./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--memstick--core--ms_block.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/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_16029689-a96b-4def-aebd-5afd45b4d1f4/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/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_16029689-a96b-4def-aebd-5afd45b4d1f4/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 66bac413628aea28df41e5815c9797e59bd0b92879c97b090502234c31960876 --- 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 01:39:08,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:39:08,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:39:08,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:39:08,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:39:08,467 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:39:08,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:39:08,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:39:08,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:39:08,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:39:08,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:39:08,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:39:08,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:39:08,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:39:08,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:39:08,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:39:08,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:39:08,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:39:08,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:39:08,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:39:08,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:39:08,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:39:08,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:39:08,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:39:08,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:39:08,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:39:08,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:39:08,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:39:08,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:39:08,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:39:08,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:39:08,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:39:08,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:39:08,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:39:08,502 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:39:08,503 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:39:08,504 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:39:08,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:39:08,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:39:08,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:39:08,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:39:08,520 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:39:08,564 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:39:08,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:39:08,564 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:39:08,565 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:39:08,565 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:39:08,565 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:39:08,566 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:39:08,566 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:39:08,566 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:39:08,566 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:39:08,566 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:39:08,567 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:39:08,567 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:39:08,567 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:39:08,567 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:39:08,567 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:39:08,567 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:39:08,568 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:39:08,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:39:08,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:39:08,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:39:08,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:39:08,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:39:08,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:39:08,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:39:08,575 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:39:08,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:39:08,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:39:08,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:39:08,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:39:08,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:39:08,577 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:39:08,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:39:08,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:39:08,578 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:39:08,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:39:08,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:39:08,579 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:39:08,579 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_16029689-a96b-4def-aebd-5afd45b4d1f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66bac413628aea28df41e5815c9797e59bd0b92879c97b090502234c31960876 [2022-11-03 01:39:08,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:39:08,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:39:08,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:39:08,941 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:39:08,942 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:39:08,944 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i [2022-11-03 01:39:09,023 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/bin/utaipan-7li7fVZpFI/data/c369ebdc5/1f9daaa38a6341248fef63fb2da54676/FLAGfbfc3f1a1 [2022-11-03 01:39:09,919 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:39:09,920 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i [2022-11-03 01:39:09,983 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/bin/utaipan-7li7fVZpFI/data/c369ebdc5/1f9daaa38a6341248fef63fb2da54676/FLAGfbfc3f1a1 [2022-11-03 01:39:10,378 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/bin/utaipan-7li7fVZpFI/data/c369ebdc5/1f9daaa38a6341248fef63fb2da54676 [2022-11-03 01:39:10,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:39:10,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:39:10,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:39:10,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:39:10,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:39:10,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:39:10" (1/1) ... [2022-11-03 01:39:10,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@700c17be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:39:10, skipping insertion in model container [2022-11-03 01:39:10,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:39:10" (1/1) ... [2022-11-03 01:39:10,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:39:10,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:39:14,244 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345749,345762] [2022-11-03 01:39:14,247 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345894,345907] [2022-11-03 01:39:14,248 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346040,346053] [2022-11-03 01:39:14,249 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346205,346218] [2022-11-03 01:39:14,252 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346363,346376] [2022-11-03 01:39:14,252 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346521,346534] [2022-11-03 01:39:14,253 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346679,346692] [2022-11-03 01:39:14,253 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346839,346852] [2022-11-03 01:39:14,254 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346998,347011] [2022-11-03 01:39:14,254 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347137,347150] [2022-11-03 01:39:14,255 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347279,347292] [2022-11-03 01:39:14,256 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347428,347441] [2022-11-03 01:39:14,256 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347567,347580] [2022-11-03 01:39:14,257 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347722,347735] [2022-11-03 01:39:14,262 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347882,347895] [2022-11-03 01:39:14,263 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348033,348046] [2022-11-03 01:39:14,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348184,348197] [2022-11-03 01:39:14,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348336,348349] [2022-11-03 01:39:14,266 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348485,348498] [2022-11-03 01:39:14,266 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348633,348646] [2022-11-03 01:39:14,267 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348790,348803] [2022-11-03 01:39:14,268 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348939,348952] [2022-11-03 01:39:14,268 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349095,349108] [2022-11-03 01:39:14,270 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349248,349261] [2022-11-03 01:39:14,270 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349394,349407] [2022-11-03 01:39:14,271 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349537,349550] [2022-11-03 01:39:14,271 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349689,349702] [2022-11-03 01:39:14,273 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349835,349848] [2022-11-03 01:39:14,273 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349980,349993] [2022-11-03 01:39:14,275 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350134,350147] [2022-11-03 01:39:14,275 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350285,350298] [2022-11-03 01:39:14,276 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350440,350453] [2022-11-03 01:39:14,276 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350592,350605] [2022-11-03 01:39:14,277 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350747,350760] [2022-11-03 01:39:14,277 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350911,350924] [2022-11-03 01:39:14,278 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351067,351080] [2022-11-03 01:39:14,278 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351231,351244] [2022-11-03 01:39:14,279 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351373,351386] [2022-11-03 01:39:14,279 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351531,351544] [2022-11-03 01:39:14,279 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351698,351711] [2022-11-03 01:39:14,280 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351857,351870] [2022-11-03 01:39:14,280 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352016,352029] [2022-11-03 01:39:14,281 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352165,352178] [2022-11-03 01:39:14,281 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352312,352325] [2022-11-03 01:39:14,282 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352451,352464] [2022-11-03 01:39:14,282 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352614,352627] [2022-11-03 01:39:14,282 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352780,352793] [2022-11-03 01:39:14,283 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352944,352957] [2022-11-03 01:39:14,283 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353109,353122] [2022-11-03 01:39:14,284 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353274,353287] [2022-11-03 01:39:14,284 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353440,353453] [2022-11-03 01:39:14,284 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353605,353618] [2022-11-03 01:39:14,285 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353772,353785] [2022-11-03 01:39:14,285 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353932,353945] [2022-11-03 01:39:14,286 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354094,354107] [2022-11-03 01:39:14,286 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354253,354266] [2022-11-03 01:39:14,287 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354399,354412] [2022-11-03 01:39:14,287 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354542,354555] [2022-11-03 01:39:14,287 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354686,354699] [2022-11-03 01:39:14,288 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354829,354842] [2022-11-03 01:39:14,288 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354973,354986] [2022-11-03 01:39:14,289 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355114,355127] [2022-11-03 01:39:14,289 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355252,355265] [2022-11-03 01:39:14,289 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355410,355423] [2022-11-03 01:39:14,290 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355569,355582] [2022-11-03 01:39:14,290 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355725,355738] [2022-11-03 01:39:14,291 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355874,355887] [2022-11-03 01:39:14,291 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356026,356039] [2022-11-03 01:39:14,291 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356177,356190] [2022-11-03 01:39:14,292 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356326,356339] [2022-11-03 01:39:14,292 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356478,356491] [2022-11-03 01:39:14,293 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356626,356639] [2022-11-03 01:39:14,293 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356779,356792] [2022-11-03 01:39:14,294 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356930,356943] [2022-11-03 01:39:14,294 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357080,357093] [2022-11-03 01:39:14,294 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357227,357240] [2022-11-03 01:39:14,295 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357378,357391] [2022-11-03 01:39:14,295 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357529,357542] [2022-11-03 01:39:14,296 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357677,357690] [2022-11-03 01:39:14,296 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357843,357856] [2022-11-03 01:39:14,296 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358012,358025] [2022-11-03 01:39:14,297 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358179,358192] [2022-11-03 01:39:14,297 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358347,358360] [2022-11-03 01:39:14,298 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358497,358510] [2022-11-03 01:39:14,298 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358644,358657] [2022-11-03 01:39:14,298 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358805,358818] [2022-11-03 01:39:14,299 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358975,358988] [2022-11-03 01:39:14,299 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_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[359137,359150] [2022-11-03 01:39:14,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:39:14,326 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:39:14,697 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345749,345762] [2022-11-03 01:39:14,698 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[345894,345907] [2022-11-03 01:39:14,699 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346040,346053] [2022-11-03 01:39:14,699 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346205,346218] [2022-11-03 01:39:14,700 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346363,346376] [2022-11-03 01:39:14,700 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346521,346534] [2022-11-03 01:39:14,700 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346679,346692] [2022-11-03 01:39:14,701 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346839,346852] [2022-11-03 01:39:14,701 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[346998,347011] [2022-11-03 01:39:14,701 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347137,347150] [2022-11-03 01:39:14,702 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347279,347292] [2022-11-03 01:39:14,702 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347428,347441] [2022-11-03 01:39:14,703 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347567,347580] [2022-11-03 01:39:14,704 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347722,347735] [2022-11-03 01:39:14,704 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[347882,347895] [2022-11-03 01:39:14,704 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348033,348046] [2022-11-03 01:39:14,705 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348184,348197] [2022-11-03 01:39:14,705 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348336,348349] [2022-11-03 01:39:14,706 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348485,348498] [2022-11-03 01:39:14,706 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348633,348646] [2022-11-03 01:39:14,706 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348790,348803] [2022-11-03 01:39:14,707 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[348939,348952] [2022-11-03 01:39:14,708 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349095,349108] [2022-11-03 01:39:14,708 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349248,349261] [2022-11-03 01:39:14,709 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349394,349407] [2022-11-03 01:39:14,710 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349537,349550] [2022-11-03 01:39:14,710 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349689,349702] [2022-11-03 01:39:14,711 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349835,349848] [2022-11-03 01:39:14,712 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[349980,349993] [2022-11-03 01:39:14,712 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350134,350147] [2022-11-03 01:39:14,712 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350285,350298] [2022-11-03 01:39:14,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350440,350453] [2022-11-03 01:39:14,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350592,350605] [2022-11-03 01:39:14,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350747,350760] [2022-11-03 01:39:14,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[350911,350924] [2022-11-03 01:39:14,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351067,351080] [2022-11-03 01:39:14,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351231,351244] [2022-11-03 01:39:14,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351373,351386] [2022-11-03 01:39:14,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351531,351544] [2022-11-03 01:39:14,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351698,351711] [2022-11-03 01:39:14,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[351857,351870] [2022-11-03 01:39:14,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352016,352029] [2022-11-03 01:39:14,721 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352165,352178] [2022-11-03 01:39:14,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352312,352325] [2022-11-03 01:39:14,723 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352451,352464] [2022-11-03 01:39:14,723 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352614,352627] [2022-11-03 01:39:14,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352780,352793] [2022-11-03 01:39:14,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[352944,352957] [2022-11-03 01:39:14,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353109,353122] [2022-11-03 01:39:14,725 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353274,353287] [2022-11-03 01:39:14,726 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353440,353453] [2022-11-03 01:39:14,726 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353605,353618] [2022-11-03 01:39:14,726 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353772,353785] [2022-11-03 01:39:14,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[353932,353945] [2022-11-03 01:39:14,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354094,354107] [2022-11-03 01:39:14,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354253,354266] [2022-11-03 01:39:14,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354399,354412] [2022-11-03 01:39:14,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354542,354555] [2022-11-03 01:39:14,733 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354686,354699] [2022-11-03 01:39:14,733 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354829,354842] [2022-11-03 01:39:14,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[354973,354986] [2022-11-03 01:39:14,736 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355114,355127] [2022-11-03 01:39:14,737 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355252,355265] [2022-11-03 01:39:14,740 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355410,355423] [2022-11-03 01:39:14,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355569,355582] [2022-11-03 01:39:14,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355725,355738] [2022-11-03 01:39:14,749 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[355874,355887] [2022-11-03 01:39:14,749 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356026,356039] [2022-11-03 01:39:14,750 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356177,356190] [2022-11-03 01:39:14,750 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356326,356339] [2022-11-03 01:39:14,750 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356478,356491] [2022-11-03 01:39:14,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356626,356639] [2022-11-03 01:39:14,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356779,356792] [2022-11-03 01:39:14,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[356930,356943] [2022-11-03 01:39:14,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357080,357093] [2022-11-03 01:39:14,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357227,357240] [2022-11-03 01:39:14,754 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357378,357391] [2022-11-03 01:39:14,754 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357529,357542] [2022-11-03 01:39:14,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357677,357690] [2022-11-03 01:39:14,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[357843,357856] [2022-11-03 01:39:14,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358012,358025] [2022-11-03 01:39:14,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358179,358192] [2022-11-03 01:39:14,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358347,358360] [2022-11-03 01:39:14,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358497,358510] [2022-11-03 01:39:14,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358644,358657] [2022-11-03 01:39:14,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358805,358818] [2022-11-03 01:39:14,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[358975,358988] [2022-11-03 01:39:14,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i[359137,359150] [2022-11-03 01:39:14,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:39:14,993 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:39:14,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:39:14 WrapperNode [2022-11-03 01:39:14,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:39:14,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:39:14,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:39:14,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:39:15,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:39:14" (1/1) ... [2022-11-03 01:39:15,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:39:14" (1/1) ... [2022-11-03 01:39:15,277 INFO L138 Inliner]: procedures = 602, calls = 2168, calls flagged for inlining = 265, calls inlined = 157, statements flattened = 3109 [2022-11-03 01:39:15,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:39:15,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:39:15,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:39:15,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:39:15,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:39:14" (1/1) ... [2022-11-03 01:39:15,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:39:14" (1/1) ... [2022-11-03 01:39:15,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:39:14" (1/1) ... [2022-11-03 01:39:15,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:39:14" (1/1) ... [2022-11-03 01:39:15,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:39:14" (1/1) ... [2022-11-03 01:39:15,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:39:14" (1/1) ... [2022-11-03 01:39:15,470 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:39:14" (1/1) ... [2022-11-03 01:39:15,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:39:14" (1/1) ... [2022-11-03 01:39:15,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:39:15,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:39:15,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:39:15,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:39:15,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:39:14" (1/1) ... [2022-11-03 01:39:15,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:39:15,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:39:15,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:39:15,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:39:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 01:39:15,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 01:39:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 01:39:15,599 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 01:39:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure msb_stop [2022-11-03 01:39:15,600 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_stop [2022-11-03 01:39:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_pba [2022-11-03 01:39:15,600 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_pba [2022-11-03 01:39:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_msb_disk_lock [2022-11-03 01:39:15,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_msb_disk_lock [2022-11-03 01:39:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-03 01:39:15,601 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-03 01:39:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 01:39:15,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 01:39:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 01:39:15,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 01:39:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 01:39:15,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 01:39:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-03 01:39:15,602 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-03 01:39:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-03 01:39:15,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-03 01:39:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 01:39:15,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 01:39:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_remove_msb_disk_idr [2022-11-03 01:39:15,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_remove_msb_disk_idr [2022-11-03 01:39:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 01:39:15,603 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 01:39:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-03 01:39:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 01:39:15,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 01:39:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 01:39:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 01:39:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-03 01:39:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-03 01:39:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2022-11-03 01:39:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2022-11-03 01:39:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:39:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_get_drvdata [2022-11-03 01:39:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_get_drvdata [2022-11-03 01:39:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-03 01:39:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-03 01:39:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure msb_data_clear [2022-11-03 01:39:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_data_clear [2022-11-03 01:39:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 01:39:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 01:39:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_bad_block_table [2022-11-03 01:39:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_bad_block_table [2022-11-03 01:39:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-03 01:39:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-03 01:39:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 01:39:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 01:39:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-03 01:39:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-03 01:39:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 01:39:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 01:39:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 01:39:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 01:39:15,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:39:15,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 01:39:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 01:39:15,608 INFO L130 BoogieDeclarations]: Found specification of procedure msb_get_zone_from_lba [2022-11-03 01:39:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_get_zone_from_lba [2022-11-03 01:39:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-03 01:39:15,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-03 01:39:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 01:39:15,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 01:39:15,613 INFO L130 BoogieDeclarations]: Found specification of procedure msb_reset [2022-11-03 01:39:15,613 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_reset [2022-11-03 01:39:15,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 01:39:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 01:39:15,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 01:39:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 01:39:15,615 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2022-11-03 01:39:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2022-11-03 01:39:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-11-03 01:39:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-11-03 01:39:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 01:39:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 01:39:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure msb_remove [2022-11-03 01:39:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_remove [2022-11-03 01:39:15,616 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_bad [2022-11-03 01:39:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_bad [2022-11-03 01:39:15,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 01:39:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 01:39:15,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2022-11-03 01:39:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2022-11-03 01:39:15,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:39:15,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:39:15,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__not_initialized [2022-11-03 01:39:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__not_initialized [2022-11-03 01:39:15,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 01:39:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 01:39:15,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:39:15,618 INFO L130 BoogieDeclarations]: Found specification of procedure msb_read_page [2022-11-03 01:39:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_read_page [2022-11-03 01:39:15,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_msb_data [2022-11-03 01:39:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_msb_data [2022-11-03 01:39:15,619 INFO L130 BoogieDeclarations]: Found specification of procedure msb_mark_block_used [2022-11-03 01:39:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_mark_block_used [2022-11-03 01:39:15,619 INFO L130 BoogieDeclarations]: Found specification of procedure msb_cache_discard [2022-11-03 01:39:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_cache_discard [2022-11-03 01:39:15,619 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 01:39:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 01:39:15,619 INFO L130 BoogieDeclarations]: Found specification of procedure msb_start [2022-11-03 01:39:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_start [2022-11-03 01:39:15,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 01:39:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 01:39:15,620 INFO L130 BoogieDeclarations]: Found specification of procedure msb_init_card [2022-11-03 01:39:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_init_card [2022-11-03 01:39:15,620 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_one [2022-11-03 01:39:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_one [2022-11-03 01:39:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:39:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:39:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-03 01:39:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-03 01:39:15,621 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-03 01:39:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-03 01:39:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 01:39:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 01:39:15,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 01:39:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 01:39:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure msb_switch_to_parallel [2022-11-03 01:39:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_switch_to_parallel [2022-11-03 01:39:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 01:39:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 01:39:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure msb_validate_used_block_bitmap [2022-11-03 01:39:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_validate_used_block_bitmap [2022-11-03 01:39:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-03 01:39:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-03 01:39:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 01:39:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 01:39:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:39:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 01:39:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 01:39:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-03 01:39:15,624 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-03 01:39:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_set_drvdata [2022-11-03 01:39:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_set_drvdata [2022-11-03 01:39:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:39:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure msb_invalidate_reg_window [2022-11-03 01:39:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_invalidate_reg_window [2022-11-03 01:39:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_101 [2022-11-03 01:39:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_101 [2022-11-03 01:39:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure msb_erase_block [2022-11-03 01:39:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_erase_block [2022-11-03 01:39:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:39:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 01:39:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 01:39:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-03 01:39:15,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-03 01:39:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 01:39:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 01:39:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_next [2022-11-03 01:39:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_next [2022-11-03 01:39:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 01:39:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 01:39:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 01:39:15,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 01:39:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_start [2022-11-03 01:39:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_start [2022-11-03 01:39:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure msb_run_state_machine [2022-11-03 01:39:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_run_state_machine [2022-11-03 01:39:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 01:39:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 01:39:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-03 01:39:15,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-03 01:39:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 01:39:15,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 01:39:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-03 01:39:15,629 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-03 01:39:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-03 01:39:15,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-03 01:39:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 01:39:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 01:39:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 01:39:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 01:39:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-03 01:39:15,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-03 01:39:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:39:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 01:39:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 01:39:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 01:39:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 01:39:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 01:39:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 01:39:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure sg_nents [2022-11-03 01:39:15,631 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_nents [2022-11-03 01:39:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_msb_disk_lock [2022-11-03 01:39:15,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_msb_disk_lock [2022-11-03 01:39:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-11-03 01:39:15,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-11-03 01:39:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_stop [2022-11-03 01:39:15,632 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_stop [2022-11-03 01:39:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure msb_set_overwrite_flag [2022-11-03 01:39:15,633 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_set_overwrite_flag [2022-11-03 01:39:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 01:39:15,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 01:39:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 01:39:15,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 01:39:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure msb_disk_release [2022-11-03 01:39:15,634 INFO L138 BoogieDeclarations]: Found implementation of procedure msb_disk_release [2022-11-03 01:39:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_memstick_host [2022-11-03 01:39:15,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_memstick_host [2022-11-03 01:39:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-11-03 01:39:15,635 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-11-03 01:39:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_put_disk [2022-11-03 01:39:15,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_put_disk [2022-11-03 01:39:15,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:39:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-03 01:39:15,636 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-03 01:39:16,324 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:39:16,327 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:39:16,421 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 01:39:19,007 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:39:19,814 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:39:19,814 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 01:39:19,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:39:19 BoogieIcfgContainer [2022-11-03 01:39:19,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:39:19,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:39:19,823 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:39:19,827 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:39:19,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:39:10" (1/3) ... [2022-11-03 01:39:19,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cab0ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:39:19, skipping insertion in model container [2022-11-03 01:39:19,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:39:14" (2/3) ... [2022-11-03 01:39:19,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cab0ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:39:19, skipping insertion in model container [2022-11-03 01:39:19,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:39:19" (3/3) ... [2022-11-03 01:39:19,830 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--memstick--core--ms_block.ko.cil.i [2022-11-03 01:39:19,851 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:39:19,851 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2022-11-03 01:39:19,956 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:39:19,965 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;@6673de92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:39:19,965 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2022-11-03 01:39:19,978 INFO L276 IsEmpty]: Start isEmpty. Operand has 1024 states, 582 states have (on average 1.3161512027491409) internal successors, (766), 637 states have internal predecessors, (766), 307 states have call successors, (307), 99 states have call predecessors, (307), 98 states have return successors, (304), 301 states have call predecessors, (304), 304 states have call successors, (304) [2022-11-03 01:39:19,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-03 01:39:19,988 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:39:19,989 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] [2022-11-03 01:39:19,989 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 34 more)] === [2022-11-03 01:39:19,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:39:19,995 INFO L85 PathProgramCache]: Analyzing trace with hash 2142720017, now seen corresponding path program 1 times [2022-11-03 01:39:20,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:39:20,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110735962] [2022-11-03 01:39:20,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:39:20,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:39:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:39:20,870 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 01:39:20,870 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:39:20,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110735962] [2022-11-03 01:39:20,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110735962] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:39:20,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:39:20,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:39:20,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172374374] [2022-11-03 01:39:20,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:39:20,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:39:20,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:39:20,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:39:20,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:39:20,926 INFO L87 Difference]: Start difference. First operand has 1024 states, 582 states have (on average 1.3161512027491409) internal successors, (766), 637 states have internal predecessors, (766), 307 states have call successors, (307), 99 states have call predecessors, (307), 98 states have return successors, (304), 301 states have call predecessors, (304), 304 states have call successors, (304) Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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 01:39:23,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:39:26,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:39:26,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:39:26,791 INFO L93 Difference]: Finished difference Result 2988 states and 4265 transitions. [2022-11-03 01:39:26,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:39:26,793 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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 38 [2022-11-03 01:39:26,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:39:26,833 INFO L225 Difference]: With dead ends: 2988 [2022-11-03 01:39:26,833 INFO L226 Difference]: Without dead ends: 1978 [2022-11-03 01:39:26,848 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 01:39:26,850 INFO L413 NwaCegarLoop]: 1447 mSDtfsCounter, 1298 mSDsluCounter, 2913 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1302 SdHoareTripleChecker+Valid, 4013 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:39:26,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1302 Valid, 4013 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 528 Invalid, 2 Unknown, 0 Unchecked, 5.5s Time] [2022-11-03 01:39:26,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2022-11-03 01:39:27,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1796. [2022-11-03 01:39:27,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1796 states, 1033 states have (on average 1.255566311713456) internal successors, (1297), 1103 states have internal predecessors, (1297), 552 states have call successors, (552), 176 states have call predecessors, (552), 175 states have return successors, (552), 542 states have call predecessors, (552), 550 states have call successors, (552) [2022-11-03 01:39:27,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1796 states to 1796 states and 2401 transitions. [2022-11-03 01:39:27,072 INFO L78 Accepts]: Start accepts. Automaton has 1796 states and 2401 transitions. Word has length 38 [2022-11-03 01:39:27,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:39:27,073 INFO L495 AbstractCegarLoop]: Abstraction has 1796 states and 2401 transitions. [2022-11-03 01:39:27,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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 01:39:27,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1796 states and 2401 transitions. [2022-11-03 01:39:27,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-03 01:39:27,125 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:39:27,125 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] [2022-11-03 01:39:27,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:39:27,126 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-03 01:39:27,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:39:27,126 INFO L85 PathProgramCache]: Analyzing trace with hash -2040874738, now seen corresponding path program 1 times [2022-11-03 01:39:27,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:39:27,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650365368] [2022-11-03 01:39:27,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:39:27,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:39:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:39:28,067 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-03 01:39:28,068 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:39:28,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650365368] [2022-11-03 01:39:28,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650365368] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:39:28,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:39:28,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 01:39:28,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090720407] [2022-11-03 01:39:28,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:39:28,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 01:39:28,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:39:28,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 01:39:28,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-11-03 01:39:28,071 INFO L87 Difference]: Start difference. First operand 1796 states and 2401 transitions. Second operand has 11 states, 8 states have (on average 2.875) internal successors, (23), 10 states have internal predecessors, (23), 6 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2022-11-03 01:39:33,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:39:35,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:39:35,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:39:35,954 INFO L93 Difference]: Finished difference Result 1990 states and 2620 transitions. [2022-11-03 01:39:35,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 01:39:35,955 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 2.875) internal successors, (23), 10 states have internal predecessors, (23), 6 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 42 [2022-11-03 01:39:35,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:39:35,971 INFO L225 Difference]: With dead ends: 1990 [2022-11-03 01:39:35,971 INFO L226 Difference]: Without dead ends: 1829 [2022-11-03 01:39:35,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-11-03 01:39:35,975 INFO L413 NwaCegarLoop]: 1153 mSDtfsCounter, 22 mSDsluCounter, 11743 mSDsCounter, 0 mSdLazyCounter, 2026 mSolverCounterSat, 97 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 11356 SdHoareTripleChecker+Invalid, 2125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 2026 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:39:35,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 11356 Invalid, 2125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 2026 Invalid, 2 Unknown, 0 Unchecked, 7.6s Time] [2022-11-03 01:39:35,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1829 states. [2022-11-03 01:39:36,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1829 to 1805. [2022-11-03 01:39:36,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1805 states, 1038 states have (on average 1.254335260115607) internal successors, (1302), 1108 states have internal predecessors, (1302), 556 states have call successors, (556), 176 states have call predecessors, (556), 175 states have return successors, (556), 546 states have call predecessors, (556), 554 states have call successors, (556) [2022-11-03 01:39:36,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1805 states and 2414 transitions. [2022-11-03 01:39:36,125 INFO L78 Accepts]: Start accepts. Automaton has 1805 states and 2414 transitions. Word has length 42 [2022-11-03 01:39:36,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:39:36,125 INFO L495 AbstractCegarLoop]: Abstraction has 1805 states and 2414 transitions. [2022-11-03 01:39:36,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 2.875) internal successors, (23), 10 states have internal predecessors, (23), 6 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2022-11-03 01:39:36,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2414 transitions. [2022-11-03 01:39:36,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-03 01:39:36,160 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:39:36,161 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] [2022-11-03 01:39:36,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:39:36,161 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-03 01:39:36,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:39:36,161 INFO L85 PathProgramCache]: Analyzing trace with hash 3665882, now seen corresponding path program 1 times [2022-11-03 01:39:36,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:39:36,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565027380] [2022-11-03 01:39:36,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:39:36,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:39:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:39:36,439 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 01:39:36,440 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:39:36,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565027380] [2022-11-03 01:39:36,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565027380] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:39:36,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:39:36,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:39:36,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525072447] [2022-11-03 01:39:36,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:39:36,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:39:36,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:39:36,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:39:36,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:39:36,444 INFO L87 Difference]: Start difference. First operand 1805 states and 2414 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 01:39:39,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:39:41,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:39:42,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:39:42,140 INFO L93 Difference]: Finished difference Result 3515 states and 4701 transitions. [2022-11-03 01:39:42,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:39:42,141 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 43 [2022-11-03 01:39:42,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:39:42,162 INFO L225 Difference]: With dead ends: 3515 [2022-11-03 01:39:42,163 INFO L226 Difference]: Without dead ends: 3513 [2022-11-03 01:39:42,165 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 01:39:42,168 INFO L413 NwaCegarLoop]: 1447 mSDtfsCounter, 1256 mSDsluCounter, 2892 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1260 SdHoareTripleChecker+Valid, 3997 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:39:42,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1260 Valid, 3997 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 537 Invalid, 2 Unknown, 0 Unchecked, 5.5s Time] [2022-11-03 01:39:42,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3513 states. [2022-11-03 01:39:42,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3513 to 3325. [2022-11-03 01:39:42,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3325 states, 1917 states have (on average 1.2550860719874803) internal successors, (2406), 2021 states have internal predecessors, (2406), 1040 states have call successors, (1040), 333 states have call predecessors, (1040), 332 states have return successors, (1056), 1020 states have call predecessors, (1056), 1038 states have call successors, (1056) [2022-11-03 01:39:42,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 3325 states and 4502 transitions. [2022-11-03 01:39:42,414 INFO L78 Accepts]: Start accepts. Automaton has 3325 states and 4502 transitions. Word has length 43 [2022-11-03 01:39:42,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:39:42,415 INFO L495 AbstractCegarLoop]: Abstraction has 3325 states and 4502 transitions. [2022-11-03 01:39:42,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 01:39:42,415 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 4502 transitions. [2022-11-03 01:39:42,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-03 01:39:42,420 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:39:42,420 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] [2022-11-03 01:39:42,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:39:42,421 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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 34 more)] === [2022-11-03 01:39:42,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:39:42,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1663513574, now seen corresponding path program 1 times [2022-11-03 01:39:42,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:39:42,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690145049] [2022-11-03 01:39:42,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:39:42,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:39:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:39:42,681 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 01:39:42,681 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:39:42,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690145049] [2022-11-03 01:39:42,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690145049] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:39:42,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:39:42,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:39:42,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20397152] [2022-11-03 01:39:42,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:39:42,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:39:42,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:39:42,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:39:42,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:39:42,684 INFO L87 Difference]: Start difference. First operand 3325 states and 4502 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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 01:39:45,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:39:47,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:39:48,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:39:48,569 INFO L93 Difference]: Finished difference Result 6535 states and 8839 transitions. [2022-11-03 01:39:48,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:39:48,570 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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 48 [2022-11-03 01:39:48,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:39:48,614 INFO L225 Difference]: With dead ends: 6535 [2022-11-03 01:39:48,614 INFO L226 Difference]: Without dead ends: 6533 [2022-11-03 01:39:48,620 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 01:39:48,622 INFO L413 NwaCegarLoop]: 1435 mSDtfsCounter, 1276 mSDsluCounter, 2865 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1280 SdHoareTripleChecker+Valid, 3959 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:39:48,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1280 Valid, 3959 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 529 Invalid, 2 Unknown, 0 Unchecked, 5.6s Time] [2022-11-03 01:39:48,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6533 states. [2022-11-03 01:39:48,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6533 to 6347. [2022-11-03 01:39:48,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6347 states, 3668 states have (on average 1.257906215921483) internal successors, (4614), 3848 states have internal predecessors, (4614), 2000 states have call successors, (2000), 648 states have call predecessors, (2000), 643 states have return successors, (2032), 1948 states have call predecessors, (2032), 1998 states have call successors, (2032) [2022-11-03 01:39:49,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6347 states to 6347 states and 8646 transitions. [2022-11-03 01:39:49,074 INFO L78 Accepts]: Start accepts. Automaton has 6347 states and 8646 transitions. Word has length 48 [2022-11-03 01:39:49,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:39:49,074 INFO L495 AbstractCegarLoop]: Abstraction has 6347 states and 8646 transitions. [2022-11-03 01:39:49,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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 01:39:49,075 INFO L276 IsEmpty]: Start isEmpty. Operand 6347 states and 8646 transitions. [2022-11-03 01:39:49,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-03 01:39:49,075 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:39:49,076 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-03 01:39:49,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:39:49,076 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-03 01:39:49,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:39:49,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1286319990, now seen corresponding path program 1 times [2022-11-03 01:39:49,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:39:49,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450666578] [2022-11-03 01:39:49,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:39:49,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:39:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:39:49,655 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-03 01:39:49,655 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:39:49,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450666578] [2022-11-03 01:39:49,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450666578] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:39:49,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871486264] [2022-11-03 01:39:49,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:39:49,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:39:49,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:39:49,662 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:39:49,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 01:39:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:39:50,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 1378 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-03 01:39:50,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:39:50,298 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-03 01:39:50,298 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:39:50,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871486264] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:39:50,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 01:39:50,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2022-11-03 01:39:50,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917970658] [2022-11-03 01:39:50,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:39:50,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 01:39:50,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:39:50,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 01:39:50,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 01:39:50,300 INFO L87 Difference]: Start difference. First operand 6347 states and 8646 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-03 01:39:54,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:39:56,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:39:56,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:39:56,952 INFO L93 Difference]: Finished difference Result 6826 states and 9336 transitions. [2022-11-03 01:39:56,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 01:39:56,952 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 55 [2022-11-03 01:39:56,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:39:56,996 INFO L225 Difference]: With dead ends: 6826 [2022-11-03 01:39:56,996 INFO L226 Difference]: Without dead ends: 6624 [2022-11-03 01:39:57,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:39:57,003 INFO L413 NwaCegarLoop]: 1251 mSDtfsCounter, 49 mSDsluCounter, 6894 mSDsCounter, 0 mSdLazyCounter, 1220 mSolverCounterSat, 146 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 7277 SdHoareTripleChecker+Invalid, 1368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 1220 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:39:57,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 7277 Invalid, 1368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 1220 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-11-03 01:39:57,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6624 states. [2022-11-03 01:39:57,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6624 to 6349. [2022-11-03 01:39:57,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6349 states, 3670 states have (on average 1.2577656675749318) internal successors, (4616), 3850 states have internal predecessors, (4616), 2000 states have call successors, (2000), 648 states have call predecessors, (2000), 643 states have return successors, (2032), 1948 states have call predecessors, (2032), 1998 states have call successors, (2032) [2022-11-03 01:39:57,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6349 states to 6349 states and 8648 transitions. [2022-11-03 01:39:57,504 INFO L78 Accepts]: Start accepts. Automaton has 6349 states and 8648 transitions. Word has length 55 [2022-11-03 01:39:57,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:39:57,505 INFO L495 AbstractCegarLoop]: Abstraction has 6349 states and 8648 transitions. [2022-11-03 01:39:57,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-03 01:39:57,506 INFO L276 IsEmpty]: Start isEmpty. Operand 6349 states and 8648 transitions. [2022-11-03 01:39:57,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-03 01:39:57,508 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:39:57,509 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] [2022-11-03 01:39:57,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-03 01:39:57,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:39:57,725 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-03 01:39:57,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:39:57,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1928875664, now seen corresponding path program 1 times [2022-11-03 01:39:57,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:39:57,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560036557] [2022-11-03 01:39:57,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:39:57,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:39:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:39:57,956 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 01:39:57,956 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:39:57,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560036557] [2022-11-03 01:39:57,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560036557] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:39:57,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:39:57,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:39:57,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656032755] [2022-11-03 01:39:57,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:39:57,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:39:57,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:39:57,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:39:57,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:39:57,959 INFO L87 Difference]: Start difference. First operand 6349 states and 8648 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 01:40:00,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:40:02,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:40:03,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:40:03,660 INFO L93 Difference]: Finished difference Result 6555 states and 8862 transitions. [2022-11-03 01:40:03,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:40:03,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 53 [2022-11-03 01:40:03,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:40:03,699 INFO L225 Difference]: With dead ends: 6555 [2022-11-03 01:40:03,699 INFO L226 Difference]: Without dead ends: 6553 [2022-11-03 01:40:03,704 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 01:40:03,705 INFO L413 NwaCegarLoop]: 1438 mSDtfsCounter, 1280 mSDsluCounter, 2891 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1284 SdHoareTripleChecker+Valid, 3983 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:40:03,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1284 Valid, 3983 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 527 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2022-11-03 01:40:03,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6553 states. [2022-11-03 01:40:04,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6553 to 6391. [2022-11-03 01:40:04,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6391 states, 3691 states have (on average 1.2571118937957193) internal successors, (4640), 3871 states have internal predecessors, (4640), 2014 states have call successors, (2014), 655 states have call predecessors, (2014), 650 states have return successors, (2046), 1962 states have call predecessors, (2046), 2012 states have call successors, (2046) [2022-11-03 01:40:04,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6391 states to 6391 states and 8700 transitions. [2022-11-03 01:40:04,112 INFO L78 Accepts]: Start accepts. Automaton has 6391 states and 8700 transitions. Word has length 53 [2022-11-03 01:40:04,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:40:04,114 INFO L495 AbstractCegarLoop]: Abstraction has 6391 states and 8700 transitions. [2022-11-03 01:40:04,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 01:40:04,115 INFO L276 IsEmpty]: Start isEmpty. Operand 6391 states and 8700 transitions. [2022-11-03 01:40:04,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-03 01:40:04,116 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:40:04,116 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:40:04,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 01:40:04,116 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-03 01:40:04,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:40:04,117 INFO L85 PathProgramCache]: Analyzing trace with hash -897268400, now seen corresponding path program 1 times [2022-11-03 01:40:04,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:40:04,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976903624] [2022-11-03 01:40:04,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:40:04,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:40:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:40:04,880 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-03 01:40:04,880 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:40:04,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976903624] [2022-11-03 01:40:04,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976903624] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:40:04,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:40:04,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 01:40:04,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031452517] [2022-11-03 01:40:04,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:40:04,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 01:40:04,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:40:04,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 01:40:04,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-03 01:40:04,882 INFO L87 Difference]: Start difference. First operand 6391 states and 8700 transitions. Second operand has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 11 states have internal predecessors, (30), 7 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2022-11-03 01:40:10,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:40:13,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:40:13,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:40:13,495 INFO L93 Difference]: Finished difference Result 6913 states and 9335 transitions. [2022-11-03 01:40:13,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 01:40:13,495 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 11 states have internal predecessors, (30), 7 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) Word has length 59 [2022-11-03 01:40:13,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:40:13,530 INFO L225 Difference]: With dead ends: 6913 [2022-11-03 01:40:13,531 INFO L226 Difference]: Without dead ends: 6541 [2022-11-03 01:40:13,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2022-11-03 01:40:13,537 INFO L413 NwaCegarLoop]: 1152 mSDtfsCounter, 29 mSDsluCounter, 13027 mSDsCounter, 0 mSdLazyCounter, 2236 mSolverCounterSat, 124 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 12469 SdHoareTripleChecker+Invalid, 2362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 2236 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:40:13,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 12469 Invalid, 2362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 2236 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2022-11-03 01:40:13,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6541 states. [2022-11-03 01:40:13,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6541 to 6462. [2022-11-03 01:40:13,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6462 states, 3734 states have (on average 1.254151044456347) internal successors, (4683), 3914 states have internal predecessors, (4683), 2042 states have call successors, (2042), 655 states have call predecessors, (2042), 650 states have return successors, (2074), 1990 states have call predecessors, (2074), 2040 states have call successors, (2074) [2022-11-03 01:40:13,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6462 states to 6462 states and 8799 transitions. [2022-11-03 01:40:13,920 INFO L78 Accepts]: Start accepts. Automaton has 6462 states and 8799 transitions. Word has length 59 [2022-11-03 01:40:13,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:40:13,921 INFO L495 AbstractCegarLoop]: Abstraction has 6462 states and 8799 transitions. [2022-11-03 01:40:13,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 11 states have internal predecessors, (30), 7 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2022-11-03 01:40:13,921 INFO L276 IsEmpty]: Start isEmpty. Operand 6462 states and 8799 transitions. [2022-11-03 01:40:13,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-03 01:40:13,922 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:40:13,922 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] [2022-11-03 01:40:13,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 01:40:13,923 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-03 01:40:13,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:40:13,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1899417804, now seen corresponding path program 1 times [2022-11-03 01:40:13,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:40:13,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844374453] [2022-11-03 01:40:13,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:40:13,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:40:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:40:14,144 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 01:40:14,145 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:40:14,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844374453] [2022-11-03 01:40:14,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844374453] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:40:14,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:40:14,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:40:14,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868429757] [2022-11-03 01:40:14,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:40:14,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:40:14,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:40:14,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:40:14,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:40:14,147 INFO L87 Difference]: Start difference. First operand 6462 states and 8799 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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 01:40:17,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:40:19,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:40:20,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:40:20,002 INFO L93 Difference]: Finished difference Result 6624 states and 8959 transitions. [2022-11-03 01:40:20,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:40:20,003 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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 58 [2022-11-03 01:40:20,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:40:20,036 INFO L225 Difference]: With dead ends: 6624 [2022-11-03 01:40:20,037 INFO L226 Difference]: Without dead ends: 6622 [2022-11-03 01:40:20,042 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 01:40:20,043 INFO L413 NwaCegarLoop]: 1449 mSDtfsCounter, 1277 mSDsluCounter, 2903 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1281 SdHoareTripleChecker+Valid, 4005 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:40:20,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1281 Valid, 4005 Invalid, 532 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 2 Unknown, 0 Unchecked, 5.5s Time] [2022-11-03 01:40:20,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6622 states. [2022-11-03 01:40:20,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6622 to 6468. [2022-11-03 01:40:20,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6468 states, 3737 states have (on average 1.253947016323254) internal successors, (4686), 3917 states have internal predecessors, (4686), 2044 states have call successors, (2044), 656 states have call predecessors, (2044), 651 states have return successors, (2076), 1992 states have call predecessors, (2076), 2042 states have call successors, (2076) [2022-11-03 01:40:20,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6468 states to 6468 states and 8806 transitions. [2022-11-03 01:40:20,545 INFO L78 Accepts]: Start accepts. Automaton has 6468 states and 8806 transitions. Word has length 58 [2022-11-03 01:40:20,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:40:20,546 INFO L495 AbstractCegarLoop]: Abstraction has 6468 states and 8806 transitions. [2022-11-03 01:40:20,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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 01:40:20,546 INFO L276 IsEmpty]: Start isEmpty. Operand 6468 states and 8806 transitions. [2022-11-03 01:40:20,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-03 01:40:20,547 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:40:20,547 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] [2022-11-03 01:40:20,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 01:40:20,548 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-03 01:40:20,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:40:20,548 INFO L85 PathProgramCache]: Analyzing trace with hash -838412475, now seen corresponding path program 1 times [2022-11-03 01:40:20,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:40:20,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313686425] [2022-11-03 01:40:20,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:40:20,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:40:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:40:20,797 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 01:40:20,797 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:40:20,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313686425] [2022-11-03 01:40:20,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313686425] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:40:20,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:40:20,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:40:20,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715972255] [2022-11-03 01:40:20,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:40:20,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:40:20,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:40:20,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:40:20,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:40:20,800 INFO L87 Difference]: Start difference. First operand 6468 states and 8806 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 01:40:23,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:40:25,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:40:26,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:40:26,579 INFO L93 Difference]: Finished difference Result 6622 states and 8957 transitions. [2022-11-03 01:40:26,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:40:26,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 63 [2022-11-03 01:40:26,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:40:26,612 INFO L225 Difference]: With dead ends: 6622 [2022-11-03 01:40:26,613 INFO L226 Difference]: Without dead ends: 6620 [2022-11-03 01:40:26,618 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 01:40:26,619 INFO L413 NwaCegarLoop]: 1449 mSDtfsCounter, 1274 mSDsluCounter, 2903 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1278 SdHoareTripleChecker+Valid, 4005 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:40:26,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1278 Valid, 4005 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2022-11-03 01:40:26,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6620 states. [2022-11-03 01:40:27,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6620 to 6474. [2022-11-03 01:40:27,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6474 states, 3740 states have (on average 1.2537433155080213) internal successors, (4689), 3920 states have internal predecessors, (4689), 2046 states have call successors, (2046), 657 states have call predecessors, (2046), 652 states have return successors, (2078), 1994 states have call predecessors, (2078), 2044 states have call successors, (2078) [2022-11-03 01:40:27,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6474 states to 6474 states and 8813 transitions. [2022-11-03 01:40:27,116 INFO L78 Accepts]: Start accepts. Automaton has 6474 states and 8813 transitions. Word has length 63 [2022-11-03 01:40:27,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:40:27,116 INFO L495 AbstractCegarLoop]: Abstraction has 6474 states and 8813 transitions. [2022-11-03 01:40:27,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 01:40:27,117 INFO L276 IsEmpty]: Start isEmpty. Operand 6474 states and 8813 transitions. [2022-11-03 01:40:27,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-03 01:40:27,119 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:40:27,119 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] [2022-11-03 01:40:27,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 01:40:27,119 INFO L420 AbstractCegarLoop]: === Iteration 10 === 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 34 more)] === [2022-11-03 01:40:27,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:40:27,120 INFO L85 PathProgramCache]: Analyzing trace with hash -324194205, now seen corresponding path program 1 times [2022-11-03 01:40:27,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:40:27,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584804029] [2022-11-03 01:40:27,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:40:27,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:40:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:40:27,346 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 01:40:27,347 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:40:27,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584804029] [2022-11-03 01:40:27,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584804029] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:40:27,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:40:27,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:40:27,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848850057] [2022-11-03 01:40:27,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:40:27,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:40:27,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:40:27,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:40:27,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:40:27,350 INFO L87 Difference]: Start difference. First operand 6474 states and 8813 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 01:40:30,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:40:32,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:40:33,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:40:33,298 INFO L93 Difference]: Finished difference Result 6620 states and 8955 transitions. [2022-11-03 01:40:33,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:40:33,299 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 68 [2022-11-03 01:40:33,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:40:33,328 INFO L225 Difference]: With dead ends: 6620 [2022-11-03 01:40:33,328 INFO L226 Difference]: Without dead ends: 6618 [2022-11-03 01:40:33,333 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 01:40:33,333 INFO L413 NwaCegarLoop]: 1449 mSDtfsCounter, 1271 mSDsluCounter, 2903 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1275 SdHoareTripleChecker+Valid, 4005 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:40:33,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1275 Valid, 4005 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 2 Unknown, 0 Unchecked, 5.6s Time] [2022-11-03 01:40:33,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6618 states. [2022-11-03 01:40:33,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6618 to 6480. [2022-11-03 01:40:33,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6480 states, 3743 states have (on average 1.2535399412236174) internal successors, (4692), 3923 states have internal predecessors, (4692), 2048 states have call successors, (2048), 658 states have call predecessors, (2048), 653 states have return successors, (2080), 1996 states have call predecessors, (2080), 2046 states have call successors, (2080) [2022-11-03 01:40:33,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6480 states to 6480 states and 8820 transitions. [2022-11-03 01:40:33,801 INFO L78 Accepts]: Start accepts. Automaton has 6480 states and 8820 transitions. Word has length 68 [2022-11-03 01:40:33,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:40:33,803 INFO L495 AbstractCegarLoop]: Abstraction has 6480 states and 8820 transitions. [2022-11-03 01:40:33,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 01:40:33,803 INFO L276 IsEmpty]: Start isEmpty. Operand 6480 states and 8820 transitions. [2022-11-03 01:40:33,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-03 01:40:33,810 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:40:33,811 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 01:40:33,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 01:40:33,811 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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 34 more)] === [2022-11-03 01:40:33,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:40:33,812 INFO L85 PathProgramCache]: Analyzing trace with hash -48087073, now seen corresponding path program 1 times [2022-11-03 01:40:33,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:40:33,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342513813] [2022-11-03 01:40:33,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:40:33,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:40:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:40:34,034 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 01:40:34,034 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:40:34,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342513813] [2022-11-03 01:40:34,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342513813] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:40:34,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:40:34,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:40:34,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483444267] [2022-11-03 01:40:34,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:40:34,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:40:34,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:40:34,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:40:34,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:40:34,037 INFO L87 Difference]: Start difference. First operand 6480 states and 8820 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 01:40:36,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:40:39,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:40:39,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:40:39,934 INFO L93 Difference]: Finished difference Result 6618 states and 8953 transitions. [2022-11-03 01:40:39,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:40:39,936 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 01:40:39,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:40:39,967 INFO L225 Difference]: With dead ends: 6618 [2022-11-03 01:40:39,967 INFO L226 Difference]: Without dead ends: 6616 [2022-11-03 01:40:39,972 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 01:40:39,973 INFO L413 NwaCegarLoop]: 1449 mSDtfsCounter, 1276 mSDsluCounter, 2899 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1280 SdHoareTripleChecker+Valid, 4001 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:40:39,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1280 Valid, 4001 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 2 Unknown, 0 Unchecked, 5.5s Time] [2022-11-03 01:40:39,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6616 states. [2022-11-03 01:40:40,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6616 to 6488. [2022-11-03 01:40:40,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6488 states, 3748 states have (on average 1.2534685165421557) internal successors, (4698), 3928 states have internal predecessors, (4698), 2050 states have call successors, (2050), 659 states have call predecessors, (2050), 654 states have return successors, (2082), 1998 states have call predecessors, (2082), 2048 states have call successors, (2082) [2022-11-03 01:40:40,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6488 states to 6488 states and 8830 transitions. [2022-11-03 01:40:40,502 INFO L78 Accepts]: Start accepts. Automaton has 6488 states and 8830 transitions. Word has length 73 [2022-11-03 01:40:40,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:40:40,503 INFO L495 AbstractCegarLoop]: Abstraction has 6488 states and 8830 transitions. [2022-11-03 01:40:40,503 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 01:40:40,503 INFO L276 IsEmpty]: Start isEmpty. Operand 6488 states and 8830 transitions. [2022-11-03 01:40:40,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-03 01:40:40,505 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:40:40,505 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] [2022-11-03 01:40:40,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 01:40:40,506 INFO L420 AbstractCegarLoop]: === Iteration 12 === 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 34 more)] === [2022-11-03 01:40:40,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:40:40,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1033097474, now seen corresponding path program 1 times [2022-11-03 01:40:40,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:40:40,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177938047] [2022-11-03 01:40:40,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:40:40,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:40:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:40:40,730 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 01:40:40,730 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:40:40,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177938047] [2022-11-03 01:40:40,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177938047] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:40:40,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:40:40,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:40:40,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635082210] [2022-11-03 01:40:40,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:40:40,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:40:40,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:40:40,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:40:40,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:40:40,733 INFO L87 Difference]: Start difference. First operand 6488 states and 8830 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 01:40:43,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:40:45,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:40:46,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:40:46,578 INFO L93 Difference]: Finished difference Result 6616 states and 8951 transitions. [2022-11-03 01:40:46,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:40:46,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 75 [2022-11-03 01:40:46,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:40:46,609 INFO L225 Difference]: With dead ends: 6616 [2022-11-03 01:40:46,609 INFO L226 Difference]: Without dead ends: 6614 [2022-11-03 01:40:46,614 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 01:40:46,615 INFO L413 NwaCegarLoop]: 1449 mSDtfsCounter, 1264 mSDsluCounter, 2903 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1268 SdHoareTripleChecker+Valid, 4005 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:40:46,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1268 Valid, 4005 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 2 Unknown, 0 Unchecked, 5.5s Time] [2022-11-03 01:40:46,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6614 states. [2022-11-03 01:40:47,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6614 to 6488. [2022-11-03 01:40:47,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6488 states, 3748 states have (on average 1.2532017075773747) internal successors, (4697), 3928 states have internal predecessors, (4697), 2050 states have call successors, (2050), 659 states have call predecessors, (2050), 654 states have return successors, (2082), 1998 states have call predecessors, (2082), 2048 states have call successors, (2082) [2022-11-03 01:40:47,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6488 states to 6488 states and 8829 transitions. [2022-11-03 01:40:47,088 INFO L78 Accepts]: Start accepts. Automaton has 6488 states and 8829 transitions. Word has length 75 [2022-11-03 01:40:47,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:40:47,089 INFO L495 AbstractCegarLoop]: Abstraction has 6488 states and 8829 transitions. [2022-11-03 01:40:47,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 01:40:47,089 INFO L276 IsEmpty]: Start isEmpty. Operand 6488 states and 8829 transitions. [2022-11-03 01:40:47,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-03 01:40:47,090 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:40:47,091 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] [2022-11-03 01:40:47,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-03 01:40:47,091 INFO L420 AbstractCegarLoop]: === Iteration 13 === 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 34 more)] === [2022-11-03 01:40:47,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:40:47,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1827962519, now seen corresponding path program 1 times [2022-11-03 01:40:47,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:40:47,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037658575] [2022-11-03 01:40:47,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:40:47,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:40:47,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:40:47,296 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 01:40:47,296 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:40:47,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037658575] [2022-11-03 01:40:47,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037658575] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:40:47,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:40:47,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:40:47,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68536240] [2022-11-03 01:40:47,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:40:47,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:40:47,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:40:47,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:40:47,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:40:47,299 INFO L87 Difference]: Start difference. First operand 6488 states and 8829 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 01:40:49,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:40:52,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:40:54,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:40:55,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:40:55,066 INFO L93 Difference]: Finished difference Result 6634 states and 8969 transitions. [2022-11-03 01:40:55,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:40:55,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 80 [2022-11-03 01:40:55,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:40:55,096 INFO L225 Difference]: With dead ends: 6634 [2022-11-03 01:40:55,096 INFO L226 Difference]: Without dead ends: 6632 [2022-11-03 01:40:55,102 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 01:40:55,103 INFO L413 NwaCegarLoop]: 1448 mSDtfsCounter, 1259 mSDsluCounter, 2900 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1264 SdHoareTripleChecker+Valid, 4003 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:40:55,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1264 Valid, 4003 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 526 Invalid, 3 Unknown, 0 Unchecked, 7.4s Time] [2022-11-03 01:40:55,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6632 states. [2022-11-03 01:40:55,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6632 to 6506. [2022-11-03 01:40:55,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6506 states, 3759 states have (on average 1.2535248736366056) internal successors, (4712), 3939 states have internal predecessors, (4712), 2052 states have call successors, (2052), 664 states have call predecessors, (2052), 659 states have return successors, (2084), 2000 states have call predecessors, (2084), 2050 states have call successors, (2084) [2022-11-03 01:40:55,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6506 states to 6506 states and 8848 transitions. [2022-11-03 01:40:55,639 INFO L78 Accepts]: Start accepts. Automaton has 6506 states and 8848 transitions. Word has length 80 [2022-11-03 01:40:55,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:40:55,640 INFO L495 AbstractCegarLoop]: Abstraction has 6506 states and 8848 transitions. [2022-11-03 01:40:55,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 01:40:55,640 INFO L276 IsEmpty]: Start isEmpty. Operand 6506 states and 8848 transitions. [2022-11-03 01:40:55,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-03 01:40:55,642 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:40:55,642 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] [2022-11-03 01:40:55,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-03 01:40:55,642 INFO L420 AbstractCegarLoop]: === Iteration 14 === 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 34 more)] === [2022-11-03 01:40:55,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:40:55,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1128825506, now seen corresponding path program 1 times [2022-11-03 01:40:55,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:40:55,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973774077] [2022-11-03 01:40:55,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:40:55,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:40:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:40:55,867 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 01:40:55,867 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:40:55,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973774077] [2022-11-03 01:40:55,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973774077] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:40:55,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:40:55,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:40:55,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358934697] [2022-11-03 01:40:55,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:40:55,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:40:55,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:40:55,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:40:55,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:40:55,871 INFO L87 Difference]: Start difference. First operand 6506 states and 8848 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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 01:40:58,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:41:01,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:41:01,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:01,929 INFO L93 Difference]: Finished difference Result 6624 states and 8959 transitions. [2022-11-03 01:41:01,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:41:01,929 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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 85 [2022-11-03 01:41:01,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:01,957 INFO L225 Difference]: With dead ends: 6624 [2022-11-03 01:41:01,958 INFO L226 Difference]: Without dead ends: 6622 [2022-11-03 01:41:01,962 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 01:41:01,963 INFO L413 NwaCegarLoop]: 1449 mSDtfsCounter, 1260 mSDsluCounter, 2903 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1264 SdHoareTripleChecker+Valid, 4005 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:01,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1264 Valid, 4005 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 2 Unknown, 0 Unchecked, 5.6s Time] [2022-11-03 01:41:01,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6622 states. [2022-11-03 01:41:02,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6622 to 6512. [2022-11-03 01:41:02,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6512 states, 3762 states have (on average 1.2533227006911218) internal successors, (4715), 3942 states have internal predecessors, (4715), 2054 states have call successors, (2054), 665 states have call predecessors, (2054), 660 states have return successors, (2086), 2002 states have call predecessors, (2086), 2052 states have call successors, (2086) [2022-11-03 01:41:02,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6512 states to 6512 states and 8855 transitions. [2022-11-03 01:41:02,490 INFO L78 Accepts]: Start accepts. Automaton has 6512 states and 8855 transitions. Word has length 85 [2022-11-03 01:41:02,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:02,490 INFO L495 AbstractCegarLoop]: Abstraction has 6512 states and 8855 transitions. [2022-11-03 01:41:02,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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 01:41:02,491 INFO L276 IsEmpty]: Start isEmpty. Operand 6512 states and 8855 transitions. [2022-11-03 01:41:02,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-03 01:41:02,492 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:02,492 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-03 01:41:02,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-03 01:41:02,493 INFO L420 AbstractCegarLoop]: === Iteration 15 === 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 34 more)] === [2022-11-03 01:41:02,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:02,494 INFO L85 PathProgramCache]: Analyzing trace with hash 2028735298, now seen corresponding path program 1 times [2022-11-03 01:41:02,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:02,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170240418] [2022-11-03 01:41:02,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:02,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:03,139 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-11-03 01:41:03,139 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:03,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170240418] [2022-11-03 01:41:03,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170240418] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:03,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:03,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:41:03,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715014473] [2022-11-03 01:41:03,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:03,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:41:03,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:03,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:41:03,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:41:03,144 INFO L87 Difference]: Start difference. First operand 6512 states and 8855 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 01:41:06,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:41:08,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:41:11,233 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 01:41:11,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:11,518 INFO L93 Difference]: Finished difference Result 7602 states and 10206 transitions. [2022-11-03 01:41:11,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:41:11,519 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 119 [2022-11-03 01:41:11,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:11,543 INFO L225 Difference]: With dead ends: 7602 [2022-11-03 01:41:11,543 INFO L226 Difference]: Without dead ends: 7600 [2022-11-03 01:41:11,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:41:11,547 INFO L413 NwaCegarLoop]: 1462 mSDtfsCounter, 1230 mSDsluCounter, 4504 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1234 SdHoareTripleChecker+Valid, 5449 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:11,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1234 Valid, 5449 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 705 Invalid, 3 Unknown, 0 Unchecked, 7.9s Time] [2022-11-03 01:41:11,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7600 states. [2022-11-03 01:41:11,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7600 to 7410. [2022-11-03 01:41:12,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7410 states, 4304 states have (on average 1.2530204460966543) internal successors, (5393), 4505 states have internal predecessors, (5393), 2286 states have call successors, (2286), 791 states have call predecessors, (2286), 784 states have return successors, (2322), 2221 states have call predecessors, (2322), 2284 states have call successors, (2322) [2022-11-03 01:41:12,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7410 states to 7410 states and 10001 transitions. [2022-11-03 01:41:12,043 INFO L78 Accepts]: Start accepts. Automaton has 7410 states and 10001 transitions. Word has length 119 [2022-11-03 01:41:12,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:12,044 INFO L495 AbstractCegarLoop]: Abstraction has 7410 states and 10001 transitions. [2022-11-03 01:41:12,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 01:41:12,045 INFO L276 IsEmpty]: Start isEmpty. Operand 7410 states and 10001 transitions. [2022-11-03 01:41:12,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-03 01:41:12,046 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:12,046 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] [2022-11-03 01:41:12,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-03 01:41:12,047 INFO L420 AbstractCegarLoop]: === Iteration 16 === 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 34 more)] === [2022-11-03 01:41:12,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:12,047 INFO L85 PathProgramCache]: Analyzing trace with hash 235516507, now seen corresponding path program 1 times [2022-11-03 01:41:12,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:12,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323941150] [2022-11-03 01:41:12,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:12,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:12,272 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 01:41:12,273 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:12,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323941150] [2022-11-03 01:41:12,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323941150] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:12,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:12,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:41:12,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969825057] [2022-11-03 01:41:12,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:12,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:41:12,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:12,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:41:12,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:41:12,275 INFO L87 Difference]: Start difference. First operand 7410 states and 10001 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 01:41:15,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:41:17,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:41:18,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:18,423 INFO L93 Difference]: Finished difference Result 7520 states and 10103 transitions. [2022-11-03 01:41:18,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:41:18,424 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 90 [2022-11-03 01:41:18,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:18,453 INFO L225 Difference]: With dead ends: 7520 [2022-11-03 01:41:18,453 INFO L226 Difference]: Without dead ends: 7518 [2022-11-03 01:41:18,457 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 01:41:18,457 INFO L413 NwaCegarLoop]: 1449 mSDtfsCounter, 1257 mSDsluCounter, 2903 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1261 SdHoareTripleChecker+Valid, 4005 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:18,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1261 Valid, 4005 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 2 Unknown, 0 Unchecked, 5.6s Time] [2022-11-03 01:41:18,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7518 states. [2022-11-03 01:41:18,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7518 to 7416. [2022-11-03 01:41:18,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7416 states, 4307 states have (on average 1.2528442071047132) internal successors, (5396), 4508 states have internal predecessors, (5396), 2288 states have call successors, (2288), 792 states have call predecessors, (2288), 785 states have return successors, (2324), 2223 states have call predecessors, (2324), 2286 states have call successors, (2324) [2022-11-03 01:41:18,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7416 states to 7416 states and 10008 transitions. [2022-11-03 01:41:18,944 INFO L78 Accepts]: Start accepts. Automaton has 7416 states and 10008 transitions. Word has length 90 [2022-11-03 01:41:18,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:18,945 INFO L495 AbstractCegarLoop]: Abstraction has 7416 states and 10008 transitions. [2022-11-03 01:41:18,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 01:41:18,945 INFO L276 IsEmpty]: Start isEmpty. Operand 7416 states and 10008 transitions. [2022-11-03 01:41:18,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-03 01:41:18,946 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:18,946 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-03 01:41:18,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-03 01:41:18,946 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-03 01:41:18,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:18,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1431181329, now seen corresponding path program 1 times [2022-11-03 01:41:18,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:18,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945533356] [2022-11-03 01:41:18,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:18,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:19,702 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-11-03 01:41:19,703 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:19,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945533356] [2022-11-03 01:41:19,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945533356] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:19,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:19,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:41:19,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828377680] [2022-11-03 01:41:19,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:19,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:41:19,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:19,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:41:19,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:41:19,705 INFO L87 Difference]: Start difference. First operand 7416 states and 10008 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-03 01:41:23,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:41:25,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:41:28,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:41:29,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:29,237 INFO L93 Difference]: Finished difference Result 7526 states and 10109 transitions. [2022-11-03 01:41:29,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 01:41:29,237 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 123 [2022-11-03 01:41:29,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:29,262 INFO L225 Difference]: With dead ends: 7526 [2022-11-03 01:41:29,263 INFO L226 Difference]: Without dead ends: 7524 [2022-11-03 01:41:29,268 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 01:41:29,268 INFO L413 NwaCegarLoop]: 1449 mSDtfsCounter, 1259 mSDsluCounter, 5538 mSDsCounter, 0 mSdLazyCounter, 1473 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1265 SdHoareTripleChecker+Valid, 6299 SdHoareTripleChecker+Invalid, 1478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1473 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:29,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1265 Valid, 6299 Invalid, 1478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1473 Invalid, 3 Unknown, 0 Unchecked, 9.0s Time] [2022-11-03 01:41:29,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7524 states. [2022-11-03 01:41:29,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7524 to 7416. [2022-11-03 01:41:29,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7416 states, 4307 states have (on average 1.25191548641746) internal successors, (5392), 4508 states have internal predecessors, (5392), 2288 states have call successors, (2288), 792 states have call predecessors, (2288), 785 states have return successors, (2324), 2223 states have call predecessors, (2324), 2286 states have call successors, (2324) [2022-11-03 01:41:29,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7416 states to 7416 states and 10004 transitions. [2022-11-03 01:41:29,737 INFO L78 Accepts]: Start accepts. Automaton has 7416 states and 10004 transitions. Word has length 123 [2022-11-03 01:41:29,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:29,738 INFO L495 AbstractCegarLoop]: Abstraction has 7416 states and 10004 transitions. [2022-11-03 01:41:29,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-03 01:41:29,738 INFO L276 IsEmpty]: Start isEmpty. Operand 7416 states and 10004 transitions. [2022-11-03 01:41:29,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 01:41:29,739 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:29,739 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] [2022-11-03 01:41:29,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-03 01:41:29,740 INFO L420 AbstractCegarLoop]: === Iteration 18 === 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 34 more)] === [2022-11-03 01:41:29,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:29,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1507032768, now seen corresponding path program 1 times [2022-11-03 01:41:29,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:29,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474836488] [2022-11-03 01:41:29,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:29,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:29,952 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 01:41:29,953 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:29,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474836488] [2022-11-03 01:41:29,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474836488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:29,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:29,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:41:29,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621436828] [2022-11-03 01:41:29,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:29,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:41:29,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:29,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:41:29,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:41:29,956 INFO L87 Difference]: Start difference. First operand 7416 states and 10004 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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 01:41:32,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:41:35,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:41:36,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:36,052 INFO L93 Difference]: Finished difference Result 7516 states and 10096 transitions. [2022-11-03 01:41:36,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:41:36,052 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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 95 [2022-11-03 01:41:36,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:36,078 INFO L225 Difference]: With dead ends: 7516 [2022-11-03 01:41:36,079 INFO L226 Difference]: Without dead ends: 7514 [2022-11-03 01:41:36,082 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 01:41:36,083 INFO L413 NwaCegarLoop]: 1449 mSDtfsCounter, 1252 mSDsluCounter, 2903 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1256 SdHoareTripleChecker+Valid, 4005 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:36,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1256 Valid, 4005 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 2 Unknown, 0 Unchecked, 5.5s Time] [2022-11-03 01:41:36,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7514 states. [2022-11-03 01:41:36,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7514 to 7422. [2022-11-03 01:41:36,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7422 states, 4310 states have (on average 1.251740139211137) internal successors, (5395), 4511 states have internal predecessors, (5395), 2290 states have call successors, (2290), 793 states have call predecessors, (2290), 786 states have return successors, (2326), 2225 states have call predecessors, (2326), 2288 states have call successors, (2326) [2022-11-03 01:41:36,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7422 states to 7422 states and 10011 transitions. [2022-11-03 01:41:36,687 INFO L78 Accepts]: Start accepts. Automaton has 7422 states and 10011 transitions. Word has length 95 [2022-11-03 01:41:36,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:36,687 INFO L495 AbstractCegarLoop]: Abstraction has 7422 states and 10011 transitions. [2022-11-03 01:41:36,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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 01:41:36,688 INFO L276 IsEmpty]: Start isEmpty. Operand 7422 states and 10011 transitions. [2022-11-03 01:41:36,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-03 01:41:36,689 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:36,689 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-03 01:41:36,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-03 01:41:36,690 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-03 01:41:36,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:36,690 INFO L85 PathProgramCache]: Analyzing trace with hash -92571531, now seen corresponding path program 1 times [2022-11-03 01:41:36,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:36,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251047666] [2022-11-03 01:41:36,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:36,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:36,877 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-11-03 01:41:36,878 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:36,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251047666] [2022-11-03 01:41:36,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251047666] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:36,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:36,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:41:36,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627504000] [2022-11-03 01:41:36,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:36,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:41:36,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:36,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:41:36,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:41:36,882 INFO L87 Difference]: Start difference. First operand 7422 states and 10011 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-03 01:41:39,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:41:41,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:41:44,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:41:44,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:44,666 INFO L93 Difference]: Finished difference Result 14894 states and 20117 transitions. [2022-11-03 01:41:44,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:41:44,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 126 [2022-11-03 01:41:44,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:44,698 INFO L225 Difference]: With dead ends: 14894 [2022-11-03 01:41:44,698 INFO L226 Difference]: Without dead ends: 7504 [2022-11-03 01:41:44,736 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 01:41:44,736 INFO L413 NwaCegarLoop]: 1450 mSDtfsCounter, 1239 mSDsluCounter, 1278 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1241 SdHoareTripleChecker+Valid, 2557 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:44,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1241 Valid, 2557 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 350 Invalid, 3 Unknown, 0 Unchecked, 7.2s Time] [2022-11-03 01:41:44,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7504 states. [2022-11-03 01:41:45,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7504 to 7414. [2022-11-03 01:41:45,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7414 states, 4302 states have (on average 1.2503486750348676) internal successors, (5379), 4503 states have internal predecessors, (5379), 2290 states have call successors, (2290), 793 states have call predecessors, (2290), 786 states have return successors, (2326), 2225 states have call predecessors, (2326), 2288 states have call successors, (2326) [2022-11-03 01:41:45,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7414 states to 7414 states and 9995 transitions. [2022-11-03 01:41:45,291 INFO L78 Accepts]: Start accepts. Automaton has 7414 states and 9995 transitions. Word has length 126 [2022-11-03 01:41:45,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:45,292 INFO L495 AbstractCegarLoop]: Abstraction has 7414 states and 9995 transitions. [2022-11-03 01:41:45,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-03 01:41:45,292 INFO L276 IsEmpty]: Start isEmpty. Operand 7414 states and 9995 transitions. [2022-11-03 01:41:45,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-03 01:41:45,294 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:45,294 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-03 01:41:45,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-03 01:41:45,295 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-03 01:41:45,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:45,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1824508307, now seen corresponding path program 1 times [2022-11-03 01:41:45,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:45,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833047233] [2022-11-03 01:41:45,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:45,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:45,745 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-11-03 01:41:45,746 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:45,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833047233] [2022-11-03 01:41:45,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833047233] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:45,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:45,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:41:45,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797899852] [2022-11-03 01:41:45,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:45,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:41:45,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:45,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:41:45,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:41:45,750 INFO L87 Difference]: Start difference. First operand 7414 states and 9995 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-03 01:41:48,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:41:51,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:41:53,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:41:53,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:41:53,789 INFO L93 Difference]: Finished difference Result 7438 states and 10013 transitions. [2022-11-03 01:41:53,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:41:53,789 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 129 [2022-11-03 01:41:53,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:41:53,814 INFO L225 Difference]: With dead ends: 7438 [2022-11-03 01:41:53,814 INFO L226 Difference]: Without dead ends: 7436 [2022-11-03 01:41:53,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 01:41:53,818 INFO L413 NwaCegarLoop]: 1159 mSDtfsCounter, 89 mSDsluCounter, 3939 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 4578 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:41:53,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 4578 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 709 Invalid, 3 Unknown, 0 Unchecked, 7.6s Time] [2022-11-03 01:41:53,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7436 states. [2022-11-03 01:41:54,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7436 to 7419. [2022-11-03 01:41:54,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7419 states, 4306 states have (on average 1.2484904784022295) internal successors, (5376), 4507 states have internal predecessors, (5376), 2288 states have call successors, (2288), 796 states have call predecessors, (2288), 789 states have return successors, (2324), 2223 states have call predecessors, (2324), 2286 states have call successors, (2324) [2022-11-03 01:41:54,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7419 states to 7419 states and 9988 transitions. [2022-11-03 01:41:54,341 INFO L78 Accepts]: Start accepts. Automaton has 7419 states and 9988 transitions. Word has length 129 [2022-11-03 01:41:54,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:41:54,341 INFO L495 AbstractCegarLoop]: Abstraction has 7419 states and 9988 transitions. [2022-11-03 01:41:54,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-03 01:41:54,341 INFO L276 IsEmpty]: Start isEmpty. Operand 7419 states and 9988 transitions. [2022-11-03 01:41:54,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-03 01:41:54,342 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:41:54,342 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] [2022-11-03 01:41:54,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-03 01:41:54,343 INFO L420 AbstractCegarLoop]: === Iteration 21 === 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 34 more)] === [2022-11-03 01:41:54,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:41:54,344 INFO L85 PathProgramCache]: Analyzing trace with hash -777100829, now seen corresponding path program 1 times [2022-11-03 01:41:54,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:41:54,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080046338] [2022-11-03 01:41:54,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:41:54,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:41:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:41:54,604 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 01:41:54,604 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:41:54,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080046338] [2022-11-03 01:41:54,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080046338] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:41:54,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:41:54,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:41:54,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565077876] [2022-11-03 01:41:54,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:41:54,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:41:54,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:41:54,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:41:54,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:41:54,609 INFO L87 Difference]: Start difference. First operand 7419 states and 9988 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 01:41:57,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:41:59,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:42:00,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:00,538 INFO L93 Difference]: Finished difference Result 7509 states and 10070 transitions. [2022-11-03 01:42:00,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:42:00,538 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 100 [2022-11-03 01:42:00,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:00,567 INFO L225 Difference]: With dead ends: 7509 [2022-11-03 01:42:00,567 INFO L226 Difference]: Without dead ends: 7507 [2022-11-03 01:42:00,571 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 01:42:00,572 INFO L413 NwaCegarLoop]: 1449 mSDtfsCounter, 1244 mSDsluCounter, 2903 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1248 SdHoareTripleChecker+Valid, 4005 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:00,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1248 Valid, 4005 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 529 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2022-11-03 01:42:00,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7507 states. [2022-11-03 01:42:01,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7507 to 7425. [2022-11-03 01:42:01,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7425 states, 4309 states have (on average 1.2483174750522164) internal successors, (5379), 4510 states have internal predecessors, (5379), 2290 states have call successors, (2290), 797 states have call predecessors, (2290), 790 states have return successors, (2326), 2225 states have call predecessors, (2326), 2288 states have call successors, (2326) [2022-11-03 01:42:01,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7425 states to 7425 states and 9995 transitions. [2022-11-03 01:42:01,174 INFO L78 Accepts]: Start accepts. Automaton has 7425 states and 9995 transitions. Word has length 100 [2022-11-03 01:42:01,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:01,174 INFO L495 AbstractCegarLoop]: Abstraction has 7425 states and 9995 transitions. [2022-11-03 01:42:01,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 01:42:01,175 INFO L276 IsEmpty]: Start isEmpty. Operand 7425 states and 9995 transitions. [2022-11-03 01:42:01,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-03 01:42:01,176 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:01,176 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] [2022-11-03 01:42:01,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-03 01:42:01,176 INFO L420 AbstractCegarLoop]: === Iteration 22 === 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 34 more)] === [2022-11-03 01:42:01,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:01,177 INFO L85 PathProgramCache]: Analyzing trace with hash -187987172, now seen corresponding path program 1 times [2022-11-03 01:42:01,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:01,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134081510] [2022-11-03 01:42:01,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:01,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:01,421 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 01:42:01,421 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:01,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134081510] [2022-11-03 01:42:01,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134081510] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:01,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:01,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:42:01,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585351390] [2022-11-03 01:42:01,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:01,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:42:01,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:01,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:42:01,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:42:01,426 INFO L87 Difference]: Start difference. First operand 7425 states and 9995 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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 01:42:04,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:42:06,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:42:07,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:07,492 INFO L93 Difference]: Finished difference Result 9210 states and 12297 transitions. [2022-11-03 01:42:07,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:42:07,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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 105 [2022-11-03 01:42:07,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:07,531 INFO L225 Difference]: With dead ends: 9210 [2022-11-03 01:42:07,532 INFO L226 Difference]: Without dead ends: 9208 [2022-11-03 01:42:07,538 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 01:42:07,539 INFO L413 NwaCegarLoop]: 1499 mSDtfsCounter, 1195 mSDsluCounter, 2927 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1199 SdHoareTripleChecker+Valid, 4070 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:07,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1199 Valid, 4070 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 553 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2022-11-03 01:42:07,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9208 states. [2022-11-03 01:42:08,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9208 to 9091. [2022-11-03 01:42:08,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9091 states, 5300 states have (on average 1.2467924528301886) internal successors, (6608), 5536 states have internal predecessors, (6608), 2768 states have call successors, (2768), 995 states have call predecessors, (2768), 987 states have return successors, (2817), 2689 states have call predecessors, (2817), 2766 states have call successors, (2817) [2022-11-03 01:42:08,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9091 states to 9091 states and 12193 transitions. [2022-11-03 01:42:08,383 INFO L78 Accepts]: Start accepts. Automaton has 9091 states and 12193 transitions. Word has length 105 [2022-11-03 01:42:08,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:08,384 INFO L495 AbstractCegarLoop]: Abstraction has 9091 states and 12193 transitions. [2022-11-03 01:42:08,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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 01:42:08,384 INFO L276 IsEmpty]: Start isEmpty. Operand 9091 states and 12193 transitions. [2022-11-03 01:42:08,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-03 01:42:08,385 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:08,386 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] [2022-11-03 01:42:08,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-03 01:42:08,386 INFO L420 AbstractCegarLoop]: === Iteration 23 === 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 34 more)] === [2022-11-03 01:42:08,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:08,387 INFO L85 PathProgramCache]: Analyzing trace with hash 103587508, now seen corresponding path program 1 times [2022-11-03 01:42:08,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:08,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155744229] [2022-11-03 01:42:08,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:08,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:08,803 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 01:42:08,803 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:08,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155744229] [2022-11-03 01:42:08,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155744229] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:08,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:08,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:42:08,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384997149] [2022-11-03 01:42:08,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:08,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:42:08,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:08,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:42:08,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:42:08,806 INFO L87 Difference]: Start difference. First operand 9091 states and 12193 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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 01:42:11,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:42:13,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:42:14,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:14,832 INFO L93 Difference]: Finished difference Result 9197 states and 12289 transitions. [2022-11-03 01:42:14,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:42:14,833 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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 110 [2022-11-03 01:42:14,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:14,863 INFO L225 Difference]: With dead ends: 9197 [2022-11-03 01:42:14,863 INFO L226 Difference]: Without dead ends: 9195 [2022-11-03 01:42:14,867 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 01:42:14,868 INFO L413 NwaCegarLoop]: 1465 mSDtfsCounter, 1240 mSDsluCounter, 2920 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1244 SdHoareTripleChecker+Valid, 4037 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:14,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1244 Valid, 4037 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 531 Invalid, 2 Unknown, 0 Unchecked, 5.3s Time] [2022-11-03 01:42:14,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9195 states. [2022-11-03 01:42:15,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9195 to 9131. [2022-11-03 01:42:15,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9131 states, 5324 states have (on average 1.246619083395943) internal successors, (6637), 5560 states have internal predecessors, (6637), 2776 states have call successors, (2776), 1003 states have call predecessors, (2776), 995 states have return successors, (2825), 2697 states have call predecessors, (2825), 2774 states have call successors, (2825) [2022-11-03 01:42:15,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9131 states to 9131 states and 12238 transitions. [2022-11-03 01:42:15,552 INFO L78 Accepts]: Start accepts. Automaton has 9131 states and 12238 transitions. Word has length 110 [2022-11-03 01:42:15,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:15,553 INFO L495 AbstractCegarLoop]: Abstraction has 9131 states and 12238 transitions. [2022-11-03 01:42:15,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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 01:42:15,553 INFO L276 IsEmpty]: Start isEmpty. Operand 9131 states and 12238 transitions. [2022-11-03 01:42:15,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-03 01:42:15,555 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:15,555 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] [2022-11-03 01:42:15,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-03 01:42:15,555 INFO L420 AbstractCegarLoop]: === Iteration 24 === 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 34 more)] === [2022-11-03 01:42:15,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:15,556 INFO L85 PathProgramCache]: Analyzing trace with hash 878211513, now seen corresponding path program 1 times [2022-11-03 01:42:15,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:15,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324008555] [2022-11-03 01:42:15,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:15,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:15,808 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 01:42:15,808 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:15,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324008555] [2022-11-03 01:42:15,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324008555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:15,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:15,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:42:15,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634399814] [2022-11-03 01:42:15,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:15,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:42:15,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:15,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:42:15,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:42:15,811 INFO L87 Difference]: Start difference. First operand 9131 states and 12238 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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 01:42:18,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:42:20,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:42:22,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:22,014 INFO L93 Difference]: Finished difference Result 9195 states and 12286 transitions. [2022-11-03 01:42:22,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:42:22,015 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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 115 [2022-11-03 01:42:22,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:22,042 INFO L225 Difference]: With dead ends: 9195 [2022-11-03 01:42:22,043 INFO L226 Difference]: Without dead ends: 9193 [2022-11-03 01:42:22,049 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 01:42:22,050 INFO L413 NwaCegarLoop]: 1465 mSDtfsCounter, 1237 mSDsluCounter, 2920 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1241 SdHoareTripleChecker+Valid, 4037 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:22,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1241 Valid, 4037 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 531 Invalid, 2 Unknown, 0 Unchecked, 5.5s Time] [2022-11-03 01:42:22,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9193 states. [2022-11-03 01:42:22,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9193 to 9136. [2022-11-03 01:42:22,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9136 states, 5327 states have (on average 1.2462924723108693) internal successors, (6639), 5563 states have internal predecessors, (6639), 2777 states have call successors, (2777), 1004 states have call predecessors, (2777), 996 states have return successors, (2826), 2698 states have call predecessors, (2826), 2775 states have call successors, (2826) [2022-11-03 01:42:22,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9136 states to 9136 states and 12242 transitions. [2022-11-03 01:42:22,823 INFO L78 Accepts]: Start accepts. Automaton has 9136 states and 12242 transitions. Word has length 115 [2022-11-03 01:42:22,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:22,824 INFO L495 AbstractCegarLoop]: Abstraction has 9136 states and 12242 transitions. [2022-11-03 01:42:22,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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 01:42:22,825 INFO L276 IsEmpty]: Start isEmpty. Operand 9136 states and 12242 transitions. [2022-11-03 01:42:22,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-03 01:42:22,826 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:22,826 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] [2022-11-03 01:42:22,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-03 01:42:22,827 INFO L420 AbstractCegarLoop]: === Iteration 25 === 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 34 more)] === [2022-11-03 01:42:22,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:22,827 INFO L85 PathProgramCache]: Analyzing trace with hash -2011838279, now seen corresponding path program 1 times [2022-11-03 01:42:22,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:22,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534553775] [2022-11-03 01:42:22,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:22,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:23,095 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 01:42:23,095 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:23,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534553775] [2022-11-03 01:42:23,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534553775] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:23,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:23,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:42:23,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217538937] [2022-11-03 01:42:23,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:23,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:42:23,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:23,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:42:23,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:42:23,098 INFO L87 Difference]: Start difference. First operand 9136 states and 12242 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 01:42:25,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:42:27,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:42:29,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:29,038 INFO L93 Difference]: Finished difference Result 9193 states and 12283 transitions. [2022-11-03 01:42:29,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:42:29,038 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 120 [2022-11-03 01:42:29,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:29,064 INFO L225 Difference]: With dead ends: 9193 [2022-11-03 01:42:29,064 INFO L226 Difference]: Without dead ends: 9191 [2022-11-03 01:42:29,068 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 01:42:29,069 INFO L413 NwaCegarLoop]: 1465 mSDtfsCounter, 1234 mSDsluCounter, 2920 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1238 SdHoareTripleChecker+Valid, 4037 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:29,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1238 Valid, 4037 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 531 Invalid, 2 Unknown, 0 Unchecked, 5.2s Time] [2022-11-03 01:42:29,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9191 states. [2022-11-03 01:42:29,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9191 to 9141. [2022-11-03 01:42:29,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9141 states, 5330 states have (on average 1.2459662288930582) internal successors, (6641), 5566 states have internal predecessors, (6641), 2778 states have call successors, (2778), 1005 states have call predecessors, (2778), 997 states have return successors, (2827), 2699 states have call predecessors, (2827), 2776 states have call successors, (2827) [2022-11-03 01:42:29,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9141 states to 9141 states and 12246 transitions. [2022-11-03 01:42:29,822 INFO L78 Accepts]: Start accepts. Automaton has 9141 states and 12246 transitions. Word has length 120 [2022-11-03 01:42:29,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:29,823 INFO L495 AbstractCegarLoop]: Abstraction has 9141 states and 12246 transitions. [2022-11-03 01:42:29,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 01:42:29,823 INFO L276 IsEmpty]: Start isEmpty. Operand 9141 states and 12246 transitions. [2022-11-03 01:42:29,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-03 01:42:29,824 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:29,824 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] [2022-11-03 01:42:29,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-03 01:42:29,825 INFO L420 AbstractCegarLoop]: === Iteration 26 === 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 34 more)] === [2022-11-03 01:42:29,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:29,825 INFO L85 PathProgramCache]: Analyzing trace with hash 2042381379, now seen corresponding path program 1 times [2022-11-03 01:42:29,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:29,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660141235] [2022-11-03 01:42:29,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:29,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:30,081 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 01:42:30,082 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:30,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660141235] [2022-11-03 01:42:30,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660141235] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:42:30,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:42:30,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:42:30,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053322031] [2022-11-03 01:42:30,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:42:30,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:42:30,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:42:30,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:42:30,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:42:30,085 INFO L87 Difference]: Start difference. First operand 9141 states and 12246 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 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 01:42:33,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:42:35,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:42:36,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:42:36,354 INFO L93 Difference]: Finished difference Result 9191 states and 12280 transitions. [2022-11-03 01:42:36,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:42:36,354 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 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 125 [2022-11-03 01:42:36,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:42:36,379 INFO L225 Difference]: With dead ends: 9191 [2022-11-03 01:42:36,379 INFO L226 Difference]: Without dead ends: 9189 [2022-11-03 01:42:36,384 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 01:42:36,384 INFO L413 NwaCegarLoop]: 1465 mSDtfsCounter, 1231 mSDsluCounter, 2920 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1235 SdHoareTripleChecker+Valid, 4037 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:42:36,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1235 Valid, 4037 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 531 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2022-11-03 01:42:36,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9189 states. [2022-11-03 01:42:37,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9189 to 9146. [2022-11-03 01:42:37,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9146 states, 5333 states have (on average 1.2456403525220325) internal successors, (6643), 5569 states have internal predecessors, (6643), 2779 states have call successors, (2779), 1006 states have call predecessors, (2779), 998 states have return successors, (2828), 2700 states have call predecessors, (2828), 2777 states have call successors, (2828) [2022-11-03 01:42:37,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9146 states to 9146 states and 12250 transitions. [2022-11-03 01:42:37,053 INFO L78 Accepts]: Start accepts. Automaton has 9146 states and 12250 transitions. Word has length 125 [2022-11-03 01:42:37,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:42:37,054 INFO L495 AbstractCegarLoop]: Abstraction has 9146 states and 12250 transitions. [2022-11-03 01:42:37,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 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 01:42:37,054 INFO L276 IsEmpty]: Start isEmpty. Operand 9146 states and 12250 transitions. [2022-11-03 01:42:37,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-11-03 01:42:37,055 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:42:37,055 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2022-11-03 01:42:37,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-03 01:42:37,055 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-03 01:42:37,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:42:37,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1434552582, now seen corresponding path program 1 times [2022-11-03 01:42:37,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:42:37,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989030678] [2022-11-03 01:42:37,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:37,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:42:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:38,563 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2022-11-03 01:42:38,563 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:42:38,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989030678] [2022-11-03 01:42:38,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989030678] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:42:38,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655520403] [2022-11-03 01:42:38,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:42:38,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:42:38,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:42:38,571 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:42:38,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16029689-a96b-4def-aebd-5afd45b4d1f4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 01:42:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:42:39,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 1875 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-03 01:42:39,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:42:39,632 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 164 proven. 2 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2022-11-03 01:42:39,632 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:42:40,221 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 4 proven. 42 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2022-11-03 01:42:40,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655520403] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:42:40,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1884033203] [2022-11-03 01:42:40,246 INFO L159 IcfgInterpreter]: Started Sifa with 75 locations of interest [2022-11-03 01:42:40,246 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 01:42:40,250 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 01:42:40,255 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 01:42:40,256 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 01:42:42,052 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-03 01:42:42,221 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-03 01:42:42,505 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-03 01:42:42,633 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-03 01:43:11,141 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 01:43:11,149 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 01:43:21,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:21,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:21,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:21,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:21,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:21,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:21,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:21,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:21,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:21,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:21,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 01:43:22,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 01:43:22,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:22,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 01:43:22,862 INFO L356 Elim1Store]: treesize reduction 44, result has 37.1 percent of original size [2022-11-03 01:43:22,864 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 53 select indices, 53 select index equivalence classes, 374 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 3 case distinctions, treesize of input 4251 treesize of output 4098 [2022-11-03 01:43:23,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 01:43:23,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 01:43:23,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:23,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 01:43:24,452 INFO L356 Elim1Store]: treesize reduction 36, result has 48.6 percent of original size [2022-11-03 01:43:24,453 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 53 select indices, 53 select index equivalence classes, 374 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 3 case distinctions, treesize of input 4243 treesize of output 4098 [2022-11-03 01:43:25,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 01:43:25,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 01:43:25,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 01:43:25,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:43:25,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 01:43:26,100 INFO L356 Elim1Store]: treesize reduction 80, result has 41.2 percent of original size [2022-11-03 01:43:26,103 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 72 select indices, 72 select index equivalence classes, 741 disjoint index pairs (out of 2556 index pairs), introduced 72 new quantified variables, introduced 5 case distinctions, treesize of input 4223 treesize of output 4024 [2022-11-03 01:43:26,802 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 01:43:26,804 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 4179 treesize of output 4177 [2022-11-03 01:43:27,527 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-03 01:43:27,528 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 1 case distinctions, treesize of input 4174 treesize of output 4174 [2022-11-03 01:47:55,003 WARN L234 SmtUtils]: Spent 5.72s on a formula simplification that was a NOOP. DAG size: 1065 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-03 01:52:47,536 WARN L234 SmtUtils]: Spent 17.98s on a formula simplification that was a NOOP. DAG size: 1175 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)