108 [2022-11-03 03:31:00,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:00,195 INFO L495 AbstractCegarLoop]: Abstraction has 1471 states and 2067 transitions. [2022-11-03 03:31:00,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-03 03:31:00,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 2067 transitions. [2022-11-03 03:31:00,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-03 03:31:00,197 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:00,197 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:31:00,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-03 03:31:00,198 INFO L420 AbstractCegarLoop]: === Iteration 19 === 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 25 more)] === [2022-11-03 03:31:00,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:00,198 INFO L85 PathProgramCache]: Analyzing trace with hash -964939657, now seen corresponding path program 1 times [2022-11-03 03:31:00,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:00,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147588980] [2022-11-03 03:31:00,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:00,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:00,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:00,626 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 03:31:00,626 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:00,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147588980] [2022-11-03 03:31:00,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147588980] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:00,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:31:00,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:31:00,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941246064] [2022-11-03 03:31:00,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:00,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:31:00,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:00,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:31:00,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:31:00,630 INFO L87 Difference]: Start difference. First operand 1471 states and 2067 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 03:31:04,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:31:04,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:04,827 INFO L93 Difference]: Finished difference Result 1480 states and 2078 transitions. [2022-11-03 03:31:04,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:31:04,827 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 113 [2022-11-03 03:31:04,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:04,836 INFO L225 Difference]: With dead ends: 1480 [2022-11-03 03:31:04,836 INFO L226 Difference]: Without dead ends: 1478 [2022-11-03 03:31:04,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:31:04,838 INFO L413 NwaCegarLoop]: 1585 mSDtfsCounter, 1451 mSDsluCounter, 2396 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1458 SdHoareTripleChecker+Valid, 3684 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:04,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1458 Valid, 3684 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 522 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-11-03 03:31:04,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2022-11-03 03:31:04,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1469. [2022-11-03 03:31:04,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1469 states, 820 states have (on average 1.2548780487804878) internal successors, (1029), 874 states have internal predecessors, (1029), 519 states have call successors, (519), 123 states have call predecessors, (519), 122 states have return successors, (517), 505 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-03 03:31:04,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 2065 transitions. [2022-11-03 03:31:05,000 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 2065 transitions. Word has length 113 [2022-11-03 03:31:05,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:05,000 INFO L495 AbstractCegarLoop]: Abstraction has 1469 states and 2065 transitions. [2022-11-03 03:31:05,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 03:31:05,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 2065 transitions. [2022-11-03 03:31:05,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-03 03:31:05,003 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:05,003 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:31:05,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-03 03:31:05,004 INFO L420 AbstractCegarLoop]: === Iteration 20 === 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 25 more)] === [2022-11-03 03:31:05,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:05,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1700511656, now seen corresponding path program 1 times [2022-11-03 03:31:05,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:05,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567010155] [2022-11-03 03:31:05,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:05,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:05,509 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 03:31:05,509 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:05,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567010155] [2022-11-03 03:31:05,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567010155] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:05,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:31:05,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:31:05,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899890946] [2022-11-03 03:31:05,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:05,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:31:05,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:05,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:31:05,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:31:05,512 INFO L87 Difference]: Start difference. First operand 1469 states and 2065 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 03:31:09,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:31:09,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:09,613 INFO L93 Difference]: Finished difference Result 1478 states and 2076 transitions. [2022-11-03 03:31:09,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:31:09,613 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 118 [2022-11-03 03:31:09,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:09,621 INFO L225 Difference]: With dead ends: 1478 [2022-11-03 03:31:09,621 INFO L226 Difference]: Without dead ends: 1476 [2022-11-03 03:31:09,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:31:09,623 INFO L413 NwaCegarLoop]: 1583 mSDtfsCounter, 1448 mSDsluCounter, 2394 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1455 SdHoareTripleChecker+Valid, 3680 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:09,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1455 Valid, 3680 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 522 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-11-03 03:31:09,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1476 states. [2022-11-03 03:31:09,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1476 to 1467. [2022-11-03 03:31:09,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1467 states, 819 states have (on average 1.253968253968254) internal successors, (1027), 872 states have internal predecessors, (1027), 519 states have call successors, (519), 123 states have call predecessors, (519), 122 states have return successors, (517), 505 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-03 03:31:09,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 2063 transitions. [2022-11-03 03:31:09,823 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 2063 transitions. Word has length 118 [2022-11-03 03:31:09,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:09,824 INFO L495 AbstractCegarLoop]: Abstraction has 1467 states and 2063 transitions. [2022-11-03 03:31:09,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 03:31:09,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 2063 transitions. [2022-11-03 03:31:09,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-03 03:31:09,826 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:09,827 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:31:09,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-03 03:31:09,827 INFO L420 AbstractCegarLoop]: === Iteration 21 === 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 25 more)] === [2022-11-03 03:31:09,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:09,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1636779750, now seen corresponding path program 1 times [2022-11-03 03:31:09,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:09,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356650035] [2022-11-03 03:31:09,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:09,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:10,253 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 03:31:10,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:10,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356650035] [2022-11-03 03:31:10,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356650035] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:10,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:31:10,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:31:10,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682653361] [2022-11-03 03:31:10,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:10,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:31:10,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:10,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:31:10,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:31:10,258 INFO L87 Difference]: Start difference. First operand 1467 states and 2063 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 03:31:13,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:31:14,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:14,136 INFO L93 Difference]: Finished difference Result 1476 states and 2074 transitions. [2022-11-03 03:31:14,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:31:14,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 123 [2022-11-03 03:31:14,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:14,144 INFO L225 Difference]: With dead ends: 1476 [2022-11-03 03:31:14,144 INFO L226 Difference]: Without dead ends: 1474 [2022-11-03 03:31:14,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:31:14,146 INFO L413 NwaCegarLoop]: 1581 mSDtfsCounter, 1445 mSDsluCounter, 2392 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1452 SdHoareTripleChecker+Valid, 3676 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:14,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1452 Valid, 3676 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 522 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-11-03 03:31:14,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2022-11-03 03:31:14,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 1465. [2022-11-03 03:31:14,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1465 states, 818 states have (on average 1.2530562347188263) internal successors, (1025), 870 states have internal predecessors, (1025), 519 states have call successors, (519), 123 states have call predecessors, (519), 122 states have return successors, (517), 505 states have call predecessors, (517), 517 states have call successors, (517) [2022-11-03 03:31:14,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1465 states and 2061 transitions. [2022-11-03 03:31:14,393 INFO L78 Accepts]: Start accepts. Automaton has 1465 states and 2061 transitions. Word has length 123 [2022-11-03 03:31:14,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:14,394 INFO L495 AbstractCegarLoop]: Abstraction has 1465 states and 2061 transitions. [2022-11-03 03:31:14,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 03:31:14,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1465 states and 2061 transitions. [2022-11-03 03:31:14,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-03 03:31:14,397 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:14,397 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 4, 4, 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] [2022-11-03 03:31:14,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-03 03:31:14,397 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-03 03:31:14,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:14,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1686010327, now seen corresponding path program 1 times [2022-11-03 03:31:14,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:14,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171404063] [2022-11-03 03:31:14,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:14,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:15,309 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-11-03 03:31:15,309 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:15,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171404063] [2022-11-03 03:31:15,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171404063] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:31:15,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815336497] [2022-11-03 03:31:15,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:15,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:31:15,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:31:15,312 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:31:15,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 03:31:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:16,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 3876 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 03:31:16,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:31:16,578 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-03 03:31:16,578 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:31:16,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815336497] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:16,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:31:16,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2022-11-03 03:31:16,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789653543] [2022-11-03 03:31:16,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:16,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:31:16,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:16,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:31:16,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:31:16,581 INFO L87 Difference]: Start difference. First operand 1465 states and 2061 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 03:31:22,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:31:22,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:22,402 INFO L93 Difference]: Finished difference Result 2897 states and 4098 transitions. [2022-11-03 03:31:22,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:31:22,403 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 139 [2022-11-03 03:31:22,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:22,409 INFO L225 Difference]: With dead ends: 2897 [2022-11-03 03:31:22,409 INFO L226 Difference]: Without dead ends: 1473 [2022-11-03 03:31:22,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:31:22,416 INFO L413 NwaCegarLoop]: 1517 mSDtfsCounter, 2 mSDsluCounter, 5206 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6057 SdHoareTripleChecker+Invalid, 907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:22,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6057 Invalid, 907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 906 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-11-03 03:31:22,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2022-11-03 03:31:22,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 1469. [2022-11-03 03:31:22,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1469 states, 821 states have (on average 1.2521315468940317) internal successors, (1028), 873 states have internal predecessors, (1028), 519 states have call successors, (519), 123 states have call predecessors, (519), 123 states have return successors, (523), 506 states have call predecessors, (523), 517 states have call successors, (523) [2022-11-03 03:31:22,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 2070 transitions. [2022-11-03 03:31:22,586 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 2070 transitions. Word has length 139 [2022-11-03 03:31:22,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:22,586 INFO L495 AbstractCegarLoop]: Abstraction has 1469 states and 2070 transitions. [2022-11-03 03:31:22,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 03:31:22,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 2070 transitions. [2022-11-03 03:31:22,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-03 03:31:22,588 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:22,589 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:31:22,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 03:31:22,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-11-03 03:31:22,804 INFO L420 AbstractCegarLoop]: === Iteration 23 === 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 25 more)] === [2022-11-03 03:31:22,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:22,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1602263416, now seen corresponding path program 1 times [2022-11-03 03:31:22,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:22,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898184878] [2022-11-03 03:31:22,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:22,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:23,278 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 03:31:23,278 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:23,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898184878] [2022-11-03 03:31:23,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898184878] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:23,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:31:23,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:31:23,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476363612] [2022-11-03 03:31:23,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:23,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:31:23,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:23,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:31:23,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:31:23,281 INFO L87 Difference]: Start difference. First operand 1469 states and 2070 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-03 03:31:24,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:31:27,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:31:27,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:27,782 INFO L93 Difference]: Finished difference Result 1478 states and 2081 transitions. [2022-11-03 03:31:27,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:31:27,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 128 [2022-11-03 03:31:27,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:27,797 INFO L225 Difference]: With dead ends: 1478 [2022-11-03 03:31:27,798 INFO L226 Difference]: Without dead ends: 1476 [2022-11-03 03:31:27,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:31:27,800 INFO L413 NwaCegarLoop]: 1579 mSDtfsCounter, 1442 mSDsluCounter, 2390 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1449 SdHoareTripleChecker+Valid, 3672 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:27,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1449 Valid, 3672 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 522 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-11-03 03:31:27,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1476 states. [2022-11-03 03:31:28,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1476 to 1467. [2022-11-03 03:31:28,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1467 states, 820 states have (on average 1.251219512195122) internal successors, (1026), 871 states have internal predecessors, (1026), 519 states have call successors, (519), 123 states have call predecessors, (519), 123 states have return successors, (523), 506 states have call predecessors, (523), 517 states have call successors, (523) [2022-11-03 03:31:28,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 2068 transitions. [2022-11-03 03:31:28,009 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 2068 transitions. Word has length 128 [2022-11-03 03:31:28,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:28,009 INFO L495 AbstractCegarLoop]: Abstraction has 1467 states and 2068 transitions. [2022-11-03 03:31:28,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-03 03:31:28,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 2068 transitions. [2022-11-03 03:31:28,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-03 03:31:28,012 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:28,012 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:31:28,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-03 03:31:28,012 INFO L420 AbstractCegarLoop]: === Iteration 24 === 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 25 more)] === [2022-11-03 03:31:28,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:28,013 INFO L85 PathProgramCache]: Analyzing trace with hash -104496759, now seen corresponding path program 1 times [2022-11-03 03:31:28,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:28,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734848775] [2022-11-03 03:31:28,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:28,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:28,517 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 03:31:28,517 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:28,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734848775] [2022-11-03 03:31:28,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734848775] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:28,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:31:28,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:31:28,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375370697] [2022-11-03 03:31:28,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:28,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:31:28,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:28,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:31:28,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:31:28,519 INFO L87 Difference]: Start difference. First operand 1467 states and 2068 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-03 03:31:32,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:31:32,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:32,419 INFO L93 Difference]: Finished difference Result 1476 states and 2079 transitions. [2022-11-03 03:31:32,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:31:32,419 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 133 [2022-11-03 03:31:32,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:32,425 INFO L225 Difference]: With dead ends: 1476 [2022-11-03 03:31:32,425 INFO L226 Difference]: Without dead ends: 1349 [2022-11-03 03:31:32,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:31:32,428 INFO L413 NwaCegarLoop]: 1578 mSDtfsCounter, 1439 mSDsluCounter, 2390 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1444 SdHoareTripleChecker+Valid, 3670 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:32,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1444 Valid, 3670 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 522 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-11-03 03:31:32,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2022-11-03 03:31:32,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 1340. [2022-11-03 03:31:32,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1340 states, 755 states have (on average 1.2688741721854304) internal successors, (958), 804 states have internal predecessors, (958), 477 states have call successors, (477), 103 states have call predecessors, (477), 104 states have return successors, (483), 466 states have call predecessors, (483), 477 states have call successors, (483) [2022-11-03 03:31:32,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 1918 transitions. [2022-11-03 03:31:32,580 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 1918 transitions. Word has length 133 [2022-11-03 03:31:32,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:32,581 INFO L495 AbstractCegarLoop]: Abstraction has 1340 states and 1918 transitions. [2022-11-03 03:31:32,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-03 03:31:32,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1918 transitions. [2022-11-03 03:31:32,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-11-03 03:31:32,583 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:32,583 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 8, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:31:32,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-03 03:31:32,584 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-03 03:31:32,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:32,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1428929100, now seen corresponding path program 1 times [2022-11-03 03:31:32,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:32,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738437020] [2022-11-03 03:31:32,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:32,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:33,834 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2022-11-03 03:31:33,835 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:33,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738437020] [2022-11-03 03:31:33,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738437020] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:31:33,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29579757] [2022-11-03 03:31:33,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:33,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:31:33,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:31:33,837 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:31:33,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 03:31:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:35,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 4130 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-03 03:31:35,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:31:35,280 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2022-11-03 03:31:35,281 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:31:35,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29579757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:35,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:31:35,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2022-11-03 03:31:35,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113782930] [2022-11-03 03:31:35,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:35,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:31:35,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:35,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:31:35,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:31:35,283 INFO L87 Difference]: Start difference. First operand 1340 states and 1918 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-03 03:31:40,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:31:40,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:40,901 INFO L93 Difference]: Finished difference Result 2667 states and 3849 transitions. [2022-11-03 03:31:40,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:31:40,901 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 196 [2022-11-03 03:31:40,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:40,908 INFO L225 Difference]: With dead ends: 2667 [2022-11-03 03:31:40,908 INFO L226 Difference]: Without dead ends: 1346 [2022-11-03 03:31:40,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:31:40,916 INFO L413 NwaCegarLoop]: 1391 mSDtfsCounter, 2 mSDsluCounter, 4753 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 5551 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:40,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 5551 Invalid, 820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 819 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-11-03 03:31:40,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2022-11-03 03:31:41,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1342. [2022-11-03 03:31:41,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1342 states, 757 states have (on average 1.2681638044914134) internal successors, (960), 805 states have internal predecessors, (960), 477 states have call successors, (477), 103 states have call predecessors, (477), 104 states have return successors, (483), 467 states have call predecessors, (483), 477 states have call successors, (483) [2022-11-03 03:31:41,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1920 transitions. [2022-11-03 03:31:41,078 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1920 transitions. Word has length 196 [2022-11-03 03:31:41,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:41,079 INFO L495 AbstractCegarLoop]: Abstraction has 1342 states and 1920 transitions. [2022-11-03 03:31:41,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-03 03:31:41,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1920 transitions. [2022-11-03 03:31:41,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-11-03 03:31:41,082 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:41,082 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 8, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-03 03:31:41,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 03:31:41,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-11-03 03:31:41,295 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-03 03:31:41,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:41,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1583922050, now seen corresponding path program 2 times [2022-11-03 03:31:41,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:41,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53726938] [2022-11-03 03:31:41,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:41,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:43,082 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2022-11-03 03:31:43,082 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:43,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53726938] [2022-11-03 03:31:43,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53726938] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:43,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:31:43,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:31:43,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937383722] [2022-11-03 03:31:43,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:43,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:31:43,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:43,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:31:43,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:31:43,086 INFO L87 Difference]: Start difference. First operand 1342 states and 1920 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 03:31:47,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:31:47,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:47,793 INFO L93 Difference]: Finished difference Result 2669 states and 3847 transitions. [2022-11-03 03:31:47,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:31:47,794 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) Word has length 209 [2022-11-03 03:31:47,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:47,799 INFO L225 Difference]: With dead ends: 2669 [2022-11-03 03:31:47,799 INFO L226 Difference]: Without dead ends: 1346 [2022-11-03 03:31:47,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:31:47,804 INFO L413 NwaCegarLoop]: 1385 mSDtfsCounter, 0 mSDsluCounter, 4745 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5531 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:47,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5531 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 816 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-11-03 03:31:47,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2022-11-03 03:31:48,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1344. [2022-11-03 03:31:48,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1344 states, 759 states have (on average 1.2674571805006587) internal successors, (962), 806 states have internal predecessors, (962), 477 states have call successors, (477), 103 states have call predecessors, (477), 104 states have return successors, (483), 468 states have call predecessors, (483), 477 states have call successors, (483) [2022-11-03 03:31:48,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 1922 transitions. [2022-11-03 03:31:48,067 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 1922 transitions. Word has length 209 [2022-11-03 03:31:48,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:48,067 INFO L495 AbstractCegarLoop]: Abstraction has 1344 states and 1922 transitions. [2022-11-03 03:31:48,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 03:31:48,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1922 transitions. [2022-11-03 03:31:48,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-11-03 03:31:48,070 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:48,070 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 7, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-03 03:31:48,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-03 03:31:48,071 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-03 03:31:48,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:48,071 INFO L85 PathProgramCache]: Analyzing trace with hash -156069971, now seen corresponding path program 1 times [2022-11-03 03:31:48,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:48,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190051336] [2022-11-03 03:31:48,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:48,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:49,272 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2022-11-03 03:31:49,273 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:49,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190051336] [2022-11-03 03:31:49,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190051336] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:49,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:31:49,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:31:49,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850461953] [2022-11-03 03:31:49,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:49,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:31:49,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:49,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:31:49,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:31:49,275 INFO L87 Difference]: Start difference. First operand 1344 states and 1922 transitions. Second operand has 6 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-03 03:31:54,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:31:55,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:55,367 INFO L93 Difference]: Finished difference Result 1353 states and 1933 transitions. [2022-11-03 03:31:55,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:31:55,368 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) Word has length 178 [2022-11-03 03:31:55,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:55,373 INFO L225 Difference]: With dead ends: 1353 [2022-11-03 03:31:55,373 INFO L226 Difference]: Without dead ends: 1351 [2022-11-03 03:31:55,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:31:55,375 INFO L413 NwaCegarLoop]: 1451 mSDtfsCounter, 1293 mSDsluCounter, 4866 mSDsCounter, 0 mSdLazyCounter, 1541 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1303 SdHoareTripleChecker+Valid, 5650 SdHoareTripleChecker+Invalid, 1546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1541 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:55,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1303 Valid, 5650 Invalid, 1546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1541 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2022-11-03 03:31:55,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1351 states. [2022-11-03 03:31:55,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1351 to 1344. [2022-11-03 03:31:55,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1344 states, 759 states have (on average 1.2661396574440054) internal successors, (961), 806 states have internal predecessors, (961), 477 states have call successors, (477), 103 states have call predecessors, (477), 104 states have return successors, (483), 468 states have call predecessors, (483), 477 states have call successors, (483) [2022-11-03 03:31:55,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 1921 transitions. [2022-11-03 03:31:55,547 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 1921 transitions. Word has length 178 [2022-11-03 03:31:55,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:55,548 INFO L495 AbstractCegarLoop]: Abstraction has 1344 states and 1921 transitions. [2022-11-03 03:31:55,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-03 03:31:55,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1921 transitions. [2022-11-03 03:31:55,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-03 03:31:55,550 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:55,550 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 7, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-03 03:31:55,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-03 03:31:55,551 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting kzallocErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-03 03:31:55,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:55,551 INFO L85 PathProgramCache]: Analyzing trace with hash 2044736738, now seen corresponding path program 1 times [2022-11-03 03:31:55,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:55,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568586706] [2022-11-03 03:31:55,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:55,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:55,899 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2022-11-03 03:31:55,899 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:55,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568586706] [2022-11-03 03:31:55,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568586706] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:55,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:31:55,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:31:55,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98667635] [2022-11-03 03:31:55,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:55,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:31:55,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:55,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:31:55,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:31:55,901 INFO L87 Difference]: Start difference. First operand 1344 states and 1921 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-03 03:31:58,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:31:59,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:59,245 INFO L93 Difference]: Finished difference Result 2672 states and 3852 transitions. [2022-11-03 03:31:59,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:31:59,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 181 [2022-11-03 03:31:59,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:59,253 INFO L225 Difference]: With dead ends: 2672 [2022-11-03 03:31:59,253 INFO L226 Difference]: Without dead ends: 1347 [2022-11-03 03:31:59,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:31:59,261 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 1271 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1276 SdHoareTripleChecker+Valid, 1964 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:59,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1276 Valid, 1964 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 279 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2022-11-03 03:31:59,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2022-11-03 03:31:59,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1342. [2022-11-03 03:31:59,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1342 states, 757 states have (on average 1.2642007926023777) internal successors, (957), 804 states have internal predecessors, (957), 477 states have call successors, (477), 103 states have call predecessors, (477), 104 states have return successors, (483), 468 states have call predecessors, (483), 477 states have call successors, (483) [2022-11-03 03:31:59,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1917 transitions. [2022-11-03 03:31:59,473 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1917 transitions. Word has length 181 [2022-11-03 03:31:59,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:59,474 INFO L495 AbstractCegarLoop]: Abstraction has 1342 states and 1917 transitions. [2022-11-03 03:31:59,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-03 03:31:59,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1917 transitions. [2022-11-03 03:31:59,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2022-11-03 03:31:59,484 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:59,485 INFO L195 NwaCegarLoop]: trace histogram [41, 41, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 15, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:31:59,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-03 03:31:59,485 INFO L420 AbstractCegarLoop]: === Iteration 29 === 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 25 more)] === [2022-11-03 03:31:59,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:59,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1601548711, now seen corresponding path program 1 times [2022-11-03 03:31:59,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:59,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629071974] [2022-11-03 03:31:59,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:59,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:32:01,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4299 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4299 trivial. 0 not checked. [2022-11-03 03:32:01,024 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:32:01,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629071974] [2022-11-03 03:32:01,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629071974] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:32:01,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:32:01,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:32:01,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808909643] [2022-11-03 03:32:01,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:32:01,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:32:01,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:32:01,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:32:01,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:32:01,028 INFO L87 Difference]: Start difference. First operand 1342 states and 1917 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (57), 3 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-11-03 03:32:05,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:32:05,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:32:05,592 INFO L93 Difference]: Finished difference Result 1424 states and 2024 transitions. [2022-11-03 03:32:05,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:32:05,592 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (57), 3 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 477 [2022-11-03 03:32:05,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:32:05,599 INFO L225 Difference]: With dead ends: 1424 [2022-11-03 03:32:05,599 INFO L226 Difference]: Without dead ends: 1422 [2022-11-03 03:32:05,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:32:05,601 INFO L413 NwaCegarLoop]: 1448 mSDtfsCounter, 1142 mSDsluCounter, 3944 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1148 SdHoareTripleChecker+Valid, 4913 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:32:05,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1148 Valid, 4913 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 686 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-11-03 03:32:05,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1422 states. [2022-11-03 03:32:05,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1422 to 1417. [2022-11-03 03:32:05,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1417 states, 800 states have (on average 1.26375) internal successors, (1011), 849 states have internal predecessors, (1011), 498 states have call successors, (498), 115 states have call predecessors, (498), 116 states have return successors, (504), 489 states have call predecessors, (504), 498 states have call successors, (504) [2022-11-03 03:32:05,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 2013 transitions. [2022-11-03 03:32:05,863 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 2013 transitions. Word has length 477 [2022-11-03 03:32:05,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:32:05,864 INFO L495 AbstractCegarLoop]: Abstraction has 1417 states and 2013 transitions. [2022-11-03 03:32:05,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (57), 3 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-11-03 03:32:05,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 2013 transitions. [2022-11-03 03:32:05,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2022-11-03 03:32:05,877 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:32:05,877 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 13, 13, 10, 8, 8, 8, 8, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:32:05,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-03 03:32:05,878 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-03 03:32:05,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:32:05,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1988687611, now seen corresponding path program 1 times [2022-11-03 03:32:05,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:32:05,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586670410] [2022-11-03 03:32:05,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:32:05,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:32:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:32:07,075 INFO L134 CoverageAnalysis]: Checked inductivity of 3779 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3765 trivial. 0 not checked. [2022-11-03 03:32:07,075 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:32:07,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586670410] [2022-11-03 03:32:07,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586670410] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:32:07,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:32:07,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:32:07,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704095913] [2022-11-03 03:32:07,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:32:07,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:32:07,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:32:07,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:32:07,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:32:07,078 INFO L87 Difference]: Start difference. First operand 1417 states and 2013 transitions. Second operand has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 3 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-03 03:32:11,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:32:11,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:32:11,760 INFO L93 Difference]: Finished difference Result 3002 states and 4332 transitions. [2022-11-03 03:32:11,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:32:11,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 3 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 755 [2022-11-03 03:32:11,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:32:11,765 INFO L225 Difference]: With dead ends: 3002 [2022-11-03 03:32:11,765 INFO L226 Difference]: Without dead ends: 1604 [2022-11-03 03:32:11,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:32:11,770 INFO L413 NwaCegarLoop]: 1420 mSDtfsCounter, 129 mSDsluCounter, 3198 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 35 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 4216 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:32:11,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 4216 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 628 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-11-03 03:32:11,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2022-11-03 03:32:12,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1449. [2022-11-03 03:32:12,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1449 states, 821 states have (on average 1.2655298416565164) internal successors, (1039), 872 states have internal predecessors, (1039), 509 states have call successors, (509), 115 states have call predecessors, (509), 116 states have return successors, (515), 500 states have call predecessors, (515), 509 states have call successors, (515) [2022-11-03 03:32:12,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1449 states and 2063 transitions. [2022-11-03 03:32:12,084 INFO L78 Accepts]: Start accepts. Automaton has 1449 states and 2063 transitions. Word has length 755 [2022-11-03 03:32:12,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:32:12,084 INFO L495 AbstractCegarLoop]: Abstraction has 1449 states and 2063 transitions. [2022-11-03 03:32:12,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 3 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-11-03 03:32:12,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 2063 transitions. [2022-11-03 03:32:12,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2022-11-03 03:32:12,098 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:32:12,099 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 13, 13, 10, 10, 10, 10, 10, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-03 03:32:12,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-03 03:32:12,099 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-03 03:32:12,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:32:12,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1894404527, now seen corresponding path program 1 times [2022-11-03 03:32:12,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:32:12,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296327979] [2022-11-03 03:32:12,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:32:12,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:32:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:32:12,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4526 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 4504 trivial. 0 not checked. [2022-11-03 03:32:12,945 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:32:12,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296327979] [2022-11-03 03:32:12,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296327979] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:32:12,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021511430] [2022-11-03 03:32:12,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:32:12,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:32:12,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:32:12,948 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:32:12,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 03:32:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:32:14,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 8339 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 03:32:14,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:32:15,016 INFO L134 CoverageAnalysis]: Checked inductivity of 4526 backedges. 1302 proven. 0 refuted. 0 times theorem prover too weak. 3224 trivial. 0 not checked. [2022-11-03 03:32:15,016 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:32:15,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021511430] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:32:15,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:32:15,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-11-03 03:32:15,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407880560] [2022-11-03 03:32:15,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:32:15,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:32:15,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:32:15,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:32:15,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:32:15,019 INFO L87 Difference]: Start difference. First operand 1449 states and 2063 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2022-11-03 03:32:18,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:32:18,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:32:18,982 INFO L93 Difference]: Finished difference Result 2885 states and 4146 transitions. [2022-11-03 03:32:18,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:32:18,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) Word has length 810 [2022-11-03 03:32:18,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:32:18,988 INFO L225 Difference]: With dead ends: 2885 [2022-11-03 03:32:18,988 INFO L226 Difference]: Without dead ends: 1455 [2022-11-03 03:32:18,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 812 GetRequests, 810 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:32:18,996 INFO L413 NwaCegarLoop]: 1383 mSDtfsCounter, 1 mSDsluCounter, 1581 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2763 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:32:18,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2763 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 407 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-11-03 03:32:18,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1455 states. [2022-11-03 03:32:19,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1455 to 1451. [2022-11-03 03:32:19,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1451 states, 823 states have (on average 1.2648845686512757) internal successors, (1041), 874 states have internal predecessors, (1041), 509 states have call successors, (509), 115 states have call predecessors, (509), 116 states have return successors, (515), 500 states have call predecessors, (515), 509 states have call successors, (515) [2022-11-03 03:32:19,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 2065 transitions. [2022-11-03 03:32:19,238 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 2065 transitions. Word has length 810 [2022-11-03 03:32:19,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:32:19,239 INFO L495 AbstractCegarLoop]: Abstraction has 1451 states and 2065 transitions. [2022-11-03 03:32:19,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2022-11-03 03:32:19,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2065 transitions. [2022-11-03 03:32:19,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 813 [2022-11-03 03:32:19,251 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:32:19,252 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 13, 13, 11, 8, 8, 8, 8, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:32:19,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 03:32:19,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:32:19,472 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-11-03 03:32:19,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:32:19,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1948927974, now seen corresponding path program 1 times [2022-11-03 03:32:19,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:32:19,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414656581] [2022-11-03 03:32:19,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:32:19,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:32:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:32:20,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4217 backedges. 27 proven. 1 refuted. 0 times theorem prover too weak. 4189 trivial. 0 not checked. [2022-11-03 03:32:20,541 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:32:20,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414656581] [2022-11-03 03:32:20,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414656581] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:32:20,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618201428] [2022-11-03 03:32:20,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:32:20,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:32:20,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:32:20,543 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:32:20,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cc9bd4-9bca-4b38-8c8e-5ef018b650cc/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 03:32:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:32:22,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 8371 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 03:32:22,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:32:22,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4217 backedges. 1443 proven. 1 refuted. 0 times theorem prover too weak. 2773 trivial. 0 not checked. [2022-11-03 03:32:22,809 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:32:24,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4217 backedges. 27 proven. 1 refuted. 0 times theorem prover too weak. 4189 trivial. 0 not checked. [2022-11-03 03:32:24,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618201428] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:32:24,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2068708076] [2022-11-03 03:32:24,318 INFO L159 IcfgInterpreter]: Started Sifa with 208 locations of interest [2022-11-03 03:32:24,318 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:32:24,322 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:32:24,328 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:32:24,328 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:32:37,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:37,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:37,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:37,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:37,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:37,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:38,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:38,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:38,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:38,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:38,064 INFO L244 Elim1Store]: Index analysis took 178 ms [2022-11-03 03:32:38,365 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 31 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 114 [2022-11-03 03:32:39,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:39,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:39,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:39,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:39,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:39,179 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 37 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 125 [2022-11-03 03:32:39,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:39,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:39,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:39,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:39,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:39,389 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 71 [2022-11-03 03:32:41,569 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 58 select indices, 58 select index equivalence classes, 1711 disjoint index pairs (out of 1653 index pairs), introduced 58 new quantified variables, introduced 0 case distinctions, treesize of input 2208 treesize of output 1893 [2022-11-03 03:32:45,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:45,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:45,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:45,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:45,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:45,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:45,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:45,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:45,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:45,467 INFO L244 Elim1Store]: Index analysis took 232 ms [2022-11-03 03:32:46,016 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 26 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 105 [2022-11-03 03:32:46,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:46,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:46,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:46,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:46,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:46,562 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 71 [2022-11-03 03:32:46,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:46,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:46,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:46,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:46,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,088 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 80 [2022-11-03 03:32:47,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:47,745 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 98 [2022-11-03 03:32:48,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,172 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 71 [2022-11-03 03:32:48,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:48,451 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 16 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 71 [2022-11-03 03:39:18,477 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 03:39:18,483 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 03:40:04,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:04,070 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-03 03:40:04,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:04,903 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-03 03:40:18,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:18,569 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 03:40:19,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:19,050 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 03:40:31,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:31,592 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 03:40:33,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:40:33,346 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7