./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--mspro_block.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --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 68513a40eaee6f93188fada1f69ebfb482af82db8b9ebf86280df5864a5e498d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:51:32,533 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:51:32,614 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 15:51:32,619 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:51:32,619 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:51:32,648 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:51:32,649 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:51:32,650 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:51:32,651 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:51:32,651 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:51:32,652 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:51:32,652 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:51:32,653 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:51:32,653 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:51:32,654 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:51:32,655 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:51:32,655 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:51:32,656 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:51:32,656 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:51:32,657 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:51:32,657 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:51:32,658 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:51:32,659 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:51:32,659 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:51:32,660 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:51:32,660 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:51:32,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:51:32,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:51:32,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:51:32,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:51:32,662 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:51:32,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:51:32,663 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:51:32,663 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:51:32,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:51:32,664 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:51:32,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:51:32,664 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:51:32,664 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:51:32,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:51:32,664 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:51:32,665 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:51:32,665 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:51:32,665 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:51:32,665 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68513a40eaee6f93188fada1f69ebfb482af82db8b9ebf86280df5864a5e498d [2023-12-02 15:51:32,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:51:32,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:51:32,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:51:32,940 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:51:32,940 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:51:32,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i [2023-12-02 15:51:36,273 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:51:36,799 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:51:36,800 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i [2023-12-02 15:51:36,859 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/bin/utaipan-verify-nQ1chXbOIh/data/1e2c5e501/d574572da8f243f2bbe71fbb139ab68f/FLAGc4553e6c4 [2023-12-02 15:51:36,877 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/bin/utaipan-verify-nQ1chXbOIh/data/1e2c5e501/d574572da8f243f2bbe71fbb139ab68f [2023-12-02 15:51:36,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:51:36,882 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:51:36,884 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:51:36,884 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:51:36,890 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:51:36,891 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:51:36" (1/1) ... [2023-12-02 15:51:36,893 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cb927d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:36, skipping insertion in model container [2023-12-02 15:51:36,893 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:51:36" (1/1) ... [2023-12-02 15:51:37,065 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:51:40,337 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[312282,312295] [2023-12-02 15:51:40,343 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[312427,312440] [2023-12-02 15:51:40,344 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[312573,312586] [2023-12-02 15:51:40,344 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[312738,312751] [2023-12-02 15:51:40,345 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[312896,312909] [2023-12-02 15:51:40,346 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[313054,313067] [2023-12-02 15:51:40,347 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[313212,313225] [2023-12-02 15:51:40,348 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[313372,313385] [2023-12-02 15:51:40,348 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[313531,313544] [2023-12-02 15:51:40,349 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[313670,313683] [2023-12-02 15:51:40,350 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[313812,313825] [2023-12-02 15:51:40,351 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[313961,313974] [2023-12-02 15:51:40,351 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[314100,314113] [2023-12-02 15:51:40,352 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[314255,314268] [2023-12-02 15:51:40,353 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[314415,314428] [2023-12-02 15:51:40,354 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[314566,314579] [2023-12-02 15:51:40,355 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[314717,314730] [2023-12-02 15:51:40,355 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[314869,314882] [2023-12-02 15:51:40,356 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[315018,315031] [2023-12-02 15:51:40,357 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[315166,315179] [2023-12-02 15:51:40,358 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[315323,315336] [2023-12-02 15:51:40,358 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[315472,315485] [2023-12-02 15:51:40,359 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[315628,315641] [2023-12-02 15:51:40,360 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[315781,315794] [2023-12-02 15:51:40,361 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[315927,315940] [2023-12-02 15:51:40,361 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[316070,316083] [2023-12-02 15:51:40,362 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[316222,316235] [2023-12-02 15:51:40,363 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[316368,316381] [2023-12-02 15:51:40,363 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[316513,316526] [2023-12-02 15:51:40,364 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[316667,316680] [2023-12-02 15:51:40,365 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[316818,316831] [2023-12-02 15:51:40,366 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[316973,316986] [2023-12-02 15:51:40,366 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[317125,317138] [2023-12-02 15:51:40,367 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[317280,317293] [2023-12-02 15:51:40,368 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[317444,317457] [2023-12-02 15:51:40,369 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[317600,317613] [2023-12-02 15:51:40,369 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[317764,317777] [2023-12-02 15:51:40,370 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[317906,317919] [2023-12-02 15:51:40,371 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[318064,318077] [2023-12-02 15:51:40,371 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[318231,318244] [2023-12-02 15:51:40,372 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[318390,318403] [2023-12-02 15:51:40,373 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[318549,318562] [2023-12-02 15:51:40,373 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[318698,318711] [2023-12-02 15:51:40,374 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[318845,318858] [2023-12-02 15:51:40,375 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[318984,318997] [2023-12-02 15:51:40,376 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[319147,319160] [2023-12-02 15:51:40,376 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[319313,319326] [2023-12-02 15:51:40,377 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[319477,319490] [2023-12-02 15:51:40,378 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[319642,319655] [2023-12-02 15:51:40,378 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[319807,319820] [2023-12-02 15:51:40,379 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[319973,319986] [2023-12-02 15:51:40,380 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[320138,320151] [2023-12-02 15:51:40,380 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[320305,320318] [2023-12-02 15:51:40,381 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[320465,320478] [2023-12-02 15:51:40,382 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[320627,320640] [2023-12-02 15:51:40,382 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[320786,320799] [2023-12-02 15:51:40,383 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[320932,320945] [2023-12-02 15:51:40,384 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[321075,321088] [2023-12-02 15:51:40,384 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[321219,321232] [2023-12-02 15:51:40,385 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[321362,321375] [2023-12-02 15:51:40,386 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[321506,321519] [2023-12-02 15:51:40,387 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[321647,321660] [2023-12-02 15:51:40,387 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[321785,321798] [2023-12-02 15:51:40,388 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[321943,321956] [2023-12-02 15:51:40,389 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[322102,322115] [2023-12-02 15:51:40,389 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[322258,322271] [2023-12-02 15:51:40,390 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[322407,322420] [2023-12-02 15:51:40,391 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[322559,322572] [2023-12-02 15:51:40,391 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[322710,322723] [2023-12-02 15:51:40,392 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[322859,322872] [2023-12-02 15:51:40,392 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[323011,323024] [2023-12-02 15:51:40,393 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[323159,323172] [2023-12-02 15:51:40,394 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[323312,323325] [2023-12-02 15:51:40,394 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[323463,323476] [2023-12-02 15:51:40,395 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[323613,323626] [2023-12-02 15:51:40,395 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[323760,323773] [2023-12-02 15:51:40,396 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[323911,323924] [2023-12-02 15:51:40,397 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[324062,324075] [2023-12-02 15:51:40,397 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[324210,324223] [2023-12-02 15:51:40,398 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[324376,324389] [2023-12-02 15:51:40,398 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[324545,324558] [2023-12-02 15:51:40,399 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[324712,324725] [2023-12-02 15:51:40,400 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[324880,324893] [2023-12-02 15:51:40,400 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[325030,325043] [2023-12-02 15:51:40,401 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[325177,325190] [2023-12-02 15:51:40,401 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[325338,325351] [2023-12-02 15:51:40,402 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[325508,325521] [2023-12-02 15:51:40,403 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[325670,325683] [2023-12-02 15:51:40,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:51:40,449 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:51:40,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (65), "i" (12UL)); [4759-4760] [2023-12-02 15:51:40,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (67), "i" (12UL)); [4770-4771] [2023-12-02 15:51:40,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (68), "i" (12UL)); [4781-4782] [2023-12-02 15:51:40,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (98), "i" (12UL)); [4813-4814] [2023-12-02 15:51:40,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (99), "i" (12UL)); [4824-4825] [2023-12-02 15:51:40,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/memstick/core/mspro_block.c"), "i" (661), "i" (12UL)); [5662-5663] [2023-12-02 15:51:40,828 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[312282,312295] [2023-12-02 15:51:40,829 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[312427,312440] [2023-12-02 15:51:40,829 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[312573,312586] [2023-12-02 15:51:40,830 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[312738,312751] [2023-12-02 15:51:40,830 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[312896,312909] [2023-12-02 15:51:40,831 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[313054,313067] [2023-12-02 15:51:40,831 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[313212,313225] [2023-12-02 15:51:40,832 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[313372,313385] [2023-12-02 15:51:40,832 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[313531,313544] [2023-12-02 15:51:40,833 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[313670,313683] [2023-12-02 15:51:40,833 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[313812,313825] [2023-12-02 15:51:40,834 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[313961,313974] [2023-12-02 15:51:40,834 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[314100,314113] [2023-12-02 15:51:40,835 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[314255,314268] [2023-12-02 15:51:40,835 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[314415,314428] [2023-12-02 15:51:40,836 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[314566,314579] [2023-12-02 15:51:40,836 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[314717,314730] [2023-12-02 15:51:40,837 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[314869,314882] [2023-12-02 15:51:40,837 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[315018,315031] [2023-12-02 15:51:40,838 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[315166,315179] [2023-12-02 15:51:40,838 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[315323,315336] [2023-12-02 15:51:40,839 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[315472,315485] [2023-12-02 15:51:40,839 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[315628,315641] [2023-12-02 15:51:40,840 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[315781,315794] [2023-12-02 15:51:40,840 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[315927,315940] [2023-12-02 15:51:40,841 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[316070,316083] [2023-12-02 15:51:40,841 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[316222,316235] [2023-12-02 15:51:40,842 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[316368,316381] [2023-12-02 15:51:40,842 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[316513,316526] [2023-12-02 15:51:40,843 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[316667,316680] [2023-12-02 15:51:40,843 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[316818,316831] [2023-12-02 15:51:40,844 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[316973,316986] [2023-12-02 15:51:40,844 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[317125,317138] [2023-12-02 15:51:40,845 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[317280,317293] [2023-12-02 15:51:40,845 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[317444,317457] [2023-12-02 15:51:40,846 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[317600,317613] [2023-12-02 15:51:40,846 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[317764,317777] [2023-12-02 15:51:40,847 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[317906,317919] [2023-12-02 15:51:40,847 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[318064,318077] [2023-12-02 15:51:40,848 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[318231,318244] [2023-12-02 15:51:40,848 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[318390,318403] [2023-12-02 15:51:40,849 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[318549,318562] [2023-12-02 15:51:40,849 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[318698,318711] [2023-12-02 15:51:40,850 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[318845,318858] [2023-12-02 15:51:40,850 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[318984,318997] [2023-12-02 15:51:40,851 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[319147,319160] [2023-12-02 15:51:40,851 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[319313,319326] [2023-12-02 15:51:40,852 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[319477,319490] [2023-12-02 15:51:40,852 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[319642,319655] [2023-12-02 15:51:40,853 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[319807,319820] [2023-12-02 15:51:40,853 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[319973,319986] [2023-12-02 15:51:40,854 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[320138,320151] [2023-12-02 15:51:40,854 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[320305,320318] [2023-12-02 15:51:40,855 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[320465,320478] [2023-12-02 15:51:40,855 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[320627,320640] [2023-12-02 15:51:40,855 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[320786,320799] [2023-12-02 15:51:40,856 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[320932,320945] [2023-12-02 15:51:40,856 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[321075,321088] [2023-12-02 15:51:40,857 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[321219,321232] [2023-12-02 15:51:40,857 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[321362,321375] [2023-12-02 15:51:40,858 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[321506,321519] [2023-12-02 15:51:40,859 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[321647,321660] [2023-12-02 15:51:40,859 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[321785,321798] [2023-12-02 15:51:40,860 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[321943,321956] [2023-12-02 15:51:40,860 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[322102,322115] [2023-12-02 15:51:40,871 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[322258,322271] [2023-12-02 15:51:40,872 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[322407,322420] [2023-12-02 15:51:40,872 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[322559,322572] [2023-12-02 15:51:40,873 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[322710,322723] [2023-12-02 15:51:40,873 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[322859,322872] [2023-12-02 15:51:40,874 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[323011,323024] [2023-12-02 15:51:40,875 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[323159,323172] [2023-12-02 15:51:40,875 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[323312,323325] [2023-12-02 15:51:40,876 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[323463,323476] [2023-12-02 15:51:40,876 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[323613,323626] [2023-12-02 15:51:40,877 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[323760,323773] [2023-12-02 15:51:40,877 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[323911,323924] [2023-12-02 15:51:40,878 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[324062,324075] [2023-12-02 15:51:40,878 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[324210,324223] [2023-12-02 15:51:40,879 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[324376,324389] [2023-12-02 15:51:40,879 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[324545,324558] [2023-12-02 15:51:40,879 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[324712,324725] [2023-12-02 15:51:40,880 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[324880,324893] [2023-12-02 15:51:40,880 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[325030,325043] [2023-12-02 15:51:40,881 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[325177,325190] [2023-12-02 15:51:40,881 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[325338,325351] [2023-12-02 15:51:40,882 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[325508,325521] [2023-12-02 15:51:40,883 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i[325670,325683] [2023-12-02 15:51:40,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:51:41,108 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:51:41,108 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:51:41,117 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:51:41,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:41 WrapperNode [2023-12-02 15:51:41,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:51:41,120 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:51:41,120 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:51:41,120 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:51:41,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:41" (1/1) ... [2023-12-02 15:51:41,208 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:41" (1/1) ... [2023-12-02 15:51:41,353 INFO L138 Inliner]: procedures = 558, calls = 1905, calls flagged for inlining = 239, calls inlined = 141, statements flattened = 2719 [2023-12-02 15:51:41,353 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:51:41,354 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:51:41,354 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:51:41,355 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:51:41,366 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:41" (1/1) ... [2023-12-02 15:51:41,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:41" (1/1) ... [2023-12-02 15:51:41,380 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:41" (1/1) ... [2023-12-02 15:51:41,380 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:41" (1/1) ... [2023-12-02 15:51:41,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:41" (1/1) ... [2023-12-02 15:51:41,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:41" (1/1) ... [2023-12-02 15:51:41,516 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:41" (1/1) ... [2023-12-02 15:51:41,530 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:41" (1/1) ... [2023-12-02 15:51:41,552 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:51:41,553 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:51:41,553 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:51:41,553 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:51:41,554 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:41" (1/1) ... [2023-12-02 15:51:41,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:51:41,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:51:41,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:51:41,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:51:41,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2023-12-02 15:51:41,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2023-12-02 15:51:41,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2023-12-02 15:51:41,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2023-12-02 15:51:41,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-12-02 15:51:41,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-12-02 15:51:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 15:51:41,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 15:51:41,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2023-12-02 15:51:41,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2023-12-02 15:51:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-12-02 15:51:41,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-12-02 15:51:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2023-12-02 15:51:41,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2023-12-02 15:51:41,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2023-12-02 15:51:41,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2023-12-02 15:51:41,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mspro_block_disk_lock [2023-12-02 15:51:41,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mspro_block_disk_lock [2023-12-02 15:51:41,632 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-12-02 15:51:41,632 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 15:51:41,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-12-02 15:51:41,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-12-02 15:51:41,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-12-02 15:51:41,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-12-02 15:51:41,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2023-12-02 15:51:41,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2023-12-02 15:51:41,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 15:51:41,634 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_get_drvdata [2023-12-02 15:51:41,634 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_get_drvdata [2023-12-02 15:51:41,634 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-12-02 15:51:41,634 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-12-02 15:51:41,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2023-12-02 15:51:41,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2023-12-02 15:51:41,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-12-02 15:51:41,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_sched_completion_wait_for_completion_mrq_complete_of_memstick_dev [2023-12-02 15:51:41,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_sched_completion_wait_for_completion_mrq_complete_of_memstick_dev [2023-12-02 15:51:41,636 INFO L130 BoogieDeclarations]: Found specification of procedure mspro_block_wait_for_ced [2023-12-02 15:51:41,636 INFO L138 BoogieDeclarations]: Found implementation of procedure mspro_block_wait_for_ced [2023-12-02 15:51:41,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 15:51:41,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2023-12-02 15:51:41,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2023-12-02 15:51:41,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-12-02 15:51:41,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-12-02 15:51:41,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2023-12-02 15:51:41,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2023-12-02 15:51:41,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 15:51:41,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2023-12-02 15:51:41,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2023-12-02 15:51:41,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-12-02 15:51:41,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-12-02 15:51:41,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-12-02 15:51:41,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-12-02 15:51:41,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2023-12-02 15:51:41,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2023-12-02 15:51:41,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-12-02 15:51:41,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-12-02 15:51:41,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-12-02 15:51:41,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-12-02 15:51:41,639 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2023-12-02 15:51:41,640 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2023-12-02 15:51:41,640 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2023-12-02 15:51:41,640 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2023-12-02 15:51:41,640 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u64~0~X~int~TO~VOID [2023-12-02 15:51:41,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u64~0~X~int~TO~VOID [2023-12-02 15:51:41,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2023-12-02 15:51:41,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2023-12-02 15:51:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-12-02 15:51:41,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-12-02 15:51:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2023-12-02 15:51:41,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2023-12-02 15:51:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2023-12-02 15:51:41,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2023-12-02 15:51:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 15:51:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2023-12-02 15:51:41,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2023-12-02 15:51:41,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:51:41,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__not_initialized [2023-12-02 15:51:41,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__not_initialized [2023-12-02 15:51:41,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-12-02 15:51:41,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-12-02 15:51:41,642 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-12-02 15:51:41,642 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-12-02 15:51:41,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 15:51:41,643 INFO L130 BoogieDeclarations]: Found specification of procedure mspro_block_attr_name [2023-12-02 15:51:41,643 INFO L138 BoogieDeclarations]: Found implementation of procedure mspro_block_attr_name [2023-12-02 15:51:41,643 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_new_req [2023-12-02 15:51:41,643 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_new_req [2023-12-02 15:51:41,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2023-12-02 15:51:41,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2023-12-02 15:51:41,643 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-12-02 15:51:41,643 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-12-02 15:51:41,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_sysfs_remove_group [2023-12-02 15:51:41,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_sysfs_remove_group [2023-12-02 15:51:41,644 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_one [2023-12-02 15:51:41,644 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_one [2023-12-02 15:51:41,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:51:41,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:51:41,644 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-12-02 15:51:41,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-12-02 15:51:41,645 INFO L130 BoogieDeclarations]: Found specification of procedure blk_stop_queue [2023-12-02 15:51:41,645 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_stop_queue [2023-12-02 15:51:41,645 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_set_rw_addr [2023-12-02 15:51:41,645 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_set_rw_addr [2023-12-02 15:51:41,646 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-12-02 15:51:41,646 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-12-02 15:51:41,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-12-02 15:51:41,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-12-02 15:51:41,646 INFO L130 BoogieDeclarations]: Found specification of procedure mspro_block_init_card [2023-12-02 15:51:41,647 INFO L138 BoogieDeclarations]: Found implementation of procedure mspro_block_init_card [2023-12-02 15:51:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-02 15:51:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-02 15:51:41,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-12-02 15:51:41,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-12-02 15:51:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-12-02 15:51:41,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-12-02 15:51:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2023-12-02 15:51:41,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2023-12-02 15:51:41,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2023-12-02 15:51:41,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2023-12-02 15:51:41,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 15:51:41,649 INFO L130 BoogieDeclarations]: Found specification of procedure mspro_block_disk_release [2023-12-02 15:51:41,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mspro_block_disk_release [2023-12-02 15:51:41,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2023-12-02 15:51:41,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2023-12-02 15:51:41,650 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_set_drvdata [2023-12-02 15:51:41,650 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_set_drvdata [2023-12-02 15:51:41,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 15:51:41,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_102 [2023-12-02 15:51:41,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_102 [2023-12-02 15:51:41,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 15:51:41,651 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-12-02 15:51:41,651 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-12-02 15:51:41,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_remove_mspro_block_disk_idr [2023-12-02 15:51:41,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_remove_mspro_block_disk_idr [2023-12-02 15:51:41,652 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-12-02 15:51:41,652 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-12-02 15:51:41,652 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-12-02 15:51:41,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-12-02 15:51:41,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2023-12-02 15:51:41,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2023-12-02 15:51:41,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-12-02 15:51:41,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-12-02 15:51:41,653 INFO L130 BoogieDeclarations]: Found specification of procedure mspro_block_set_interface [2023-12-02 15:51:41,653 INFO L138 BoogieDeclarations]: Found implementation of procedure mspro_block_set_interface [2023-12-02 15:51:41,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-12-02 15:51:41,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-12-02 15:51:41,654 INFO L130 BoogieDeclarations]: Found specification of procedure mspro_block_data_clear [2023-12-02 15:51:41,654 INFO L138 BoogieDeclarations]: Found implementation of procedure mspro_block_data_clear [2023-12-02 15:51:41,654 INFO L130 BoogieDeclarations]: Found specification of procedure mspro_from_sysfs_attr [2023-12-02 15:51:41,655 INFO L138 BoogieDeclarations]: Found implementation of procedure mspro_from_sysfs_attr [2023-12-02 15:51:41,655 INFO L130 BoogieDeclarations]: Found specification of procedure mspro_block_remove [2023-12-02 15:51:41,655 INFO L138 BoogieDeclarations]: Found implementation of procedure mspro_block_remove [2023-12-02 15:51:41,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2023-12-02 15:51:41,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2023-12-02 15:51:41,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-12-02 15:51:41,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-12-02 15:51:41,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2023-12-02 15:51:41,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2023-12-02 15:51:41,656 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2023-12-02 15:51:41,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2023-12-02 15:51:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2023-12-02 15:51:41,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2023-12-02 15:51:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_mspro_block_data [2023-12-02 15:51:41,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_mspro_block_data [2023-12-02 15:51:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-12-02 15:51:41,657 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-12-02 15:51:41,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-12-02 15:51:41,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-12-02 15:51:41,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 15:51:41,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2023-12-02 15:51:41,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2023-12-02 15:51:41,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-12-02 15:51:41,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-12-02 15:51:41,658 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_init_req [2023-12-02 15:51:41,658 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_init_req [2023-12-02 15:51:41,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2023-12-02 15:51:41,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2023-12-02 15:51:41,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mspro_block_disk_lock [2023-12-02 15:51:41,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mspro_block_disk_lock [2023-12-02 15:51:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-12-02 15:51:41,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-12-02 15:51:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2023-12-02 15:51:41,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2023-12-02 15:51:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_memstick_host [2023-12-02 15:51:41,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_memstick_host [2023-12-02 15:51:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2023-12-02 15:51:41,659 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2023-12-02 15:51:41,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_put_disk [2023-12-02 15:51:41,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_put_disk [2023-12-02 15:51:41,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:51:42,127 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:51:42,132 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:51:43,526 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-12-02 15:51:45,174 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:51:45,774 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:51:45,774 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 15:51:45,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:51:45 BoogieIcfgContainer [2023-12-02 15:51:45,777 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:51:45,780 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:51:45,780 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:51:45,784 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:51:45,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:51:36" (1/3) ... [2023-12-02 15:51:45,785 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@563c67d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:51:45, skipping insertion in model container [2023-12-02 15:51:45,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:51:41" (2/3) ... [2023-12-02 15:51:45,785 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@563c67d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:51:45, skipping insertion in model container [2023-12-02 15:51:45,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:51:45" (3/3) ... [2023-12-02 15:51:45,787 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.i [2023-12-02 15:51:45,811 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:51:45,811 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2023-12-02 15:51:45,899 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:51:45,908 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=LoopHeads, 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;@347f74bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:51:45,908 INFO L358 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2023-12-02 15:51:45,919 INFO L276 IsEmpty]: Start isEmpty. Operand has 921 states, 515 states have (on average 1.2990291262135922) internal successors, (669), 559 states have internal predecessors, (669), 283 states have call successors, (283), 86 states have call predecessors, (283), 85 states have return successors, (280), 280 states have call predecessors, (280), 280 states have call successors, (280) [2023-12-02 15:51:45,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 15:51:45,933 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:51:45,934 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] [2023-12-02 15:51:45,934 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mspro_block_removeErr0ASSERT_VIOLATIONERROR_FUNCTION, mspro_block_removeErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 15:51:45,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:51:45,941 INFO L85 PathProgramCache]: Analyzing trace with hash 498800572, now seen corresponding path program 1 times [2023-12-02 15:51:45,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:51:45,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886710185] [2023-12-02 15:51:45,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:51:45,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:51:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:51:46,725 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 15:51:46,725 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:51:46,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886710185] [2023-12-02 15:51:46,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886710185] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:51:46,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:51:46,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:51:46,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979227743] [2023-12-02 15:51:46,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:51:46,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:51:46,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:51:46,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:51:46,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:51:46,778 INFO L87 Difference]: Start difference. First operand has 921 states, 515 states have (on average 1.2990291262135922) internal successors, (669), 559 states have internal predecessors, (669), 283 states have call successors, (283), 86 states have call predecessors, (283), 85 states have return successors, (280), 280 states have call predecessors, (280), 280 states have call successors, (280) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2023-12-02 15:51:48,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:51:48,167 INFO L93 Difference]: Finished difference Result 1804 states and 2513 transitions. [2023-12-02 15:51:48,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:51:48,170 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 42 [2023-12-02 15:51:48,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:51:48,197 INFO L225 Difference]: With dead ends: 1804 [2023-12-02 15:51:48,198 INFO L226 Difference]: Without dead ends: 908 [2023-12-02 15:51:48,210 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 [2023-12-02 15:51:48,213 INFO L413 NwaCegarLoop]: 1059 mSDtfsCounter, 1175 mSDsluCounter, 1059 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1175 SdHoareTripleChecker+Valid, 2118 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:51:48,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1175 Valid, 2118 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-02 15:51:48,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2023-12-02 15:51:48,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 908. [2023-12-02 15:51:48,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 508 states have (on average 1.2224409448818898) internal successors, (621), 549 states have internal predecessors, (621), 280 states have call successors, (280), 85 states have call predecessors, (280), 84 states have return successors, (278), 278 states have call predecessors, (278), 278 states have call successors, (278) [2023-12-02 15:51:48,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1179 transitions. [2023-12-02 15:51:48,359 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1179 transitions. Word has length 42 [2023-12-02 15:51:48,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:51:48,361 INFO L495 AbstractCegarLoop]: Abstraction has 908 states and 1179 transitions. [2023-12-02 15:51:48,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2023-12-02 15:51:48,361 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1179 transitions. [2023-12-02 15:51:48,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 15:51:48,364 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:51:48,364 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] [2023-12-02 15:51:48,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 15:51:48,365 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [mspro_block_removeErr0ASSERT_VIOLATIONERROR_FUNCTION, mspro_block_removeErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 15:51:48,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:51:48,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1411908595, now seen corresponding path program 1 times [2023-12-02 15:51:48,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:51:48,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419960689] [2023-12-02 15:51:48,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:51:48,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:51:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:51:49,186 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 15:51:49,187 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:51:49,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419960689] [2023-12-02 15:51:49,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419960689] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:51:49,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:51:49,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 15:51:49,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149484530] [2023-12-02 15:51:49,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:51:49,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 15:51:49,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:51:49,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 15:51:49,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-02 15:51:49,191 INFO L87 Difference]: Start difference. First operand 908 states and 1179 transitions. Second operand has 12 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 11 states have internal predecessors, (25), 7 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) [2023-12-02 15:51:55,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:51:55,246 INFO L93 Difference]: Finished difference Result 1102 states and 1398 transitions. [2023-12-02 15:51:55,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 15:51:55,247 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 11 states have internal predecessors, (25), 7 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) Word has length 46 [2023-12-02 15:51:55,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:51:55,257 INFO L225 Difference]: With dead ends: 1102 [2023-12-02 15:51:55,257 INFO L226 Difference]: Without dead ends: 941 [2023-12-02 15:51:55,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2023-12-02 15:51:55,260 INFO L413 NwaCegarLoop]: 1028 mSDtfsCounter, 16 mSDsluCounter, 10214 mSDsCounter, 0 mSdLazyCounter, 1713 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 11242 SdHoareTripleChecker+Invalid, 1765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-12-02 15:51:55,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 11242 Invalid, 1765 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [52 Valid, 1713 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2023-12-02 15:51:55,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2023-12-02 15:51:55,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 917. [2023-12-02 15:51:55,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 917 states, 513 states have (on average 1.2202729044834308) internal successors, (626), 554 states have internal predecessors, (626), 284 states have call successors, (284), 85 states have call predecessors, (284), 84 states have return successors, (282), 282 states have call predecessors, (282), 282 states have call successors, (282) [2023-12-02 15:51:55,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 917 states and 1192 transitions. [2023-12-02 15:51:55,328 INFO L78 Accepts]: Start accepts. Automaton has 917 states and 1192 transitions. Word has length 46 [2023-12-02 15:51:55,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:51:55,329 INFO L495 AbstractCegarLoop]: Abstraction has 917 states and 1192 transitions. [2023-12-02 15:51:55,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 11 states have internal predecessors, (25), 7 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) [2023-12-02 15:51:55,329 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1192 transitions. [2023-12-02 15:51:55,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 15:51:55,332 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:51:55,332 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] [2023-12-02 15:51:55,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 15:51:55,333 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mspro_block_removeErr0ASSERT_VIOLATIONERROR_FUNCTION, mspro_block_removeErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 15:51:55,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:51:55,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1461308495, now seen corresponding path program 1 times [2023-12-02 15:51:55,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:51:55,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524386333] [2023-12-02 15:51:55,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:51:55,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:51:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:51:55,602 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 15:51:55,603 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:51:55,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524386333] [2023-12-02 15:51:55,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524386333] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:51:55,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:51:55,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:51:55,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826574554] [2023-12-02 15:51:55,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:51:55,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:51:55,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:51:55,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:51:55,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:51:55,606 INFO L87 Difference]: Start difference. First operand 917 states and 1192 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2023-12-02 15:51:57,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:51:57,070 INFO L93 Difference]: Finished difference Result 1749 states and 2267 transitions. [2023-12-02 15:51:57,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 15:51:57,071 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 47 [2023-12-02 15:51:57,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:51:57,085 INFO L225 Difference]: With dead ends: 1749 [2023-12-02 15:51:57,085 INFO L226 Difference]: Without dead ends: 1747 [2023-12-02 15:51:57,086 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 [2023-12-02 15:51:57,087 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 1099 mSDsluCounter, 2062 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1099 SdHoareTripleChecker+Valid, 3126 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:51:57,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1099 Valid, 3126 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-02 15:51:57,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2023-12-02 15:51:57,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1567. [2023-12-02 15:51:57,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1567 states, 881 states have (on average 1.2202043132803633) internal successors, (1075), 928 states have internal predecessors, (1075), 500 states have call successors, (500), 151 states have call predecessors, (500), 150 states have return successors, (504), 496 states have call predecessors, (504), 498 states have call successors, (504) [2023-12-02 15:51:57,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1567 states and 2079 transitions. [2023-12-02 15:51:57,250 INFO L78 Accepts]: Start accepts. Automaton has 1567 states and 2079 transitions. Word has length 47 [2023-12-02 15:51:57,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:51:57,251 INFO L495 AbstractCegarLoop]: Abstraction has 1567 states and 2079 transitions. [2023-12-02 15:51:57,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2023-12-02 15:51:57,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 2079 transitions. [2023-12-02 15:51:57,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 15:51:57,254 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:51:57,254 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] [2023-12-02 15:51:57,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 15:51:57,255 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mspro_block_removeErr0ASSERT_VIOLATIONERROR_FUNCTION, mspro_block_removeErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 15:51:57,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:51:57,255 INFO L85 PathProgramCache]: Analyzing trace with hash -855434990, now seen corresponding path program 1 times [2023-12-02 15:51:57,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:51:57,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169176993] [2023-12-02 15:51:57,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:51:57,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:51:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:51:57,580 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 15:51:57,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:51:57,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169176993] [2023-12-02 15:51:57,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169176993] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:51:57,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:51:57,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:51:57,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100896721] [2023-12-02 15:51:57,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:51:57,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:51:57,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:51:57,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:51:57,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:51:57,583 INFO L87 Difference]: Start difference. First operand 1567 states and 2079 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2023-12-02 15:51:59,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:51:59,194 INFO L93 Difference]: Finished difference Result 3047 states and 4032 transitions. [2023-12-02 15:51:59,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 15:51:59,195 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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 52 [2023-12-02 15:51:59,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:51:59,223 INFO L225 Difference]: With dead ends: 3047 [2023-12-02 15:51:59,223 INFO L226 Difference]: Without dead ends: 3045 [2023-12-02 15:51:59,225 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 [2023-12-02 15:51:59,226 INFO L413 NwaCegarLoop]: 1050 mSDtfsCounter, 1131 mSDsluCounter, 2032 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1131 SdHoareTripleChecker+Valid, 3082 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:51:59,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1131 Valid, 3082 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-02 15:51:59,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3045 states. [2023-12-02 15:51:59,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3045 to 2868. [2023-12-02 15:51:59,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2868 states, 1620 states have (on average 1.2234567901234568) internal successors, (1982), 1683 states have internal predecessors, (1982), 931 states have call successors, (931), 284 states have call predecessors, (931), 281 states have return successors, (939), 917 states have call predecessors, (939), 929 states have call successors, (939) [2023-12-02 15:51:59,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2868 states to 2868 states and 3852 transitions. [2023-12-02 15:51:59,486 INFO L78 Accepts]: Start accepts. Automaton has 2868 states and 3852 transitions. Word has length 52 [2023-12-02 15:51:59,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:51:59,487 INFO L495 AbstractCegarLoop]: Abstraction has 2868 states and 3852 transitions. [2023-12-02 15:51:59,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2023-12-02 15:51:59,487 INFO L276 IsEmpty]: Start isEmpty. Operand 2868 states and 3852 transitions. [2023-12-02 15:51:59,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 15:51:59,489 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:51:59,489 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] [2023-12-02 15:51:59,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 15:51:59,490 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [mspro_block_removeErr0ASSERT_VIOLATIONERROR_FUNCTION, mspro_block_removeErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 15:51:59,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:51:59,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1270129303, now seen corresponding path program 1 times [2023-12-02 15:51:59,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:51:59,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431182012] [2023-12-02 15:51:59,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:51:59,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:51:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:51:59,883 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 15:51:59,883 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:51:59,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431182012] [2023-12-02 15:51:59,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431182012] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:51:59,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007240282] [2023-12-02 15:51:59,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:51:59,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:51:59,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:51:59,892 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:51:59,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 15:52:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:52:00,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 1237 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 15:52:00,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:52:00,556 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 15:52:00,557 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:52:00,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007240282] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:52:00,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 15:52:00,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2023-12-02 15:52:00,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873366827] [2023-12-02 15:52:00,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:52:00,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 15:52:00,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:52:00,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 15:52:00,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-02 15:52:00,560 INFO L87 Difference]: Start difference. First operand 2868 states and 3852 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) [2023-12-02 15:52:04,941 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 [] [2023-12-02 15:52:05,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:52:05,566 INFO L93 Difference]: Finished difference Result 3141 states and 4196 transitions. [2023-12-02 15:52:05,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 15:52:05,569 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 [2023-12-02 15:52:05,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:52:05,584 INFO L225 Difference]: With dead ends: 3141 [2023-12-02 15:52:05,584 INFO L226 Difference]: Without dead ends: 2939 [2023-12-02 15:52:05,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-12-02 15:52:05,587 INFO L413 NwaCegarLoop]: 1080 mSDtfsCounter, 22 mSDsluCounter, 5332 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 6412 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-12-02 15:52:05,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 6412 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 950 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2023-12-02 15:52:05,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2939 states. [2023-12-02 15:52:05,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2939 to 2870. [2023-12-02 15:52:05,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2870 states, 1622 states have (on average 1.223181257706535) internal successors, (1984), 1685 states have internal predecessors, (1984), 931 states have call successors, (931), 284 states have call predecessors, (931), 281 states have return successors, (939), 917 states have call predecessors, (939), 929 states have call successors, (939) [2023-12-02 15:52:05,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2870 states to 2870 states and 3854 transitions. [2023-12-02 15:52:05,734 INFO L78 Accepts]: Start accepts. Automaton has 2870 states and 3854 transitions. Word has length 55 [2023-12-02 15:52:05,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:52:05,734 INFO L495 AbstractCegarLoop]: Abstraction has 2870 states and 3854 transitions. [2023-12-02 15:52:05,734 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) [2023-12-02 15:52:05,734 INFO L276 IsEmpty]: Start isEmpty. Operand 2870 states and 3854 transitions. [2023-12-02 15:52:05,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 15:52:05,736 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:52:05,736 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] [2023-12-02 15:52:05,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 15:52:05,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:52:05,937 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mspro_block_removeErr0ASSERT_VIOLATIONERROR_FUNCTION, mspro_block_removeErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 15:52:05,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:52:05,937 INFO L85 PathProgramCache]: Analyzing trace with hash -355567559, now seen corresponding path program 1 times [2023-12-02 15:52:05,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:52:05,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457797457] [2023-12-02 15:52:05,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:52:05,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:52:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:52:06,164 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 15:52:06,165 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:52:06,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457797457] [2023-12-02 15:52:06,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457797457] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:52:06,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:52:06,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:52:06,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728599608] [2023-12-02 15:52:06,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:52:06,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:52:06,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:52:06,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:52:06,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:52:06,168 INFO L87 Difference]: Start difference. First operand 2870 states and 3854 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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) [2023-12-02 15:52:08,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:52:08,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:52:08,662 INFO L93 Difference]: Finished difference Result 2870 states and 3854 transitions. [2023-12-02 15:52:08,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:52:08,663 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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 57 [2023-12-02 15:52:08,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:52:08,681 INFO L225 Difference]: With dead ends: 2870 [2023-12-02 15:52:08,681 INFO L226 Difference]: Without dead ends: 2868 [2023-12-02 15:52:08,683 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 [2023-12-02 15:52:08,684 INFO L413 NwaCegarLoop]: 1045 mSDtfsCounter, 1157 mSDsluCounter, 1045 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 2090 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:52:08,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1157 Valid, 2090 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 15:52:08,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2868 states. [2023-12-02 15:52:08,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2868 to 2868. [2023-12-02 15:52:08,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2868 states, 1621 states have (on average 1.2227020357803824) internal successors, (1982), 1683 states have internal predecessors, (1982), 931 states have call successors, (931), 284 states have call predecessors, (931), 281 states have return successors, (939), 917 states have call predecessors, (939), 929 states have call successors, (939) [2023-12-02 15:52:08,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2868 states to 2868 states and 3852 transitions. [2023-12-02 15:52:08,848 INFO L78 Accepts]: Start accepts. Automaton has 2868 states and 3852 transitions. Word has length 57 [2023-12-02 15:52:08,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:52:08,849 INFO L495 AbstractCegarLoop]: Abstraction has 2868 states and 3852 transitions. [2023-12-02 15:52:08,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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) [2023-12-02 15:52:08,849 INFO L276 IsEmpty]: Start isEmpty. Operand 2868 states and 3852 transitions. [2023-12-02 15:52:08,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 15:52:08,851 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:52:08,851 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] [2023-12-02 15:52:08,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 15:52:08,851 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [mspro_block_removeErr0ASSERT_VIOLATIONERROR_FUNCTION, mspro_block_removeErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 15:52:08,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:52:08,852 INFO L85 PathProgramCache]: Analyzing trace with hash 154939403, now seen corresponding path program 1 times [2023-12-02 15:52:08,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:52:08,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256325556] [2023-12-02 15:52:08,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:52:08,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:52:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:52:09,958 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 15:52:09,959 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:52:09,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256325556] [2023-12-02 15:52:09,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256325556] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:52:09,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:52:09,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 15:52:09,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555877264] [2023-12-02 15:52:09,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:52:09,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 15:52:09,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:52:09,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 15:52:09,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-02 15:52:09,962 INFO L87 Difference]: Start difference. First operand 2868 states and 3852 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) [2023-12-02 15:52:13,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:52:17,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:52:17,179 INFO L93 Difference]: Finished difference Result 3196 states and 4240 transitions. [2023-12-02 15:52:17,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 15:52:17,180 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 [2023-12-02 15:52:17,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:52:17,199 INFO L225 Difference]: With dead ends: 3196 [2023-12-02 15:52:17,199 INFO L226 Difference]: Without dead ends: 2951 [2023-12-02 15:52:17,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2023-12-02 15:52:17,203 INFO L413 NwaCegarLoop]: 1025 mSDtfsCounter, 17 mSDsluCounter, 10184 mSDsCounter, 0 mSdLazyCounter, 1721 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 11209 SdHoareTripleChecker+Invalid, 1775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-12-02 15:52:17,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 11209 Invalid, 1775 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [54 Valid, 1721 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2023-12-02 15:52:17,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2951 states. [2023-12-02 15:52:17,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2951 to 2899. [2023-12-02 15:52:17,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2899 states, 1640 states have (on average 1.2201219512195123) internal successors, (2001), 1702 states have internal predecessors, (2001), 943 states have call successors, (943), 284 states have call predecessors, (943), 281 states have return successors, (951), 929 states have call predecessors, (951), 941 states have call successors, (951) [2023-12-02 15:52:17,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 2899 states and 3895 transitions. [2023-12-02 15:52:17,384 INFO L78 Accepts]: Start accepts. Automaton has 2899 states and 3895 transitions. Word has length 59 [2023-12-02 15:52:17,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:52:17,384 INFO L495 AbstractCegarLoop]: Abstraction has 2899 states and 3895 transitions. [2023-12-02 15:52:17,384 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) [2023-12-02 15:52:17,384 INFO L276 IsEmpty]: Start isEmpty. Operand 2899 states and 3895 transitions. [2023-12-02 15:52:17,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 15:52:17,386 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:52:17,386 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] [2023-12-02 15:52:17,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 15:52:17,386 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mspro_block_removeErr0ASSERT_VIOLATIONERROR_FUNCTION, mspro_block_removeErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 15:52:17,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:52:17,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1835395461, now seen corresponding path program 1 times [2023-12-02 15:52:17,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:52:17,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403578683] [2023-12-02 15:52:17,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:52:17,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:52:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:52:17,595 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 15:52:17,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:52:17,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403578683] [2023-12-02 15:52:17,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403578683] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:52:17,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:52:17,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:52:17,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982873483] [2023-12-02 15:52:17,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:52:17,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:52:17,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:52:17,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:52:17,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:52:17,598 INFO L87 Difference]: Start difference. First operand 2899 states and 3895 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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) [2023-12-02 15:52:20,063 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 [] [2023-12-02 15:52:20,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:52:20,490 INFO L93 Difference]: Finished difference Result 2899 states and 3895 transitions. [2023-12-02 15:52:20,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:52:20,491 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 62 [2023-12-02 15:52:20,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:52:20,517 INFO L225 Difference]: With dead ends: 2899 [2023-12-02 15:52:20,517 INFO L226 Difference]: Without dead ends: 2897 [2023-12-02 15:52:20,519 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 [2023-12-02 15:52:20,520 INFO L413 NwaCegarLoop]: 1043 mSDtfsCounter, 1154 mSDsluCounter, 1043 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1154 SdHoareTripleChecker+Valid, 2086 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-02 15:52:20,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1154 Valid, 2086 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 261 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2023-12-02 15:52:20,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2897 states. [2023-12-02 15:52:20,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2897 to 2897. [2023-12-02 15:52:20,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2897 states, 1639 states have (on average 1.2196461256863942) internal successors, (1999), 1700 states have internal predecessors, (1999), 943 states have call successors, (943), 284 states have call predecessors, (943), 281 states have return successors, (951), 929 states have call predecessors, (951), 941 states have call successors, (951) [2023-12-02 15:52:20,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2897 states to 2897 states and 3893 transitions. [2023-12-02 15:52:20,803 INFO L78 Accepts]: Start accepts. Automaton has 2897 states and 3893 transitions. Word has length 62 [2023-12-02 15:52:20,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:52:20,803 INFO L495 AbstractCegarLoop]: Abstraction has 2897 states and 3893 transitions. [2023-12-02 15:52:20,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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) [2023-12-02 15:52:20,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2897 states and 3893 transitions. [2023-12-02 15:52:20,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 15:52:20,806 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:52:20,806 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:52:20,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 15:52:20,806 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mspro_block_removeErr0ASSERT_VIOLATIONERROR_FUNCTION, mspro_block_removeErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 15:52:20,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:52:20,807 INFO L85 PathProgramCache]: Analyzing trace with hash 38109427, now seen corresponding path program 1 times [2023-12-02 15:52:20,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:52:20,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564901775] [2023-12-02 15:52:20,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:52:20,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:52:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:52:21,078 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 15:52:21,078 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:52:21,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564901775] [2023-12-02 15:52:21,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564901775] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:52:21,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:52:21,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:52:21,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602244208] [2023-12-02 15:52:21,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:52:21,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:52:21,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:52:21,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:52:21,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:52:21,082 INFO L87 Difference]: Start difference. First operand 2897 states and 3893 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2023-12-02 15:52:22,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:52:22,321 INFO L93 Difference]: Finished difference Result 2897 states and 3893 transitions. [2023-12-02 15:52:22,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:52:22,323 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 67 [2023-12-02 15:52:22,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:52:22,340 INFO L225 Difference]: With dead ends: 2897 [2023-12-02 15:52:22,340 INFO L226 Difference]: Without dead ends: 2895 [2023-12-02 15:52:22,341 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 [2023-12-02 15:52:22,342 INFO L413 NwaCegarLoop]: 1041 mSDtfsCounter, 1151 mSDsluCounter, 1041 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1151 SdHoareTripleChecker+Valid, 2082 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:52:22,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1151 Valid, 2082 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-02 15:52:22,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2895 states. [2023-12-02 15:52:22,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2895 to 2895. [2023-12-02 15:52:22,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2895 states, 1638 states have (on average 1.2191697191697193) internal successors, (1997), 1698 states have internal predecessors, (1997), 943 states have call successors, (943), 284 states have call predecessors, (943), 281 states have return successors, (951), 929 states have call predecessors, (951), 941 states have call successors, (951) [2023-12-02 15:52:22,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 2895 states and 3891 transitions. [2023-12-02 15:52:22,628 INFO L78 Accepts]: Start accepts. Automaton has 2895 states and 3891 transitions. Word has length 67 [2023-12-02 15:52:22,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:52:22,629 INFO L495 AbstractCegarLoop]: Abstraction has 2895 states and 3891 transitions. [2023-12-02 15:52:22,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2023-12-02 15:52:22,629 INFO L276 IsEmpty]: Start isEmpty. Operand 2895 states and 3891 transitions. [2023-12-02 15:52:22,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 15:52:22,631 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:52:22,631 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] [2023-12-02 15:52:22,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-02 15:52:22,631 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mspro_block_removeErr0ASSERT_VIOLATIONERROR_FUNCTION, mspro_block_removeErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 15:52:22,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:52:22,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1829701016, now seen corresponding path program 1 times [2023-12-02 15:52:22,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:52:22,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072967113] [2023-12-02 15:52:22,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:52:22,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:52:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:52:22,834 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 15:52:22,834 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:52:22,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072967113] [2023-12-02 15:52:22,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072967113] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:52:22,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:52:22,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:52:22,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003709011] [2023-12-02 15:52:22,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:52:22,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:52:22,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:52:22,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:52:22,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:52:22,836 INFO L87 Difference]: Start difference. First operand 2895 states and 3891 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2023-12-02 15:52:24,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:52:24,177 INFO L93 Difference]: Finished difference Result 3689 states and 4907 transitions. [2023-12-02 15:52:24,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 15:52:24,178 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 72 [2023-12-02 15:52:24,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:52:24,202 INFO L225 Difference]: With dead ends: 3689 [2023-12-02 15:52:24,202 INFO L226 Difference]: Without dead ends: 3687 [2023-12-02 15:52:24,204 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 [2023-12-02 15:52:24,205 INFO L413 NwaCegarLoop]: 1097 mSDtfsCounter, 1018 mSDsluCounter, 2095 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1018 SdHoareTripleChecker+Valid, 3192 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:52:24,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1018 Valid, 3192 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-02 15:52:24,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3687 states. [2023-12-02 15:52:24,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3687 to 3546. [2023-12-02 15:52:24,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3546 states, 2005 states have (on average 1.2179551122194514) internal successors, (2442), 2073 states have internal predecessors, (2442), 1156 states have call successors, (1156), 356 states have call predecessors, (1156), 352 states have return successors, (1165), 1137 states have call predecessors, (1165), 1154 states have call successors, (1165) [2023-12-02 15:52:24,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3546 states to 3546 states and 4763 transitions. [2023-12-02 15:52:24,490 INFO L78 Accepts]: Start accepts. Automaton has 3546 states and 4763 transitions. Word has length 72 [2023-12-02 15:52:24,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:52:24,490 INFO L495 AbstractCegarLoop]: Abstraction has 3546 states and 4763 transitions. [2023-12-02 15:52:24,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2023-12-02 15:52:24,491 INFO L276 IsEmpty]: Start isEmpty. Operand 3546 states and 4763 transitions. [2023-12-02 15:52:24,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 15:52:24,492 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:52:24,492 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] [2023-12-02 15:52:24,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-02 15:52:24,492 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mspro_block_removeErr0ASSERT_VIOLATIONERROR_FUNCTION, mspro_block_removeErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 15:52:24,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:52:24,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1578226422, now seen corresponding path program 1 times [2023-12-02 15:52:24,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:52:24,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294860870] [2023-12-02 15:52:24,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:52:24,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:52:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:52:24,717 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 15:52:24,718 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:52:24,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294860870] [2023-12-02 15:52:24,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294860870] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:52:24,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:52:24,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:52:24,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871511358] [2023-12-02 15:52:24,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:52:24,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:52:24,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:52:24,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:52:24,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:52:24,720 INFO L87 Difference]: Start difference. First operand 3546 states and 4763 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, (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) [2023-12-02 15:52:25,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:52:25,638 INFO L93 Difference]: Finished difference Result 3546 states and 4763 transitions. [2023-12-02 15:52:25,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:52:25,639 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, (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 77 [2023-12-02 15:52:25,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:52:25,659 INFO L225 Difference]: With dead ends: 3546 [2023-12-02 15:52:25,659 INFO L226 Difference]: Without dead ends: 3544 [2023-12-02 15:52:25,660 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 [2023-12-02 15:52:25,660 INFO L413 NwaCegarLoop]: 1039 mSDtfsCounter, 1147 mSDsluCounter, 1038 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1147 SdHoareTripleChecker+Valid, 2077 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-02 15:52:25,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1147 Valid, 2077 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-02 15:52:25,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3544 states. [2023-12-02 15:52:25,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3544 to 3544. [2023-12-02 15:52:25,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3544 states, 2004 states have (on average 1.217564870259481) internal successors, (2440), 2071 states have internal predecessors, (2440), 1156 states have call successors, (1156), 356 states have call predecessors, (1156), 352 states have return successors, (1165), 1137 states have call predecessors, (1165), 1154 states have call successors, (1165) [2023-12-02 15:52:25,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 3544 states and 4761 transitions. [2023-12-02 15:52:25,960 INFO L78 Accepts]: Start accepts. Automaton has 3544 states and 4761 transitions. Word has length 77 [2023-12-02 15:52:25,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:52:25,961 INFO L495 AbstractCegarLoop]: Abstraction has 3544 states and 4761 transitions. [2023-12-02 15:52:25,961 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, (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) [2023-12-02 15:52:25,961 INFO L276 IsEmpty]: Start isEmpty. Operand 3544 states and 4761 transitions. [2023-12-02 15:52:25,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-02 15:52:25,962 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:52:25,963 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] [2023-12-02 15:52:25,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-02 15:52:25,963 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [mspro_block_removeErr0ASSERT_VIOLATIONERROR_FUNCTION, mspro_block_removeErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 15:52:25,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:52:25,963 INFO L85 PathProgramCache]: Analyzing trace with hash -551986771, now seen corresponding path program 1 times [2023-12-02 15:52:25,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:52:25,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147800479] [2023-12-02 15:52:25,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:52:25,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:52:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:52:26,221 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 15:52:26,222 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:52:26,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147800479] [2023-12-02 15:52:26,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147800479] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:52:26,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:52:26,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:52:26,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176156471] [2023-12-02 15:52:26,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:52:26,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:52:26,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:52:26,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:52:26,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:52:26,224 INFO L87 Difference]: Start difference. First operand 3544 states and 4761 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2023-12-02 15:52:27,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:52:27,458 INFO L93 Difference]: Finished difference Result 3544 states and 4761 transitions. [2023-12-02 15:52:27,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:52:27,472 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 79 [2023-12-02 15:52:27,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:52:27,486 INFO L225 Difference]: With dead ends: 3544 [2023-12-02 15:52:27,487 INFO L226 Difference]: Without dead ends: 3542 [2023-12-02 15:52:27,488 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 [2023-12-02 15:52:27,489 INFO L413 NwaCegarLoop]: 1037 mSDtfsCounter, 1143 mSDsluCounter, 1037 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1143 SdHoareTripleChecker+Valid, 2074 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-02 15:52:27,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1143 Valid, 2074 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-02 15:52:27,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3542 states. [2023-12-02 15:52:27,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3542 to 3542. [2023-12-02 15:52:27,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3542 states, 2003 states have (on average 1.217174238642037) internal successors, (2438), 2069 states have internal predecessors, (2438), 1156 states have call successors, (1156), 356 states have call predecessors, (1156), 352 states have return successors, (1165), 1137 states have call predecessors, (1165), 1154 states have call successors, (1165) [2023-12-02 15:52:27,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3542 states to 3542 states and 4759 transitions. [2023-12-02 15:52:27,735 INFO L78 Accepts]: Start accepts. Automaton has 3542 states and 4759 transitions. Word has length 79 [2023-12-02 15:52:27,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:52:27,736 INFO L495 AbstractCegarLoop]: Abstraction has 3542 states and 4759 transitions. [2023-12-02 15:52:27,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2023-12-02 15:52:27,736 INFO L276 IsEmpty]: Start isEmpty. Operand 3542 states and 4759 transitions. [2023-12-02 15:52:27,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 15:52:27,737 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:52:27,737 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] [2023-12-02 15:52:27,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-02 15:52:27,738 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mspro_block_removeErr0ASSERT_VIOLATIONERROR_FUNCTION, mspro_block_removeErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 15:52:27,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:52:27,738 INFO L85 PathProgramCache]: Analyzing trace with hash -403498212, now seen corresponding path program 1 times [2023-12-02 15:52:27,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:52:27,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892043765] [2023-12-02 15:52:27,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:52:27,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:52:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:52:27,973 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 15:52:27,974 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:52:27,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892043765] [2023-12-02 15:52:27,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892043765] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:52:27,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:52:27,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:52:27,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940231624] [2023-12-02 15:52:27,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:52:27,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:52:27,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:52:27,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:52:27,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:52:27,976 INFO L87 Difference]: Start difference. First operand 3542 states and 4759 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2023-12-02 15:52:29,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:52:29,003 INFO L93 Difference]: Finished difference Result 3542 states and 4759 transitions. [2023-12-02 15:52:29,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:52:29,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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 84 [2023-12-02 15:52:29,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:52:29,015 INFO L225 Difference]: With dead ends: 3542 [2023-12-02 15:52:29,015 INFO L226 Difference]: Without dead ends: 3540 [2023-12-02 15:52:29,016 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 [2023-12-02 15:52:29,016 INFO L413 NwaCegarLoop]: 1035 mSDtfsCounter, 1142 mSDsluCounter, 1035 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1142 SdHoareTripleChecker+Valid, 2070 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:52:29,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1142 Valid, 2070 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-02 15:52:29,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3540 states. [2023-12-02 15:52:29,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3540 to 3540. [2023-12-02 15:52:29,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3540 states, 2002 states have (on average 1.2167832167832169) internal successors, (2436), 2067 states have internal predecessors, (2436), 1156 states have call successors, (1156), 356 states have call predecessors, (1156), 352 states have return successors, (1165), 1137 states have call predecessors, (1165), 1154 states have call successors, (1165) [2023-12-02 15:52:29,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3540 states to 3540 states and 4757 transitions. [2023-12-02 15:52:29,296 INFO L78 Accepts]: Start accepts. Automaton has 3540 states and 4757 transitions. Word has length 84 [2023-12-02 15:52:29,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:52:29,297 INFO L495 AbstractCegarLoop]: Abstraction has 3540 states and 4757 transitions. [2023-12-02 15:52:29,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2023-12-02 15:52:29,297 INFO L276 IsEmpty]: Start isEmpty. Operand 3540 states and 4757 transitions. [2023-12-02 15:52:29,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-02 15:52:29,298 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:52:29,299 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] [2023-12-02 15:52:29,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-02 15:52:29,299 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mspro_block_removeErr0ASSERT_VIOLATIONERROR_FUNCTION, mspro_block_removeErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 15:52:29,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:52:29,300 INFO L85 PathProgramCache]: Analyzing trace with hash -816873268, now seen corresponding path program 1 times [2023-12-02 15:52:29,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:52:29,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309727814] [2023-12-02 15:52:29,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:52:29,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:52:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:52:29,477 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 15:52:29,477 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:52:29,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309727814] [2023-12-02 15:52:29,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309727814] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:52:29,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:52:29,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:52:29,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827332173] [2023-12-02 15:52:29,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:52:29,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:52:29,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:52:29,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:52:29,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:52:29,479 INFO L87 Difference]: Start difference. First operand 3540 states and 4757 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2023-12-02 15:52:31,893 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 [] [2023-12-02 15:52:32,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:52:32,305 INFO L93 Difference]: Finished difference Result 3540 states and 4757 transitions. [2023-12-02 15:52:32,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:52:32,306 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 89 [2023-12-02 15:52:32,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:52:32,315 INFO L225 Difference]: With dead ends: 3540 [2023-12-02 15:52:32,315 INFO L226 Difference]: Without dead ends: 3538 [2023-12-02 15:52:32,317 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 [2023-12-02 15:52:32,318 INFO L413 NwaCegarLoop]: 1033 mSDtfsCounter, 1139 mSDsluCounter, 1033 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1139 SdHoareTripleChecker+Valid, 2066 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-02 15:52:32,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1139 Valid, 2066 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 261 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2023-12-02 15:52:32,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3538 states. [2023-12-02 15:52:32,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3538 to 3538. [2023-12-02 15:52:32,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3538 states, 2001 states have (on average 1.2163918040979511) internal successors, (2434), 2065 states have internal predecessors, (2434), 1156 states have call successors, (1156), 356 states have call predecessors, (1156), 352 states have return successors, (1165), 1137 states have call predecessors, (1165), 1154 states have call successors, (1165) [2023-12-02 15:52:32,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3538 states to 3538 states and 4755 transitions. [2023-12-02 15:52:32,593 INFO L78 Accepts]: Start accepts. Automaton has 3538 states and 4755 transitions. Word has length 89 [2023-12-02 15:52:32,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:52:32,593 INFO L495 AbstractCegarLoop]: Abstraction has 3538 states and 4755 transitions. [2023-12-02 15:52:32,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2023-12-02 15:52:32,594 INFO L276 IsEmpty]: Start isEmpty. Operand 3538 states and 4755 transitions. [2023-12-02 15:52:32,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-02 15:52:32,595 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:52:32,596 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] [2023-12-02 15:52:32,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-02 15:52:32,596 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mspro_block_removeErr0ASSERT_VIOLATIONERROR_FUNCTION, mspro_block_removeErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 15:52:32,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:52:32,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1614253835, now seen corresponding path program 1 times [2023-12-02 15:52:32,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:52:32,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186145078] [2023-12-02 15:52:32,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:52:32,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:52:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:52:33,125 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2023-12-02 15:52:33,125 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:52:33,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186145078] [2023-12-02 15:52:33,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186145078] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:52:33,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:52:33,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 15:52:33,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107019818] [2023-12-02 15:52:33,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:52:33,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 15:52:33,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:52:33,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 15:52:33,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:52:33,127 INFO L87 Difference]: Start difference. First operand 3538 states and 4755 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) [2023-12-02 15:52:34,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:52:34,566 INFO L93 Difference]: Finished difference Result 3674 states and 4879 transitions. [2023-12-02 15:52:34,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:52:34,567 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 [2023-12-02 15:52:34,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:52:34,578 INFO L225 Difference]: With dead ends: 3674 [2023-12-02 15:52:34,578 INFO L226 Difference]: Without dead ends: 3672 [2023-12-02 15:52:34,580 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 [2023-12-02 15:52:34,580 INFO L413 NwaCegarLoop]: 1055 mSDtfsCounter, 1089 mSDsluCounter, 2193 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1091 SdHoareTripleChecker+Valid, 3248 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:52:34,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1091 Valid, 3248 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-02 15:52:34,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3672 states. [2023-12-02 15:52:34,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3672 to 3664. [2023-12-02 15:52:34,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3664 states, 2088 states have (on average 1.2164750957854407) internal successors, (2540), 2153 states have internal predecessors, (2540), 1160 states have call successors, (1160), 390 states have call predecessors, (1160), 387 states have return successors, (1169), 1141 states have call predecessors, (1169), 1158 states have call successors, (1169) [2023-12-02 15:52:34,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3664 states to 3664 states and 4869 transitions. [2023-12-02 15:52:34,948 INFO L78 Accepts]: Start accepts. Automaton has 3664 states and 4869 transitions. Word has length 119 [2023-12-02 15:52:34,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:52:34,949 INFO L495 AbstractCegarLoop]: Abstraction has 3664 states and 4869 transitions. [2023-12-02 15:52:34,949 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) [2023-12-02 15:52:34,949 INFO L276 IsEmpty]: Start isEmpty. Operand 3664 states and 4869 transitions. [2023-12-02 15:52:34,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-02 15:52:34,951 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:52:34,951 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] [2023-12-02 15:52:34,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-02 15:52:34,951 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mspro_block_removeErr0ASSERT_VIOLATIONERROR_FUNCTION, mspro_block_removeErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 15:52:34,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:52:34,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1375692632, now seen corresponding path program 1 times [2023-12-02 15:52:34,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:52:34,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665839896] [2023-12-02 15:52:34,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:52:34,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:52:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:52:35,244 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 15:52:35,245 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:52:35,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665839896] [2023-12-02 15:52:35,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665839896] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:52:35,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:52:35,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:52:35,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061957411] [2023-12-02 15:52:35,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:52:35,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:52:35,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:52:35,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:52:35,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:52:35,247 INFO L87 Difference]: Start difference. First operand 3664 states and 4869 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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) [2023-12-02 15:52:36,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:52:36,434 INFO L93 Difference]: Finished difference Result 3664 states and 4869 transitions. [2023-12-02 15:52:36,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:52:36,435 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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 94 [2023-12-02 15:52:36,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:52:36,445 INFO L225 Difference]: With dead ends: 3664 [2023-12-02 15:52:36,446 INFO L226 Difference]: Without dead ends: 3662 [2023-12-02 15:52:36,447 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 [2023-12-02 15:52:36,448 INFO L413 NwaCegarLoop]: 1031 mSDtfsCounter, 1136 mSDsluCounter, 1031 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1136 SdHoareTripleChecker+Valid, 2062 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:52:36,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1136 Valid, 2062 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-02 15:52:36,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3662 states. [2023-12-02 15:52:36,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3662 to 3662. [2023-12-02 15:52:36,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3662 states, 2087 states have (on average 1.216099664590321) internal successors, (2538), 2151 states have internal predecessors, (2538), 1160 states have call successors, (1160), 390 states have call predecessors, (1160), 387 states have return successors, (1169), 1141 states have call predecessors, (1169), 1158 states have call successors, (1169) [2023-12-02 15:52:36,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3662 states to 3662 states and 4867 transitions. [2023-12-02 15:52:36,748 INFO L78 Accepts]: Start accepts. Automaton has 3662 states and 4867 transitions. Word has length 94 [2023-12-02 15:52:36,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:52:36,749 INFO L495 AbstractCegarLoop]: Abstraction has 3662 states and 4867 transitions. [2023-12-02 15:52:36,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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) [2023-12-02 15:52:36,749 INFO L276 IsEmpty]: Start isEmpty. Operand 3662 states and 4867 transitions. [2023-12-02 15:52:36,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-02 15:52:36,750 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:52:36,750 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] [2023-12-02 15:52:36,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-02 15:52:36,750 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [mspro_block_removeErr0ASSERT_VIOLATIONERROR_FUNCTION, mspro_block_removeErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 15:52:36,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:52:36,750 INFO L85 PathProgramCache]: Analyzing trace with hash 561054552, now seen corresponding path program 1 times [2023-12-02 15:52:36,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:52:36,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036482383] [2023-12-02 15:52:36,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:52:36,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:52:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:52:37,362 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2023-12-02 15:52:37,362 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:52:37,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036482383] [2023-12-02 15:52:37,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036482383] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:52:37,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:52:37,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 15:52:37,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115459053] [2023-12-02 15:52:37,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:52:37,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 15:52:37,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:52:37,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 15:52:37,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 15:52:37,365 INFO L87 Difference]: Start difference. First operand 3662 states and 4867 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) [2023-12-02 15:52:40,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:52:40,187 INFO L93 Difference]: Finished difference Result 3662 states and 4867 transitions. [2023-12-02 15:52:40,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:52:40,187 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 [2023-12-02 15:52:40,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:52:40,197 INFO L225 Difference]: With dead ends: 3662 [2023-12-02 15:52:40,197 INFO L226 Difference]: Without dead ends: 3660 [2023-12-02 15:52:40,198 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 [2023-12-02 15:52:40,198 INFO L413 NwaCegarLoop]: 1030 mSDtfsCounter, 1131 mSDsluCounter, 2530 mSDsCounter, 0 mSdLazyCounter, 1080 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1132 SdHoareTripleChecker+Valid, 3560 SdHoareTripleChecker+Invalid, 1080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:52:40,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1132 Valid, 3560 Invalid, 1080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1080 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 15:52:40,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3660 states. [2023-12-02 15:52:40,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3660 to 3660. [2023-12-02 15:52:40,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3660 states, 2086 states have (on average 1.2138063279002875) internal successors, (2532), 2149 states have internal predecessors, (2532), 1160 states have call successors, (1160), 390 states have call predecessors, (1160), 387 states have return successors, (1169), 1141 states have call predecessors, (1169), 1158 states have call successors, (1169) [2023-12-02 15:52:40,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3660 states to 3660 states and 4861 transitions. [2023-12-02 15:52:40,501 INFO L78 Accepts]: Start accepts. Automaton has 3660 states and 4861 transitions. Word has length 123 [2023-12-02 15:52:40,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:52:40,502 INFO L495 AbstractCegarLoop]: Abstraction has 3660 states and 4861 transitions. [2023-12-02 15:52:40,502 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) [2023-12-02 15:52:40,502 INFO L276 IsEmpty]: Start isEmpty. Operand 3660 states and 4861 transitions. [2023-12-02 15:52:40,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-12-02 15:52:40,503 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:52:40,503 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] [2023-12-02 15:52:40,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-02 15:52:40,504 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [mspro_block_removeErr0ASSERT_VIOLATIONERROR_FUNCTION, mspro_block_removeErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 15:52:40,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:52:40,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1577947507, now seen corresponding path program 1 times [2023-12-02 15:52:40,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:52:40,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398510408] [2023-12-02 15:52:40,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:52:40,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:52:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:52:40,787 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2023-12-02 15:52:40,788 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:52:40,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398510408] [2023-12-02 15:52:40,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398510408] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:52:40,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:52:40,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:52:40,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174702647] [2023-12-02 15:52:40,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:52:40,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:52:40,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:52:40,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:52:40,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:52:40,790 INFO L87 Difference]: Start difference. First operand 3660 states and 4861 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) [2023-12-02 15:52:42,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:52:42,062 INFO L93 Difference]: Finished difference Result 7274 states and 9716 transitions. [2023-12-02 15:52:42,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:52:42,063 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 [2023-12-02 15:52:42,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:52:42,086 INFO L225 Difference]: With dead ends: 7274 [2023-12-02 15:52:42,087 INFO L226 Difference]: Without dead ends: 3648 [2023-12-02 15:52:42,108 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 [2023-12-02 15:52:42,109 INFO L413 NwaCegarLoop]: 1025 mSDtfsCounter, 1122 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1122 SdHoareTripleChecker+Valid, 1025 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:52:42,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1122 Valid, 1025 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-02 15:52:42,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3648 states. [2023-12-02 15:52:42,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3648 to 3648. [2023-12-02 15:52:42,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3648 states, 2075 states have (on average 1.210120481927711) internal successors, (2511), 2137 states have internal predecessors, (2511), 1160 states have call successors, (1160), 390 states have call predecessors, (1160), 387 states have return successors, (1169), 1141 states have call predecessors, (1169), 1158 states have call successors, (1169) [2023-12-02 15:52:42,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3648 states to 3648 states and 4840 transitions. [2023-12-02 15:52:42,517 INFO L78 Accepts]: Start accepts. Automaton has 3648 states and 4840 transitions. Word has length 126 [2023-12-02 15:52:42,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:52:42,518 INFO L495 AbstractCegarLoop]: Abstraction has 3648 states and 4840 transitions. [2023-12-02 15:52:42,518 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) [2023-12-02 15:52:42,519 INFO L276 IsEmpty]: Start isEmpty. Operand 3648 states and 4840 transitions. [2023-12-02 15:52:42,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 15:52:42,520 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:52:42,520 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] [2023-12-02 15:52:42,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-02 15:52:42,521 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mspro_block_removeErr0ASSERT_VIOLATIONERROR_FUNCTION, mspro_block_removeErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 15:52:42,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:52:42,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1791385272, now seen corresponding path program 1 times [2023-12-02 15:52:42,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:52:42,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634460860] [2023-12-02 15:52:42,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:52:42,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:52:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:52:42,698 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 15:52:42,698 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:52:42,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634460860] [2023-12-02 15:52:42,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634460860] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:52:42,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:52:42,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:52:42,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276130168] [2023-12-02 15:52:42,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:52:42,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:52:42,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:52:42,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:52:42,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:52:42,701 INFO L87 Difference]: Start difference. First operand 3648 states and 4840 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2023-12-02 15:52:43,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:52:43,907 INFO L93 Difference]: Finished difference Result 3648 states and 4840 transitions. [2023-12-02 15:52:43,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:52:43,908 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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 99 [2023-12-02 15:52:43,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:52:43,917 INFO L225 Difference]: With dead ends: 3648 [2023-12-02 15:52:43,917 INFO L226 Difference]: Without dead ends: 3646 [2023-12-02 15:52:43,919 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 [2023-12-02 15:52:43,920 INFO L413 NwaCegarLoop]: 1022 mSDtfsCounter, 1126 mSDsluCounter, 1022 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1126 SdHoareTripleChecker+Valid, 2044 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:52:43,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1126 Valid, 2044 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-02 15:52:43,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3646 states. [2023-12-02 15:52:44,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3646 to 3646. [2023-12-02 15:52:44,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3646 states, 2074 states have (on average 1.2097396335583415) internal successors, (2509), 2135 states have internal predecessors, (2509), 1160 states have call successors, (1160), 390 states have call predecessors, (1160), 387 states have return successors, (1169), 1141 states have call predecessors, (1169), 1158 states have call successors, (1169) [2023-12-02 15:52:44,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3646 states to 3646 states and 4838 transitions. [2023-12-02 15:52:44,328 INFO L78 Accepts]: Start accepts. Automaton has 3646 states and 4838 transitions. Word has length 99 [2023-12-02 15:52:44,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:52:44,328 INFO L495 AbstractCegarLoop]: Abstraction has 3646 states and 4838 transitions. [2023-12-02 15:52:44,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2023-12-02 15:52:44,328 INFO L276 IsEmpty]: Start isEmpty. Operand 3646 states and 4838 transitions. [2023-12-02 15:52:44,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-02 15:52:44,329 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:52:44,330 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] [2023-12-02 15:52:44,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-02 15:52:44,330 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mspro_block_removeErr0ASSERT_VIOLATIONERROR_FUNCTION, mspro_block_removeErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 15:52:44,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:52:44,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1575223519, now seen corresponding path program 1 times [2023-12-02 15:52:44,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:52:44,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496564116] [2023-12-02 15:52:44,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:52:44,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:52:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:52:44,862 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2023-12-02 15:52:44,862 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:52:44,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496564116] [2023-12-02 15:52:44,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496564116] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:52:44,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:52:44,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 15:52:44,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721517792] [2023-12-02 15:52:44,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:52:44,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 15:52:44,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:52:44,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 15:52:44,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:52:44,865 INFO L87 Difference]: Start difference. First operand 3646 states and 4838 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) [2023-12-02 15:52:46,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:52:47,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:52:47,975 INFO L93 Difference]: Finished difference Result 3654 states and 4842 transitions. [2023-12-02 15:52:47,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 15:52:47,976 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 [2023-12-02 15:52:47,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:52:47,985 INFO L225 Difference]: With dead ends: 3654 [2023-12-02 15:52:47,986 INFO L226 Difference]: Without dead ends: 3652 [2023-12-02 15:52:47,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 15:52:47,988 INFO L413 NwaCegarLoop]: 1038 mSDtfsCounter, 97 mSDsluCounter, 3048 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 4086 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-02 15:52:47,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 4086 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-02 15:52:47,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3652 states. [2023-12-02 15:52:48,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3652 to 3646. [2023-12-02 15:52:48,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3646 states, 2074 states have (on average 1.2073288331726133) internal successors, (2504), 2135 states have internal predecessors, (2504), 1160 states have call successors, (1160), 390 states have call predecessors, (1160), 387 states have return successors, (1169), 1141 states have call predecessors, (1169), 1158 states have call successors, (1169) [2023-12-02 15:52:48,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3646 states to 3646 states and 4833 transitions. [2023-12-02 15:52:48,401 INFO L78 Accepts]: Start accepts. Automaton has 3646 states and 4833 transitions. Word has length 129 [2023-12-02 15:52:48,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:52:48,402 INFO L495 AbstractCegarLoop]: Abstraction has 3646 states and 4833 transitions. [2023-12-02 15:52:48,402 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) [2023-12-02 15:52:48,402 INFO L276 IsEmpty]: Start isEmpty. Operand 3646 states and 4833 transitions. [2023-12-02 15:52:48,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-02 15:52:48,403 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:52:48,403 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] [2023-12-02 15:52:48,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-02 15:52:48,404 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mspro_block_removeErr0ASSERT_VIOLATIONERROR_FUNCTION, mspro_block_removeErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 15:52:48,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:52:48,404 INFO L85 PathProgramCache]: Analyzing trace with hash 805157483, now seen corresponding path program 1 times [2023-12-02 15:52:48,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:52:48,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041516418] [2023-12-02 15:52:48,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:52:48,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:52:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:52:48,672 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 15:52:48,672 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:52:48,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041516418] [2023-12-02 15:52:48,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041516418] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:52:48,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:52:48,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:52:48,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441397868] [2023-12-02 15:52:48,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:52:48,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:52:48,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:52:48,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:52:48,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:52:48,675 INFO L87 Difference]: Start difference. First operand 3646 states and 4833 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2023-12-02 15:52:50,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:52:50,021 INFO L93 Difference]: Finished difference Result 3646 states and 4833 transitions. [2023-12-02 15:52:50,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:52:50,022 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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 104 [2023-12-02 15:52:50,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:52:50,035 INFO L225 Difference]: With dead ends: 3646 [2023-12-02 15:52:50,035 INFO L226 Difference]: Without dead ends: 3644 [2023-12-02 15:52:50,037 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 [2023-12-02 15:52:50,038 INFO L413 NwaCegarLoop]: 1020 mSDtfsCounter, 1123 mSDsluCounter, 1020 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1123 SdHoareTripleChecker+Valid, 2040 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-02 15:52:50,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1123 Valid, 2040 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-02 15:52:50,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3644 states. [2023-12-02 15:52:50,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3644 to 3644. [2023-12-02 15:52:50,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3644 states, 2073 states have (on average 1.2069464544138928) internal successors, (2502), 2133 states have internal predecessors, (2502), 1160 states have call successors, (1160), 390 states have call predecessors, (1160), 387 states have return successors, (1169), 1141 states have call predecessors, (1169), 1158 states have call successors, (1169) [2023-12-02 15:52:50,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3644 states to 3644 states and 4831 transitions. [2023-12-02 15:52:50,465 INFO L78 Accepts]: Start accepts. Automaton has 3644 states and 4831 transitions. Word has length 104 [2023-12-02 15:52:50,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:52:50,465 INFO L495 AbstractCegarLoop]: Abstraction has 3644 states and 4831 transitions. [2023-12-02 15:52:50,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2023-12-02 15:52:50,465 INFO L276 IsEmpty]: Start isEmpty. Operand 3644 states and 4831 transitions. [2023-12-02 15:52:50,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-02 15:52:50,467 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:52:50,467 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] [2023-12-02 15:52:50,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-02 15:52:50,467 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mspro_block_removeErr0ASSERT_VIOLATIONERROR_FUNCTION, mspro_block_removeErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 15:52:50,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:52:50,467 INFO L85 PathProgramCache]: Analyzing trace with hash 262567398, now seen corresponding path program 1 times [2023-12-02 15:52:50,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:52:50,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070483038] [2023-12-02 15:52:50,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:52:50,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:52:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:52:50,675 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 15:52:50,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:52:50,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070483038] [2023-12-02 15:52:50,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070483038] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:52:50,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:52:50,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:52:50,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120711748] [2023-12-02 15:52:50,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:52:50,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:52:50,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:52:50,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:52:50,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:52:50,677 INFO L87 Difference]: Start difference. First operand 3644 states and 4831 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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) [2023-12-02 15:52:53,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:52:53,046 INFO L93 Difference]: Finished difference Result 5764 states and 7604 transitions. [2023-12-02 15:52:53,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 15:52:53,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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 109 [2023-12-02 15:52:53,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:52:53,064 INFO L225 Difference]: With dead ends: 5764 [2023-12-02 15:52:53,064 INFO L226 Difference]: Without dead ends: 5762 [2023-12-02 15:52:53,066 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 [2023-12-02 15:52:53,067 INFO L413 NwaCegarLoop]: 1033 mSDtfsCounter, 1035 mSDsluCounter, 1958 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1035 SdHoareTripleChecker+Valid, 2991 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-02 15:52:53,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1035 Valid, 2991 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-02 15:52:53,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5762 states. [2023-12-02 15:52:53,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5762 to 5632. [2023-12-02 15:52:53,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5632 states, 3217 states have (on average 1.20578178427106) internal successors, (3879), 3301 states have internal predecessors, (3879), 1786 states have call successors, (1786), 610 states have call predecessors, (1786), 605 states have return successors, (1807), 1753 states have call predecessors, (1807), 1784 states have call successors, (1807) [2023-12-02 15:52:53,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5632 states to 5632 states and 7472 transitions. [2023-12-02 15:52:53,731 INFO L78 Accepts]: Start accepts. Automaton has 5632 states and 7472 transitions. Word has length 109 [2023-12-02 15:52:53,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:52:53,731 INFO L495 AbstractCegarLoop]: Abstraction has 5632 states and 7472 transitions. [2023-12-02 15:52:53,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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) [2023-12-02 15:52:53,732 INFO L276 IsEmpty]: Start isEmpty. Operand 5632 states and 7472 transitions. [2023-12-02 15:52:53,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-02 15:52:53,733 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:52:53,733 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] [2023-12-02 15:52:53,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-02 15:52:53,733 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mspro_block_removeErr0ASSERT_VIOLATIONERROR_FUNCTION, mspro_block_removeErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 15:52:53,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:52:53,734 INFO L85 PathProgramCache]: Analyzing trace with hash -549451705, now seen corresponding path program 1 times [2023-12-02 15:52:53,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:52:53,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651961538] [2023-12-02 15:52:53,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:52:53,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:52:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:52:54,160 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 15:52:54,160 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:52:54,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651961538] [2023-12-02 15:52:54,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651961538] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:52:54,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:52:54,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:52:54,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272794885] [2023-12-02 15:52:54,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:52:54,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:52:54,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:52:54,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:52:54,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:52:54,163 INFO L87 Difference]: Start difference. First operand 5632 states and 7472 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2023-12-02 15:52:56,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:52:57,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:52:57,128 INFO L93 Difference]: Finished difference Result 5632 states and 7472 transitions. [2023-12-02 15:52:57,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:52:57,130 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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 114 [2023-12-02 15:52:57,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:52:57,142 INFO L225 Difference]: With dead ends: 5632 [2023-12-02 15:52:57,142 INFO L226 Difference]: Without dead ends: 5630 [2023-12-02 15:52:57,144 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 [2023-12-02 15:52:57,144 INFO L413 NwaCegarLoop]: 1018 mSDtfsCounter, 1119 mSDsluCounter, 1018 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1119 SdHoareTripleChecker+Valid, 2036 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:52:57,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1119 Valid, 2036 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 15:52:57,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5630 states. [2023-12-02 15:52:57,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5630 to 5630. [2023-12-02 15:52:57,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5630 states, 3216 states have (on average 1.205223880597015) internal successors, (3876), 3299 states have internal predecessors, (3876), 1786 states have call successors, (1786), 610 states have call predecessors, (1786), 605 states have return successors, (1807), 1753 states have call predecessors, (1807), 1784 states have call successors, (1807) [2023-12-02 15:52:57,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5630 states to 5630 states and 7469 transitions. [2023-12-02 15:52:57,879 INFO L78 Accepts]: Start accepts. Automaton has 5630 states and 7469 transitions. Word has length 114 [2023-12-02 15:52:57,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:52:57,880 INFO L495 AbstractCegarLoop]: Abstraction has 5630 states and 7469 transitions. [2023-12-02 15:52:57,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2023-12-02 15:52:57,880 INFO L276 IsEmpty]: Start isEmpty. Operand 5630 states and 7469 transitions. [2023-12-02 15:52:57,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-02 15:52:57,881 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:52:57,881 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] [2023-12-02 15:52:57,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-02 15:52:57,882 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mspro_block_removeErr0ASSERT_VIOLATIONERROR_FUNCTION, mspro_block_removeErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 15:52:57,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:52:57,882 INFO L85 PathProgramCache]: Analyzing trace with hash -446602395, now seen corresponding path program 1 times [2023-12-02 15:52:57,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:52:57,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122087701] [2023-12-02 15:52:57,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:52:57,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:52:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:52:58,089 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 15:52:58,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:52:58,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122087701] [2023-12-02 15:52:58,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122087701] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:52:58,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:52:58,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:52:58,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793496014] [2023-12-02 15:52:58,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:52:58,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:52:58,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:52:58,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:52:58,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:52:58,092 INFO L87 Difference]: Start difference. First operand 5630 states and 7469 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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) [2023-12-02 15:52:59,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:52:59,995 INFO L93 Difference]: Finished difference Result 5630 states and 7469 transitions. [2023-12-02 15:52:59,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:52:59,997 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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 119 [2023-12-02 15:52:59,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:53:00,010 INFO L225 Difference]: With dead ends: 5630 [2023-12-02 15:53:00,010 INFO L226 Difference]: Without dead ends: 5628 [2023-12-02 15:53:00,012 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 [2023-12-02 15:53:00,012 INFO L413 NwaCegarLoop]: 1016 mSDtfsCounter, 1116 mSDsluCounter, 1016 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1116 SdHoareTripleChecker+Valid, 2032 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:53:00,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1116 Valid, 2032 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-02 15:53:00,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5628 states. [2023-12-02 15:53:00,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5628 to 5628. [2023-12-02 15:53:00,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5628 states, 3215 states have (on average 1.2046656298600311) internal successors, (3873), 3297 states have internal predecessors, (3873), 1786 states have call successors, (1786), 610 states have call predecessors, (1786), 605 states have return successors, (1807), 1753 states have call predecessors, (1807), 1784 states have call successors, (1807) [2023-12-02 15:53:00,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5628 states to 5628 states and 7466 transitions. [2023-12-02 15:53:00,838 INFO L78 Accepts]: Start accepts. Automaton has 5628 states and 7466 transitions. Word has length 119 [2023-12-02 15:53:00,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:53:00,838 INFO L495 AbstractCegarLoop]: Abstraction has 5628 states and 7466 transitions. [2023-12-02 15:53:00,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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) [2023-12-02 15:53:00,838 INFO L276 IsEmpty]: Start isEmpty. Operand 5628 states and 7466 transitions. [2023-12-02 15:53:00,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 15:53:00,840 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:53:00,841 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] [2023-12-02 15:53:00,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-02 15:53:00,841 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [mspro_block_removeErr0ASSERT_VIOLATIONERROR_FUNCTION, mspro_block_removeErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 15:53:00,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:53:00,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1608126871, now seen corresponding path program 1 times [2023-12-02 15:53:00,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:53:00,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802628363] [2023-12-02 15:53:00,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:53:00,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:53:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:53:01,173 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 15:53:01,173 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:53:01,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802628363] [2023-12-02 15:53:01,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802628363] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:53:01,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:53:01,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:53:01,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829838512] [2023-12-02 15:53:01,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:53:01,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:53:01,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:53:01,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:53:01,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:53:01,176 INFO L87 Difference]: Start difference. First operand 5628 states and 7466 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 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) [2023-12-02 15:53:04,160 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 [] [2023-12-02 15:53:04,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:53:04,899 INFO L93 Difference]: Finished difference Result 5628 states and 7466 transitions. [2023-12-02 15:53:04,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:53:04,901 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 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 124 [2023-12-02 15:53:04,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:53:04,912 INFO L225 Difference]: With dead ends: 5628 [2023-12-02 15:53:04,913 INFO L226 Difference]: Without dead ends: 5626 [2023-12-02 15:53:04,914 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 [2023-12-02 15:53:04,915 INFO L413 NwaCegarLoop]: 1014 mSDtfsCounter, 1113 mSDsluCounter, 1014 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1113 SdHoareTripleChecker+Valid, 2028 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-12-02 15:53:04,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1113 Valid, 2028 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 261 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2023-12-02 15:53:04,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5626 states. [2023-12-02 15:53:05,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5626 to 5626. [2023-12-02 15:53:05,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5626 states, 3214 states have (on average 1.2041070317361544) internal successors, (3870), 3295 states have internal predecessors, (3870), 1786 states have call successors, (1786), 610 states have call predecessors, (1786), 605 states have return successors, (1807), 1753 states have call predecessors, (1807), 1784 states have call successors, (1807) [2023-12-02 15:53:05,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5626 states to 5626 states and 7463 transitions. [2023-12-02 15:53:05,690 INFO L78 Accepts]: Start accepts. Automaton has 5626 states and 7463 transitions. Word has length 124 [2023-12-02 15:53:05,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:53:05,691 INFO L495 AbstractCegarLoop]: Abstraction has 5626 states and 7463 transitions. [2023-12-02 15:53:05,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 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) [2023-12-02 15:53:05,691 INFO L276 IsEmpty]: Start isEmpty. Operand 5626 states and 7463 transitions. [2023-12-02 15:53:05,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-02 15:53:05,693 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:53:05,693 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] [2023-12-02 15:53:05,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-02 15:53:05,693 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_lib_idr__not_initializedErr0ASSERT_VIOLATIONERROR_FUNCTION === [mspro_block_removeErr0ASSERT_VIOLATIONERROR_FUNCTION, mspro_block_removeErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2023-12-02 15:53:05,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:53:05,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1564355808, now seen corresponding path program 1 times [2023-12-02 15:53:05,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:53:05,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976659532] [2023-12-02 15:53:05,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:53:05,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:53:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:53:07,144 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2023-12-02 15:53:07,144 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:53:07,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976659532] [2023-12-02 15:53:07,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976659532] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:53:07,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687254858] [2023-12-02 15:53:07,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:53:07,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:53:07,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:53:07,148 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:53:07,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0477c73-a405-4f9b-9bb7-778186286487/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 15:53:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:53:07,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 1732 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-02 15:53:07,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:53:07,947 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 164 proven. 2 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2023-12-02 15:53:07,948 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:53:08,451 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 4 proven. 42 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2023-12-02 15:53:08,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687254858] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:53:08,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [777575359] [2023-12-02 15:53:08,481 INFO L159 IcfgInterpreter]: Started Sifa with 75 locations of interest [2023-12-02 15:53:08,481 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 15:53:08,486 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 15:53:08,492 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 15:53:08,493 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 15:55:40,058 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_undef_int with input of size 1212 for LOIs [2023-12-02 15:55:43,062 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_xmalloc with input of size 1227 for LOIs [2023-12-02 15:58:33,931 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_assume with input of size 126 for LOIs [2023-12-02 15:58:33,995 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_is_err with input of size 1244 for LOIs [2023-12-02 15:58:36,739 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 15:58:59,474 WARN L293 SmtUtils]: Spent 22.43s on a formula simplification that was a NOOP. DAG size: 1208 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:59:26,236 WARN L293 SmtUtils]: Spent 24.93s on a formula simplification that was a NOOP. DAG size: 1210 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:59:52,163 WARN L293 SmtUtils]: Spent 25.44s on a formula simplification. DAG size of input: 1239 DAG size of output: 1236 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:00:15,500 WARN L293 SmtUtils]: Spent 22.91s on a formula simplification. DAG size of input: 1266 DAG size of output: 1263 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:00:36,297 WARN L293 SmtUtils]: Spent 20.40s on a formula simplification that was a NOOP. DAG size: 1212 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:00:57,398 WARN L293 SmtUtils]: Spent 20.67s on a formula simplification that was a NOOP. DAG size: 1219 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:01:20,632 WARN L293 SmtUtils]: Spent 22.73s on a formula simplification. DAG size of input: 1283 DAG size of output: 1267 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:01:43,876 WARN L293 SmtUtils]: Spent 22.72s on a formula simplification. DAG size of input: 1283 DAG size of output: 1267 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:02:08,265 WARN L293 SmtUtils]: Spent 23.79s on a formula simplification. DAG size of input: 1285 DAG size of output: 1269 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:02:31,070 WARN L293 SmtUtils]: Spent 22.23s on a formula simplification. DAG size of input: 1271 DAG size of output: 1267 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:02:54,785 WARN L293 SmtUtils]: Spent 23.11s on a formula simplification. DAG size of input: 1283 DAG size of output: 1279 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:03:16,791 WARN L293 SmtUtils]: Spent 20.54s on a formula simplification that was a NOOP. DAG size: 1227 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:03:42,948 WARN L293 SmtUtils]: Spent 24.38s on a formula simplification that was a NOOP. DAG size: 1244 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:04:13,543 WARN L293 SmtUtils]: Spent 28.73s on a formula simplification. DAG size of input: 1248 DAG size of output: 1246 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:04:31,233 WARN L293 SmtUtils]: Spent 15.00s on a formula simplification. DAG size of input: 1244 DAG size of output: 1242 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 16:04:44,254 WARN L293 SmtUtils]: Spent 10.33s on a formula simplification. DAG size of input: 1258 DAG size of output: 1256 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)