./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--usb--host--isp116x-hcd.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9d4cee005db193e9c1facb47684505767d12f23c1b879219be0e7ba3c7b775ac --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 15:07:44,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:07:44,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:07:44,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:07:44,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:07:44,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:07:44,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:07:44,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:07:44,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:07:44,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:07:44,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:07:44,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:07:44,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:07:44,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:07:44,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:07:44,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:07:44,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:07:44,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:07:44,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:07:44,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:07:44,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:07:44,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:07:44,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:07:44,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:07:44,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:07:44,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:07:44,408 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:07:44,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:07:44,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:07:44,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:07:44,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:07:44,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:07:44,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:07:44,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:07:44,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:07:44,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:07:44,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:07:44,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:07:44,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:07:44,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:07:44,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:07:44,423 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:07:44,450 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:07:44,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:07:44,451 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:07:44,452 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:07:44,452 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:07:44,453 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:07:44,453 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:07:44,453 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:07:44,454 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:07:44,454 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:07:44,454 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:07:44,455 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:07:44,455 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:07:44,455 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:07:44,456 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:07:44,456 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:07:44,456 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:07:44,457 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:07:44,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:07:44,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:07:44,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:07:44,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:07:44,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:07:44,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:07:44,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:07:44,465 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:07:44,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:07:44,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:07:44,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:07:44,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:07:44,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:07:44,468 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:07:44,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:07:44,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:07:44,469 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:07:44,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:07:44,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:07:44,471 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:07:44,471 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d4cee005db193e9c1facb47684505767d12f23c1b879219be0e7ba3c7b775ac [2022-11-23 15:07:44,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:07:44,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:07:44,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:07:44,872 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:07:44,873 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:07:44,874 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i [2022-11-23 15:07:48,411 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:07:49,052 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:07:49,053 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i [2022-11-23 15:07:49,115 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/data/affb7ca08/8bffdce2e0b6461194369f302e4030f4/FLAG51e2ff441 [2022-11-23 15:07:49,135 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/data/affb7ca08/8bffdce2e0b6461194369f302e4030f4 [2022-11-23 15:07:49,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:07:49,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:07:49,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:07:49,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:07:49,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:07:49,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:07:49" (1/1) ... [2022-11-23 15:07:49,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e43f491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:49, skipping insertion in model container [2022-11-23 15:07:49,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:07:49" (1/1) ... [2022-11-23 15:07:49,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:07:49,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:07:53,952 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364624,364637] [2022-11-23 15:07:53,956 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364769,364782] [2022-11-23 15:07:53,956 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364915,364928] [2022-11-23 15:07:53,957 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365080,365093] [2022-11-23 15:07:53,957 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365238,365251] [2022-11-23 15:07:53,958 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365396,365409] [2022-11-23 15:07:53,958 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365554,365567] [2022-11-23 15:07:53,958 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365714,365727] [2022-11-23 15:07:53,959 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365873,365886] [2022-11-23 15:07:53,959 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366012,366025] [2022-11-23 15:07:53,959 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366154,366167] [2022-11-23 15:07:53,960 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366303,366316] [2022-11-23 15:07:53,961 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366442,366455] [2022-11-23 15:07:53,961 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366597,366610] [2022-11-23 15:07:53,961 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366757,366770] [2022-11-23 15:07:53,962 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366908,366921] [2022-11-23 15:07:53,962 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367059,367072] [2022-11-23 15:07:53,963 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367211,367224] [2022-11-23 15:07:53,963 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367360,367373] [2022-11-23 15:07:53,964 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367508,367521] [2022-11-23 15:07:53,965 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367665,367678] [2022-11-23 15:07:53,965 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367814,367827] [2022-11-23 15:07:53,966 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367970,367983] [2022-11-23 15:07:53,966 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368123,368136] [2022-11-23 15:07:53,967 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368269,368282] [2022-11-23 15:07:53,967 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368412,368425] [2022-11-23 15:07:53,968 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368564,368577] [2022-11-23 15:07:53,968 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368710,368723] [2022-11-23 15:07:53,969 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368855,368868] [2022-11-23 15:07:53,970 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369009,369022] [2022-11-23 15:07:53,970 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369160,369173] [2022-11-23 15:07:53,971 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369315,369328] [2022-11-23 15:07:53,972 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369467,369480] [2022-11-23 15:07:53,972 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369622,369635] [2022-11-23 15:07:53,973 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369786,369799] [2022-11-23 15:07:53,974 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369942,369955] [2022-11-23 15:07:53,974 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370106,370119] [2022-11-23 15:07:53,975 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370248,370261] [2022-11-23 15:07:53,975 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370406,370419] [2022-11-23 15:07:53,976 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370573,370586] [2022-11-23 15:07:53,977 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370732,370745] [2022-11-23 15:07:53,977 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370891,370904] [2022-11-23 15:07:53,978 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371040,371053] [2022-11-23 15:07:53,978 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371187,371200] [2022-11-23 15:07:53,979 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371326,371339] [2022-11-23 15:07:53,979 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371489,371502] [2022-11-23 15:07:53,980 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371655,371668] [2022-11-23 15:07:53,980 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371819,371832] [2022-11-23 15:07:53,981 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371984,371997] [2022-11-23 15:07:53,982 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372149,372162] [2022-11-23 15:07:53,982 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372315,372328] [2022-11-23 15:07:53,983 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372480,372493] [2022-11-23 15:07:53,983 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372647,372660] [2022-11-23 15:07:53,984 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372807,372820] [2022-11-23 15:07:53,984 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372969,372982] [2022-11-23 15:07:53,985 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373128,373141] [2022-11-23 15:07:53,985 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373274,373287] [2022-11-23 15:07:53,986 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373417,373430] [2022-11-23 15:07:53,986 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373561,373574] [2022-11-23 15:07:53,987 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373704,373717] [2022-11-23 15:07:53,988 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373848,373861] [2022-11-23 15:07:53,988 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373989,374002] [2022-11-23 15:07:53,989 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374127,374140] [2022-11-23 15:07:53,989 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374285,374298] [2022-11-23 15:07:53,990 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374444,374457] [2022-11-23 15:07:53,990 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374600,374613] [2022-11-23 15:07:53,991 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374749,374762] [2022-11-23 15:07:53,992 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374901,374914] [2022-11-23 15:07:53,992 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375052,375065] [2022-11-23 15:07:53,993 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375201,375214] [2022-11-23 15:07:53,993 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375353,375366] [2022-11-23 15:07:53,994 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375501,375514] [2022-11-23 15:07:53,994 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375654,375667] [2022-11-23 15:07:53,995 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375805,375818] [2022-11-23 15:07:53,995 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375955,375968] [2022-11-23 15:07:53,996 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376102,376115] [2022-11-23 15:07:53,996 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376253,376266] [2022-11-23 15:07:53,997 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376404,376417] [2022-11-23 15:07:53,997 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376552,376565] [2022-11-23 15:07:53,998 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376718,376731] [2022-11-23 15:07:53,998 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376887,376900] [2022-11-23 15:07:53,999 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377054,377067] [2022-11-23 15:07:53,999 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377222,377235] [2022-11-23 15:07:54,000 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377372,377385] [2022-11-23 15:07:54,001 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377519,377532] [2022-11-23 15:07:54,001 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377680,377693] [2022-11-23 15:07:54,002 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377850,377863] [2022-11-23 15:07:54,002 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[378012,378025] [2022-11-23 15:07:54,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:07:54,059 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:07:54,700 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364624,364637] [2022-11-23 15:07:54,701 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364769,364782] [2022-11-23 15:07:54,702 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364915,364928] [2022-11-23 15:07:54,702 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365080,365093] [2022-11-23 15:07:54,703 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365238,365251] [2022-11-23 15:07:54,703 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365396,365409] [2022-11-23 15:07:54,709 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365554,365567] [2022-11-23 15:07:54,710 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365714,365727] [2022-11-23 15:07:54,711 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365873,365886] [2022-11-23 15:07:54,711 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366012,366025] [2022-11-23 15:07:54,712 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366154,366167] [2022-11-23 15:07:54,712 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366303,366316] [2022-11-23 15:07:54,713 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366442,366455] [2022-11-23 15:07:54,713 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366597,366610] [2022-11-23 15:07:54,714 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366757,366770] [2022-11-23 15:07:54,714 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366908,366921] [2022-11-23 15:07:54,715 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367059,367072] [2022-11-23 15:07:54,715 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367211,367224] [2022-11-23 15:07:54,716 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367360,367373] [2022-11-23 15:07:54,718 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367508,367521] [2022-11-23 15:07:54,718 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367665,367678] [2022-11-23 15:07:54,719 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367814,367827] [2022-11-23 15:07:54,719 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367970,367983] [2022-11-23 15:07:54,720 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368123,368136] [2022-11-23 15:07:54,721 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368269,368282] [2022-11-23 15:07:54,722 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368412,368425] [2022-11-23 15:07:54,723 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368564,368577] [2022-11-23 15:07:54,723 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368710,368723] [2022-11-23 15:07:54,724 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368855,368868] [2022-11-23 15:07:54,724 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369009,369022] [2022-11-23 15:07:54,725 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369160,369173] [2022-11-23 15:07:54,725 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369315,369328] [2022-11-23 15:07:54,726 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369467,369480] [2022-11-23 15:07:54,726 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369622,369635] [2022-11-23 15:07:54,727 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369786,369799] [2022-11-23 15:07:54,728 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369942,369955] [2022-11-23 15:07:54,729 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370106,370119] [2022-11-23 15:07:54,730 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370248,370261] [2022-11-23 15:07:54,730 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370406,370419] [2022-11-23 15:07:54,731 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370573,370586] [2022-11-23 15:07:54,733 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370732,370745] [2022-11-23 15:07:54,733 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370891,370904] [2022-11-23 15:07:54,734 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371040,371053] [2022-11-23 15:07:54,735 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371187,371200] [2022-11-23 15:07:54,740 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371326,371339] [2022-11-23 15:07:54,741 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371489,371502] [2022-11-23 15:07:54,742 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371655,371668] [2022-11-23 15:07:54,742 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371819,371832] [2022-11-23 15:07:54,743 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371984,371997] [2022-11-23 15:07:54,743 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372149,372162] [2022-11-23 15:07:54,744 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372315,372328] [2022-11-23 15:07:54,745 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372480,372493] [2022-11-23 15:07:54,745 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372647,372660] [2022-11-23 15:07:54,746 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372807,372820] [2022-11-23 15:07:54,747 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372969,372982] [2022-11-23 15:07:54,748 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373128,373141] [2022-11-23 15:07:54,753 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373274,373287] [2022-11-23 15:07:54,754 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373417,373430] [2022-11-23 15:07:54,755 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373561,373574] [2022-11-23 15:07:54,756 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373704,373717] [2022-11-23 15:07:54,757 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373848,373861] [2022-11-23 15:07:54,757 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373989,374002] [2022-11-23 15:07:54,759 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374127,374140] [2022-11-23 15:07:54,759 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374285,374298] [2022-11-23 15:07:54,760 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374444,374457] [2022-11-23 15:07:54,766 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374600,374613] [2022-11-23 15:07:54,768 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374749,374762] [2022-11-23 15:07:54,768 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374901,374914] [2022-11-23 15:07:54,769 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375052,375065] [2022-11-23 15:07:54,769 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375201,375214] [2022-11-23 15:07:54,773 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375353,375366] [2022-11-23 15:07:54,776 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375501,375514] [2022-11-23 15:07:54,777 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375654,375667] [2022-11-23 15:07:54,777 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375805,375818] [2022-11-23 15:07:54,779 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375955,375968] [2022-11-23 15:07:54,779 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376102,376115] [2022-11-23 15:07:54,780 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376253,376266] [2022-11-23 15:07:54,780 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376404,376417] [2022-11-23 15:07:54,782 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376552,376565] [2022-11-23 15:07:54,783 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376718,376731] [2022-11-23 15:07:54,784 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376887,376900] [2022-11-23 15:07:54,785 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377054,377067] [2022-11-23 15:07:54,785 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377222,377235] [2022-11-23 15:07:54,786 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377372,377385] [2022-11-23 15:07:54,786 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377519,377532] [2022-11-23 15:07:54,787 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377680,377693] [2022-11-23 15:07:54,787 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377850,377863] [2022-11-23 15:07:54,788 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[378012,378025] [2022-11-23 15:07:54,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:07:55,007 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:07:55,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:55 WrapperNode [2022-11-23 15:07:55,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:07:55,010 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:07:55,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:07:55,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:07:55,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:55" (1/1) ... [2022-11-23 15:07:55,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:55" (1/1) ... [2022-11-23 15:07:55,456 INFO L138 Inliner]: procedures = 599, calls = 2936, calls flagged for inlining = 294, calls inlined = 217, statements flattened = 6259 [2022-11-23 15:07:55,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:07:55,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:07:55,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:07:55,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:07:55,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:55" (1/1) ... [2022-11-23 15:07:55,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:55" (1/1) ... [2022-11-23 15:07:55,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:55" (1/1) ... [2022-11-23 15:07:55,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:55" (1/1) ... [2022-11-23 15:07:55,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:55" (1/1) ... [2022-11-23 15:07:55,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:55" (1/1) ... [2022-11-23 15:07:55,703 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:55" (1/1) ... [2022-11-23 15:07:55,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:55" (1/1) ... [2022-11-23 15:07:55,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:07:55,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:07:55,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:07:55,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:07:55,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:55" (1/1) ... [2022-11-23 15:07:55,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:07:55,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:07:55,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:07:55,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:07:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-23 15:07:55,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-23 15:07:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 15:07:55,902 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 15:07:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_get_frame [2022-11-23 15:07:55,902 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_get_frame [2022-11-23 15:07:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 15:07:55,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 15:07:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-23 15:07:55,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-23 15:07:55,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 15:07:55,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 15:07:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-23 15:07:55,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-23 15:07:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-23 15:07:55,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-23 15:07:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-23 15:07:55,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-23 15:07:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_isp116x [2022-11-23 15:07:55,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_isp116x [2022-11-23 15:07:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 15:07:55,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 15:07:55,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 15:07:55,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 15:07:55,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-23 15:07:55,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-23 15:07:55,912 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_read_reg32 [2022-11-23 15:07:55,912 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_read_reg32 [2022-11-23 15:07:55,913 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-11-23 15:07:55,913 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-11-23 15:07:55,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:07:55,913 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_raw_write_data16 [2022-11-23 15:07:55,913 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_raw_write_data16 [2022-11-23 15:07:55,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-23 15:07:55,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-23 15:07:55,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-23 15:07:55,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-23 15:07:55,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 15:07:55,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 15:07:55,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-23 15:07:55,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-23 15:07:55,915 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-11-23 15:07:55,916 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-11-23 15:07:55,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:07:55,916 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_read_data16 [2022-11-23 15:07:55,916 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_read_data16 [2022-11-23 15:07:55,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-23 15:07:55,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-23 15:07:55,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-23 15:07:55,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-23 15:07:55,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_122 [2022-11-23 15:07:55,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_122 [2022-11-23 15:07:55,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-23 15:07:55,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-23 15:07:55,918 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_hub_control [2022-11-23 15:07:55,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_hub_control [2022-11-23 15:07:55,918 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_reset [2022-11-23 15:07:55,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_reset [2022-11-23 15:07:55,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-23 15:07:55,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-23 15:07:55,919 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_isp116x [2022-11-23 15:07:55,919 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_isp116x [2022-11-23 15:07:55,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-23 15:07:55,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-23 15:07:55,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:07:55,925 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-23 15:07:55,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-23 15:07:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:07:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 15:07:55,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 15:07:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 15:07:55,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 15:07:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:07:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:07:55,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:07:55,929 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 15:07:55,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 15:07:55,929 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_hcd [2022-11-23 15:07:55,929 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_hcd [2022-11-23 15:07:55,929 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_bus_resume [2022-11-23 15:07:55,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_bus_resume [2022-11-23 15:07:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 15:07:55,930 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 15:07:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-23 15:07:55,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-23 15:07:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_start [2022-11-23 15:07:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_start [2022-11-23 15:07:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-23 15:07:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-23 15:07:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:07:55,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:07:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure finish_request [2022-11-23 15:07:55,936 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_request [2022-11-23 15:07:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_reg16 [2022-11-23 15:07:55,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_reg16 [2022-11-23 15:07:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-23 15:07:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-23 15:07:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 15:07:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 15:07:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 15:07:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 15:07:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-23 15:07:55,938 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-23 15:07:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_reg32 [2022-11-23 15:07:55,938 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_reg32 [2022-11-23 15:07:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_sw_reset [2022-11-23 15:07:55,938 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_sw_reset [2022-11-23 15:07:55,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-23 15:07:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-23 15:07:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_isp116x [2022-11-23 15:07:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_isp116x [2022-11-23 15:07:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2022-11-23 15:07:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2022-11-23 15:07:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_addr [2022-11-23 15:07:55,940 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_addr [2022-11-23 15:07:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_to_hcd [2022-11-23 15:07:55,941 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_to_hcd [2022-11-23 15:07:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-23 15:07:55,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-23 15:07:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-23 15:07:55,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-23 15:07:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:07:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-23 15:07:55,942 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-23 15:07:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-23 15:07:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-23 15:07:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:07:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-23 15:07:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-23 15:07:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-23 15:07:55,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-23 15:07:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_101 [2022-11-23 15:07:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_101 [2022-11-23 15:07:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:07:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-23 15:07:55,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-23 15:07:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 15:07:55,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 15:07:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure start_atl_transfers [2022-11-23 15:07:55,945 INFO L138 BoogieDeclarations]: Found implementation of procedure start_atl_transfers [2022-11-23 15:07:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-11-23 15:07:55,945 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-11-23 15:07:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_probe [2022-11-23 15:07:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_probe [2022-11-23 15:07:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 15:07:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 15:07:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_data16 [2022-11-23 15:07:55,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_data16 [2022-11-23 15:07:55,946 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-23 15:07:55,947 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-23 15:07:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-23 15:07:55,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-23 15:07:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-23 15:07:55,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-23 15:07:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-23 15:07:55,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-23 15:07:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-23 15:07:55,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-23 15:07:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-23 15:07:55,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-23 15:07:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 15:07:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 15:07:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:07:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-23 15:07:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-23 15:07:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 15:07:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 15:07:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_96 [2022-11-23 15:07:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_96 [2022-11-23 15:07:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_read_reg16 [2022-11-23 15:07:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_read_reg16 [2022-11-23 15:07:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-23 15:07:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-23 15:07:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_95 [2022-11-23 15:07:55,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_95 [2022-11-23 15:07:55,951 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_stop [2022-11-23 15:07:55,951 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_stop [2022-11-23 15:07:55,951 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_bus_suspend [2022-11-23 15:07:55,951 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_bus_suspend [2022-11-23 15:07:55,952 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_raw_read_data16 [2022-11-23 15:07:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_raw_read_data16 [2022-11-23 15:07:55,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 15:07:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 15:07:55,952 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_resume [2022-11-23 15:07:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_resume [2022-11-23 15:07:55,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-23 15:07:55,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-23 15:07:55,953 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-23 15:07:55,953 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-23 15:07:55,953 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-23 15:07:55,953 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-23 15:07:55,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_121 [2022-11-23 15:07:55,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_121 [2022-11-23 15:07:55,954 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_remove [2022-11-23 15:07:55,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_remove [2022-11-23 15:07:55,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:07:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-23 15:07:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-23 15:07:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-11-23 15:07:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-11-23 15:07:57,069 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:07:57,073 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:07:57,436 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 15:08:04,813 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:08:06,533 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:08:06,534 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 15:08:06,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:08:06 BoogieIcfgContainer [2022-11-23 15:08:06,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:08:06,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:08:06,543 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:08:06,546 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:08:06,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:07:49" (1/3) ... [2022-11-23 15:08:06,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56166d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:08:06, skipping insertion in model container [2022-11-23 15:08:06,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:55" (2/3) ... [2022-11-23 15:08:06,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56166d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:08:06, skipping insertion in model container [2022-11-23 15:08:06,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:08:06" (3/3) ... [2022-11-23 15:08:06,550 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i [2022-11-23 15:08:06,574 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:08:06,574 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-11-23 15:08:06,683 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:08:06,698 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@140d2d58, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:08:06,698 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-11-23 15:08:06,713 INFO L276 IsEmpty]: Start isEmpty. Operand has 1602 states, 934 states have (on average 1.3340471092077089) internal successors, (1246), 1004 states have internal predecessors, (1246), 547 states have call successors, (547), 94 states have call predecessors, (547), 93 states have return successors, (540), 532 states have call predecessors, (540), 540 states have call successors, (540) [2022-11-23 15:08:06,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-23 15:08:06,728 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:08:06,729 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] [2022-11-23 15:08:06,730 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-23 15:08:06,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:08:06,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1043739484, now seen corresponding path program 1 times [2022-11-23 15:08:06,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:08:06,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619497334] [2022-11-23 15:08:06,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:08:06,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:08:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:08:08,009 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:08:08,073 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:08:08,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619497334] [2022-11-23 15:08:08,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619497334] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:08:08,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:08:08,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:08:08,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973520006] [2022-11-23 15:08:08,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:08:08,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:08:08,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:08:08,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:08:08,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:08:08,134 INFO L87 Difference]: Start difference. First operand has 1602 states, 934 states have (on average 1.3340471092077089) internal successors, (1246), 1004 states have internal predecessors, (1246), 547 states have call successors, (547), 94 states have call predecessors, (547), 93 states have return successors, (540), 532 states have call predecessors, (540), 540 states have call successors, (540) 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, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 15:08:13,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:08:17,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:08:18,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:08:18,656 INFO L93 Difference]: Finished difference Result 4701 states and 7163 transitions. [2022-11-23 15:08:18,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:08:18,660 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, (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 [2022-11-23 15:08:18,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:08:18,701 INFO L225 Difference]: With dead ends: 4701 [2022-11-23 15:08:18,702 INFO L226 Difference]: Without dead ends: 3092 [2022-11-23 15:08:18,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:08:18,724 INFO L413 NwaCegarLoop]: 2514 mSDtfsCounter, 2193 mSDsluCounter, 4520 mSDsCounter, 0 mSdLazyCounter, 886 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2195 SdHoareTripleChecker+Valid, 7034 SdHoareTripleChecker+Invalid, 887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:08:18,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2195 Valid, 7034 Invalid, 887 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 886 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2022-11-23 15:08:18,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3092 states. [2022-11-23 15:08:19,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3092 to 2918. [2022-11-23 15:08:19,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2918 states, 1715 states have (on average 1.3037900874635568) internal successors, (2236), 1816 states have internal predecessors, (2236), 1013 states have call successors, (1013), 164 states have call predecessors, (1013), 162 states have return successors, (1037), 990 states have call predecessors, (1037), 1011 states have call successors, (1037) [2022-11-23 15:08:19,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 2918 states and 4286 transitions. [2022-11-23 15:08:19,105 INFO L78 Accepts]: Start accepts. Automaton has 2918 states and 4286 transitions. Word has length 47 [2022-11-23 15:08:19,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:08:19,106 INFO L495 AbstractCegarLoop]: Abstraction has 2918 states and 4286 transitions. [2022-11-23 15:08:19,107 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, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 15:08:19,107 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 4286 transitions. [2022-11-23 15:08:19,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-23 15:08:19,110 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:08:19,111 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] [2022-11-23 15:08:19,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:08:19,112 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-23 15:08:19,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:08:19,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1313783226, now seen corresponding path program 1 times [2022-11-23 15:08:19,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:08:19,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594295964] [2022-11-23 15:08:19,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:08:19,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:08:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:08:19,949 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:08:19,950 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:08:19,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594295964] [2022-11-23 15:08:19,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594295964] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:08:19,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:08:19,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:08:19,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243279149] [2022-11-23 15:08:19,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:08:19,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:08:19,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:08:19,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:08:19,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:08:19,954 INFO L87 Difference]: Start difference. First operand 2918 states and 4286 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, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 15:08:23,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:08:24,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:08:24,982 INFO L93 Difference]: Finished difference Result 2918 states and 4286 transitions. [2022-11-23 15:08:24,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:08:24,984 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, (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 [2022-11-23 15:08:24,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:08:25,007 INFO L225 Difference]: With dead ends: 2918 [2022-11-23 15:08:25,007 INFO L226 Difference]: Without dead ends: 2916 [2022-11-23 15:08:25,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:08:25,017 INFO L413 NwaCegarLoop]: 1980 mSDtfsCounter, 2253 mSDsluCounter, 1980 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2255 SdHoareTripleChecker+Valid, 3960 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:08:25,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2255 Valid, 3960 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-23 15:08:25,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2916 states. [2022-11-23 15:08:25,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2916 to 2916. [2022-11-23 15:08:25,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2916 states, 1714 states have (on average 1.3033838973162193) internal successors, (2234), 1814 states have internal predecessors, (2234), 1013 states have call successors, (1013), 164 states have call predecessors, (1013), 162 states have return successors, (1037), 990 states have call predecessors, (1037), 1011 states have call successors, (1037) [2022-11-23 15:08:25,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2916 states and 4284 transitions. [2022-11-23 15:08:25,363 INFO L78 Accepts]: Start accepts. Automaton has 2916 states and 4284 transitions. Word has length 52 [2022-11-23 15:08:25,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:08:25,364 INFO L495 AbstractCegarLoop]: Abstraction has 2916 states and 4284 transitions. [2022-11-23 15:08:25,364 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, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 15:08:25,365 INFO L276 IsEmpty]: Start isEmpty. Operand 2916 states and 4284 transitions. [2022-11-23 15:08:25,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-23 15:08:25,371 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:08:25,371 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, 1, 1] [2022-11-23 15:08:25,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:08:25,372 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-23 15:08:25,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:08:25,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1541158270, now seen corresponding path program 1 times [2022-11-23 15:08:25,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:08:25,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573238576] [2022-11-23 15:08:25,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:08:25,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:08:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:08:26,068 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:08:26,068 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:08:26,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573238576] [2022-11-23 15:08:26,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573238576] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:08:26,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:08:26,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:08:26,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937265417] [2022-11-23 15:08:26,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:08:26,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:08:26,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:08:26,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:08:26,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:08:26,072 INFO L87 Difference]: Start difference. First operand 2916 states and 4284 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, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-23 15:08:29,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:08:31,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:08:32,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:08:32,534 INFO L93 Difference]: Finished difference Result 2916 states and 4284 transitions. [2022-11-23 15:08:32,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:08:32,536 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, (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 [2022-11-23 15:08:32,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:08:32,563 INFO L225 Difference]: With dead ends: 2916 [2022-11-23 15:08:32,563 INFO L226 Difference]: Without dead ends: 2914 [2022-11-23 15:08:32,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:08:32,568 INFO L413 NwaCegarLoop]: 1978 mSDtfsCounter, 2250 mSDsluCounter, 1978 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2252 SdHoareTripleChecker+Valid, 3956 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:08:32,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2252 Valid, 3956 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-11-23 15:08:32,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2914 states. [2022-11-23 15:08:32,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2914 to 2914. [2022-11-23 15:08:32,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2914 states, 1713 states have (on average 1.3029772329246936) internal successors, (2232), 1812 states have internal predecessors, (2232), 1013 states have call successors, (1013), 164 states have call predecessors, (1013), 162 states have return successors, (1037), 990 states have call predecessors, (1037), 1011 states have call successors, (1037) [2022-11-23 15:08:32,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2914 states and 4282 transitions. [2022-11-23 15:08:32,824 INFO L78 Accepts]: Start accepts. Automaton has 2914 states and 4282 transitions. Word has length 57 [2022-11-23 15:08:32,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:08:32,827 INFO L495 AbstractCegarLoop]: Abstraction has 2914 states and 4282 transitions. [2022-11-23 15:08:32,827 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, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-23 15:08:32,827 INFO L276 IsEmpty]: Start isEmpty. Operand 2914 states and 4282 transitions. [2022-11-23 15:08:32,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-23 15:08:32,833 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:08:32,834 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:08:32,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:08:32,834 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-23 15:08:32,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:08:32,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1228562533, now seen corresponding path program 1 times [2022-11-23 15:08:32,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:08:32,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143192499] [2022-11-23 15:08:32,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:08:32,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:08:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:08:33,362 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:08:33,362 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:08:33,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143192499] [2022-11-23 15:08:33,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143192499] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:08:33,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:08:33,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:08:33,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081229797] [2022-11-23 15:08:33,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:08:33,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:08:33,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:08:33,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:08:33,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:08:33,365 INFO L87 Difference]: Start difference. First operand 2914 states and 4282 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, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 15:08:37,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:08:38,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:08:40,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:08:40,083 INFO L93 Difference]: Finished difference Result 2914 states and 4282 transitions. [2022-11-23 15:08:40,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:08:40,085 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, (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 [2022-11-23 15:08:40,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:08:40,106 INFO L225 Difference]: With dead ends: 2914 [2022-11-23 15:08:40,106 INFO L226 Difference]: Without dead ends: 2912 [2022-11-23 15:08:40,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:08:40,110 INFO L413 NwaCegarLoop]: 1976 mSDtfsCounter, 2247 mSDsluCounter, 1976 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2249 SdHoareTripleChecker+Valid, 3952 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:08:40,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2249 Valid, 3952 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-11-23 15:08:40,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2912 states. [2022-11-23 15:08:40,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2912 to 2912. [2022-11-23 15:08:40,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2912 states, 1712 states have (on average 1.3025700934579438) internal successors, (2230), 1810 states have internal predecessors, (2230), 1013 states have call successors, (1013), 164 states have call predecessors, (1013), 162 states have return successors, (1037), 990 states have call predecessors, (1037), 1011 states have call successors, (1037) [2022-11-23 15:08:40,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2912 states to 2912 states and 4280 transitions. [2022-11-23 15:08:40,336 INFO L78 Accepts]: Start accepts. Automaton has 2912 states and 4280 transitions. Word has length 62 [2022-11-23 15:08:40,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:08:40,336 INFO L495 AbstractCegarLoop]: Abstraction has 2912 states and 4280 transitions. [2022-11-23 15:08:40,337 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, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 15:08:40,337 INFO L276 IsEmpty]: Start isEmpty. Operand 2912 states and 4280 transitions. [2022-11-23 15:08:40,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-23 15:08:40,338 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:08:40,339 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:08:40,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:08:40,339 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-23 15:08:40,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:08:40,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1007326539, now seen corresponding path program 1 times [2022-11-23 15:08:40,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:08:40,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127006443] [2022-11-23 15:08:40,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:08:40,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:08:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:08:40,718 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-23 15:08:40,718 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:08:40,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127006443] [2022-11-23 15:08:40,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127006443] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:08:40,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:08:40,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:08:40,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464414358] [2022-11-23 15:08:40,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:08:40,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:08:40,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:08:40,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:08:40,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:08:40,723 INFO L87 Difference]: Start difference. First operand 2912 states and 4280 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 15:08:44,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:08:45,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:08:45,194 INFO L93 Difference]: Finished difference Result 5956 states and 8734 transitions. [2022-11-23 15:08:45,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:08:45,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 72 [2022-11-23 15:08:45,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:08:45,219 INFO L225 Difference]: With dead ends: 5956 [2022-11-23 15:08:45,219 INFO L226 Difference]: Without dead ends: 3060 [2022-11-23 15:08:45,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:08:45,239 INFO L413 NwaCegarLoop]: 1997 mSDtfsCounter, 2257 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2259 SdHoareTripleChecker+Valid, 2081 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:08:45,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2259 Valid, 2081 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 308 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-11-23 15:08:45,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3060 states. [2022-11-23 15:08:45,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3060 to 3052. [2022-11-23 15:08:45,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3052 states, 1785 states have (on average 1.2980392156862746) internal successors, (2317), 1888 states have internal predecessors, (2317), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-23 15:08:45,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3052 states to 3052 states and 4467 transitions. [2022-11-23 15:08:45,511 INFO L78 Accepts]: Start accepts. Automaton has 3052 states and 4467 transitions. Word has length 72 [2022-11-23 15:08:45,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:08:45,511 INFO L495 AbstractCegarLoop]: Abstraction has 3052 states and 4467 transitions. [2022-11-23 15:08:45,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 15:08:45,512 INFO L276 IsEmpty]: Start isEmpty. Operand 3052 states and 4467 transitions. [2022-11-23 15:08:45,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-23 15:08:45,513 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:08:45,513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:08:45,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 15:08:45,514 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-23 15:08:45,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:08:45,515 INFO L85 PathProgramCache]: Analyzing trace with hash 491584082, now seen corresponding path program 1 times [2022-11-23 15:08:45,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:08:45,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925839879] [2022-11-23 15:08:45,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:08:45,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:08:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:08:46,007 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:08:46,007 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:08:46,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925839879] [2022-11-23 15:08:46,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925839879] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:08:46,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:08:46,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:08:46,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901363815] [2022-11-23 15:08:46,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:08:46,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:08:46,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:08:46,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:08:46,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:08:46,010 INFO L87 Difference]: Start difference. First operand 3052 states and 4467 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-23 15:08:49,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:08:51,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:08:52,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:08:52,923 INFO L93 Difference]: Finished difference Result 3052 states and 4467 transitions. [2022-11-23 15:08:52,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:08:52,924 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, (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 [2022-11-23 15:08:52,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:08:52,943 INFO L225 Difference]: With dead ends: 3052 [2022-11-23 15:08:52,943 INFO L226 Difference]: Without dead ends: 3050 [2022-11-23 15:08:52,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:08:52,946 INFO L413 NwaCegarLoop]: 1969 mSDtfsCounter, 2239 mSDsluCounter, 1969 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2241 SdHoareTripleChecker+Valid, 3938 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:08:52,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2241 Valid, 3938 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 584 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2022-11-23 15:08:52,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3050 states. [2022-11-23 15:08:53,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3050 to 3050. [2022-11-23 15:08:53,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3050 states, 1784 states have (on average 1.2976457399103138) internal successors, (2315), 1886 states have internal predecessors, (2315), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-23 15:08:53,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3050 states to 3050 states and 4465 transitions. [2022-11-23 15:08:53,213 INFO L78 Accepts]: Start accepts. Automaton has 3050 states and 4465 transitions. Word has length 67 [2022-11-23 15:08:53,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:08:53,213 INFO L495 AbstractCegarLoop]: Abstraction has 3050 states and 4465 transitions. [2022-11-23 15:08:53,214 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-23 15:08:53,214 INFO L276 IsEmpty]: Start isEmpty. Operand 3050 states and 4465 transitions. [2022-11-23 15:08:53,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-23 15:08:53,215 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:08:53,215 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:08:53,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 15:08:53,216 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-23 15:08:53,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:08:53,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1757681954, now seen corresponding path program 1 times [2022-11-23 15:08:53,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:08:53,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82392350] [2022-11-23 15:08:53,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:08:53,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:08:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:08:53,609 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-23 15:08:53,610 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:08:53,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82392350] [2022-11-23 15:08:53,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82392350] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:08:53,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851319765] [2022-11-23 15:08:53,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:08:53,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:08:53,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:08:53,619 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:08:53,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:08:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:08:54,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 3050 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 15:08:54,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:08:54,954 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-23 15:08:54,954 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:08:54,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851319765] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:08:54,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:08:54,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-11-23 15:08:54,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902746991] [2022-11-23 15:08:54,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:08:54,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:08:54,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:08:54,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:08:54,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:08:54,957 INFO L87 Difference]: Start difference. First operand 3050 states and 4465 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-23 15:08:58,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:08:59,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:08:59,086 INFO L93 Difference]: Finished difference Result 6086 states and 8908 transitions. [2022-11-23 15:08:59,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:08:59,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 77 [2022-11-23 15:08:59,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:08:59,108 INFO L225 Difference]: With dead ends: 6086 [2022-11-23 15:08:59,108 INFO L226 Difference]: Without dead ends: 3052 [2022-11-23 15:08:59,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:08:59,128 INFO L413 NwaCegarLoop]: 1990 mSDtfsCounter, 2242 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2244 SdHoareTripleChecker+Valid, 2074 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:08:59,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2244 Valid, 2074 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 308 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-11-23 15:08:59,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3052 states. [2022-11-23 15:08:59,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3052 to 3044. [2022-11-23 15:08:59,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3044 states, 1779 states have (on average 1.2962338392355255) internal successors, (2306), 1880 states have internal predecessors, (2306), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-23 15:08:59,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3044 states to 3044 states and 4456 transitions. [2022-11-23 15:08:59,421 INFO L78 Accepts]: Start accepts. Automaton has 3044 states and 4456 transitions. Word has length 77 [2022-11-23 15:08:59,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:08:59,423 INFO L495 AbstractCegarLoop]: Abstraction has 3044 states and 4456 transitions. [2022-11-23 15:08:59,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-23 15:08:59,424 INFO L276 IsEmpty]: Start isEmpty. Operand 3044 states and 4456 transitions. [2022-11-23 15:08:59,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-23 15:08:59,425 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:08:59,426 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:08:59,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:08:59,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-23 15:08:59,640 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-23 15:08:59,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:08:59,641 INFO L85 PathProgramCache]: Analyzing trace with hash 232502398, now seen corresponding path program 1 times [2022-11-23 15:08:59,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:08:59,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954270690] [2022-11-23 15:08:59,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:08:59,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:08:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:09:00,101 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:09:00,102 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:09:00,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954270690] [2022-11-23 15:09:00,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954270690] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:09:00,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:09:00,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:09:00,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383082926] [2022-11-23 15:09:00,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:09:00,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:09:00,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:09:00,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:09:00,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:09:00,105 INFO L87 Difference]: Start difference. First operand 3044 states and 4456 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:09:04,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:09:05,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:09:05,526 INFO L93 Difference]: Finished difference Result 3052 states and 4466 transitions. [2022-11-23 15:09:05,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:09:05,528 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, (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 [2022-11-23 15:09:05,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:09:05,544 INFO L225 Difference]: With dead ends: 3052 [2022-11-23 15:09:05,544 INFO L226 Difference]: Without dead ends: 3050 [2022-11-23 15:09:05,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:09:05,547 INFO L413 NwaCegarLoop]: 1987 mSDtfsCounter, 2230 mSDsluCounter, 2071 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2234 SdHoareTripleChecker+Valid, 4058 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:09:05,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2234 Valid, 4058 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 599 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-11-23 15:09:05,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3050 states. [2022-11-23 15:09:05,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3050 to 3042. [2022-11-23 15:09:05,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3042 states, 1778 states have (on average 1.295838020247469) internal successors, (2304), 1878 states have internal predecessors, (2304), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-23 15:09:05,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3042 states to 3042 states and 4454 transitions. [2022-11-23 15:09:05,875 INFO L78 Accepts]: Start accepts. Automaton has 3042 states and 4454 transitions. Word has length 72 [2022-11-23 15:09:05,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:09:05,876 INFO L495 AbstractCegarLoop]: Abstraction has 3042 states and 4454 transitions. [2022-11-23 15:09:05,876 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:09:05,877 INFO L276 IsEmpty]: Start isEmpty. Operand 3042 states and 4454 transitions. [2022-11-23 15:09:05,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-23 15:09:05,878 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:09:05,879 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:09:05,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 15:09:05,879 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-23 15:09:05,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:09:05,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1961715133, now seen corresponding path program 1 times [2022-11-23 15:09:05,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:09:05,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289332499] [2022-11-23 15:09:05,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:09:05,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:09:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:09:06,410 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:09:06,410 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:09:06,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289332499] [2022-11-23 15:09:06,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289332499] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:09:06,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:09:06,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:09:06,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012121614] [2022-11-23 15:09:06,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:09:06,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:09:06,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:09:06,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:09:06,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:09:06,414 INFO L87 Difference]: Start difference. First operand 3042 states and 4454 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-23 15:09:10,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:09:12,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:09:13,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:09:13,221 INFO L93 Difference]: Finished difference Result 3042 states and 4454 transitions. [2022-11-23 15:09:13,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:09:13,223 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, (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 [2022-11-23 15:09:13,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:09:13,245 INFO L225 Difference]: With dead ends: 3042 [2022-11-23 15:09:13,245 INFO L226 Difference]: Without dead ends: 3040 [2022-11-23 15:09:13,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:09:13,248 INFO L413 NwaCegarLoop]: 1960 mSDtfsCounter, 2228 mSDsluCounter, 1960 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2230 SdHoareTripleChecker+Valid, 3920 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:09:13,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2230 Valid, 3920 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-11-23 15:09:13,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3040 states. [2022-11-23 15:09:13,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3040 to 3040. [2022-11-23 15:09:13,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3040 states, 1777 states have (on average 1.2954417557681486) internal successors, (2302), 1876 states have internal predecessors, (2302), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-23 15:09:13,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3040 states to 3040 states and 4452 transitions. [2022-11-23 15:09:13,671 INFO L78 Accepts]: Start accepts. Automaton has 3040 states and 4452 transitions. Word has length 77 [2022-11-23 15:09:13,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:09:13,672 INFO L495 AbstractCegarLoop]: Abstraction has 3040 states and 4452 transitions. [2022-11-23 15:09:13,672 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-23 15:09:13,672 INFO L276 IsEmpty]: Start isEmpty. Operand 3040 states and 4452 transitions. [2022-11-23 15:09:13,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-23 15:09:13,675 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:09:13,675 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:09:13,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 15:09:13,676 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-23 15:09:13,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:09:13,677 INFO L85 PathProgramCache]: Analyzing trace with hash 885889559, now seen corresponding path program 1 times [2022-11-23 15:09:13,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:09:13,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929171751] [2022-11-23 15:09:13,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:09:13,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:09:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:09:14,150 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:09:14,151 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:09:14,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929171751] [2022-11-23 15:09:14,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929171751] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:09:14,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:09:14,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:09:14,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635401429] [2022-11-23 15:09:14,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:09:14,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:09:14,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:09:14,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:09:14,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:09:14,154 INFO L87 Difference]: Start difference. First operand 3040 states and 4452 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, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-23 15:09:18,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:09:19,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:09:21,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:09:21,159 INFO L93 Difference]: Finished difference Result 3040 states and 4452 transitions. [2022-11-23 15:09:21,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:09:21,161 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, (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 82 [2022-11-23 15:09:21,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:09:21,182 INFO L225 Difference]: With dead ends: 3040 [2022-11-23 15:09:21,182 INFO L226 Difference]: Without dead ends: 3038 [2022-11-23 15:09:21,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:09:21,186 INFO L413 NwaCegarLoop]: 1958 mSDtfsCounter, 2229 mSDsluCounter, 1954 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2231 SdHoareTripleChecker+Valid, 3912 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:09:21,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2231 Valid, 3912 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-11-23 15:09:21,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3038 states. [2022-11-23 15:09:21,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3038 to 3038. [2022-11-23 15:09:21,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3038 states, 1776 states have (on average 1.295045045045045) internal successors, (2300), 1874 states have internal predecessors, (2300), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-23 15:09:21,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3038 states to 3038 states and 4450 transitions. [2022-11-23 15:09:21,620 INFO L78 Accepts]: Start accepts. Automaton has 3038 states and 4450 transitions. Word has length 82 [2022-11-23 15:09:21,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:09:21,621 INFO L495 AbstractCegarLoop]: Abstraction has 3038 states and 4450 transitions. [2022-11-23 15:09:21,621 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, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-23 15:09:21,621 INFO L276 IsEmpty]: Start isEmpty. Operand 3038 states and 4450 transitions. [2022-11-23 15:09:21,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-23 15:09:21,623 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:09:21,623 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:09:21,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-23 15:09:21,624 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-23 15:09:21,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:09:21,625 INFO L85 PathProgramCache]: Analyzing trace with hash 936476378, now seen corresponding path program 1 times [2022-11-23 15:09:21,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:09:21,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424729673] [2022-11-23 15:09:21,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:09:21,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:09:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:09:22,080 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:09:22,080 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:09:22,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424729673] [2022-11-23 15:09:22,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424729673] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:09:22,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:09:22,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:09:22,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426396639] [2022-11-23 15:09:22,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:09:22,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:09:22,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:09:22,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:09:22,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:09:22,083 INFO L87 Difference]: Start difference. First operand 3038 states and 4450 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, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-23 15:09:27,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:09:28,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:09:28,578 INFO L93 Difference]: Finished difference Result 3038 states and 4450 transitions. [2022-11-23 15:09:28,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:09:28,580 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, (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 [2022-11-23 15:09:28,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:09:28,595 INFO L225 Difference]: With dead ends: 3038 [2022-11-23 15:09:28,595 INFO L226 Difference]: Without dead ends: 3036 [2022-11-23 15:09:28,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:09:28,598 INFO L413 NwaCegarLoop]: 1956 mSDtfsCounter, 2221 mSDsluCounter, 1956 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2223 SdHoareTripleChecker+Valid, 3912 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:09:28,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2223 Valid, 3912 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-11-23 15:09:28,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3036 states. [2022-11-23 15:09:28,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3036 to 3036. [2022-11-23 15:09:28,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3036 states, 1775 states have (on average 1.2946478873239438) internal successors, (2298), 1872 states have internal predecessors, (2298), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-23 15:09:28,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3036 states to 3036 states and 4448 transitions. [2022-11-23 15:09:28,976 INFO L78 Accepts]: Start accepts. Automaton has 3036 states and 4448 transitions. Word has length 84 [2022-11-23 15:09:28,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:09:28,979 INFO L495 AbstractCegarLoop]: Abstraction has 3036 states and 4448 transitions. [2022-11-23 15:09:28,980 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, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-23 15:09:28,980 INFO L276 IsEmpty]: Start isEmpty. Operand 3036 states and 4448 transitions. [2022-11-23 15:09:28,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-23 15:09:28,982 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:09:28,982 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:09:28,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-23 15:09:28,983 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-23 15:09:28,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:09:28,983 INFO L85 PathProgramCache]: Analyzing trace with hash 2006786076, now seen corresponding path program 1 times [2022-11-23 15:09:28,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:09:28,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074309013] [2022-11-23 15:09:28,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:09:28,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:09:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:09:29,435 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:09:29,435 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:09:29,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074309013] [2022-11-23 15:09:29,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074309013] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:09:29,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:09:29,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:09:29,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957738359] [2022-11-23 15:09:29,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:09:29,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:09:29,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:09:29,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:09:29,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:09:29,438 INFO L87 Difference]: Start difference. First operand 3036 states and 4448 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 15:09:33,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:09:34,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:09:36,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:09:36,201 INFO L93 Difference]: Finished difference Result 3036 states and 4448 transitions. [2022-11-23 15:09:36,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:09:36,207 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, (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 [2022-11-23 15:09:36,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:09:36,224 INFO L225 Difference]: With dead ends: 3036 [2022-11-23 15:09:36,224 INFO L226 Difference]: Without dead ends: 3034 [2022-11-23 15:09:36,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:09:36,228 INFO L413 NwaCegarLoop]: 1954 mSDtfsCounter, 2220 mSDsluCounter, 1954 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2222 SdHoareTripleChecker+Valid, 3908 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:09:36,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2222 Valid, 3908 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-11-23 15:09:36,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3034 states. [2022-11-23 15:09:36,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3034 to 3034. [2022-11-23 15:09:36,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3034 states, 1774 states have (on average 1.294250281848929) internal successors, (2296), 1870 states have internal predecessors, (2296), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-23 15:09:36,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3034 states to 3034 states and 4446 transitions. [2022-11-23 15:09:36,702 INFO L78 Accepts]: Start accepts. Automaton has 3034 states and 4446 transitions. Word has length 89 [2022-11-23 15:09:36,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:09:36,703 INFO L495 AbstractCegarLoop]: Abstraction has 3034 states and 4446 transitions. [2022-11-23 15:09:36,703 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 15:09:36,704 INFO L276 IsEmpty]: Start isEmpty. Operand 3034 states and 4446 transitions. [2022-11-23 15:09:36,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-23 15:09:36,709 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:09:36,709 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:09:36,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-23 15:09:36,710 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-23 15:09:36,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:09:36,710 INFO L85 PathProgramCache]: Analyzing trace with hash 999269741, now seen corresponding path program 1 times [2022-11-23 15:09:36,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:09:36,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304832305] [2022-11-23 15:09:36,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:09:36,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:09:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:09:37,284 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:09:37,284 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:09:37,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304832305] [2022-11-23 15:09:37,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304832305] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:09:37,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:09:37,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:09:37,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359040839] [2022-11-23 15:09:37,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:09:37,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:09:37,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:09:37,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:09:37,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:09:37,288 INFO L87 Difference]: Start difference. First operand 3034 states and 4446 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, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-23 15:09:41,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:09:43,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:09:43,607 INFO L93 Difference]: Finished difference Result 3034 states and 4446 transitions. [2022-11-23 15:09:43,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:09:43,608 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, (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 [2022-11-23 15:09:43,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:09:43,620 INFO L225 Difference]: With dead ends: 3034 [2022-11-23 15:09:43,621 INFO L226 Difference]: Without dead ends: 3032 [2022-11-23 15:09:43,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:09:43,623 INFO L413 NwaCegarLoop]: 1952 mSDtfsCounter, 2217 mSDsluCounter, 1952 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2219 SdHoareTripleChecker+Valid, 3904 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:09:43,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2219 Valid, 3904 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-11-23 15:09:43,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3032 states. [2022-11-23 15:09:43,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3032 to 3032. [2022-11-23 15:09:43,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3032 states, 1773 states have (on average 1.29385222786238) internal successors, (2294), 1868 states have internal predecessors, (2294), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-23 15:09:43,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3032 states to 3032 states and 4444 transitions. [2022-11-23 15:09:43,927 INFO L78 Accepts]: Start accepts. Automaton has 3032 states and 4444 transitions. Word has length 94 [2022-11-23 15:09:43,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:09:43,927 INFO L495 AbstractCegarLoop]: Abstraction has 3032 states and 4444 transitions. [2022-11-23 15:09:43,928 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, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-23 15:09:43,928 INFO L276 IsEmpty]: Start isEmpty. Operand 3032 states and 4444 transitions. [2022-11-23 15:09:43,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-23 15:09:43,930 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:09:43,930 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:09:43,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-23 15:09:43,931 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-23 15:09:43,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:09:43,931 INFO L85 PathProgramCache]: Analyzing trace with hash -2023613244, now seen corresponding path program 1 times [2022-11-23 15:09:43,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:09:43,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411947784] [2022-11-23 15:09:43,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:09:43,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:09:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:09:44,410 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:09:44,410 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:09:44,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411947784] [2022-11-23 15:09:44,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411947784] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:09:44,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:09:44,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:09:44,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024864627] [2022-11-23 15:09:44,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:09:44,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:09:44,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:09:44,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:09:44,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:09:44,414 INFO L87 Difference]: Start difference. First operand 3032 states and 4444 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-23 15:09:48,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:09:49,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:09:50,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:09:50,489 INFO L93 Difference]: Finished difference Result 3032 states and 4444 transitions. [2022-11-23 15:09:50,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:09:50,491 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, (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 [2022-11-23 15:09:50,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:09:50,506 INFO L225 Difference]: With dead ends: 3032 [2022-11-23 15:09:50,506 INFO L226 Difference]: Without dead ends: 3030 [2022-11-23 15:09:50,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:09:50,510 INFO L413 NwaCegarLoop]: 1950 mSDtfsCounter, 2214 mSDsluCounter, 1950 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2216 SdHoareTripleChecker+Valid, 3900 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:09:50,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2216 Valid, 3900 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-11-23 15:09:50,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2022-11-23 15:09:50,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 3030. [2022-11-23 15:09:50,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3030 states, 1772 states have (on average 1.2934537246049662) internal successors, (2292), 1866 states have internal predecessors, (2292), 1063 states have call successors, (1063), 182 states have call predecessors, (1063), 180 states have return successors, (1087), 1036 states have call predecessors, (1087), 1061 states have call successors, (1087) [2022-11-23 15:09:50,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 4442 transitions. [2022-11-23 15:09:50,994 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 4442 transitions. Word has length 99 [2022-11-23 15:09:50,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:09:50,995 INFO L495 AbstractCegarLoop]: Abstraction has 3030 states and 4442 transitions. [2022-11-23 15:09:50,995 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-23 15:09:50,996 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 4442 transitions. [2022-11-23 15:09:50,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-23 15:09:50,998 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:09:50,999 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:09:50,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-23 15:09:50,999 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-23 15:09:51,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:09:51,000 INFO L85 PathProgramCache]: Analyzing trace with hash 228226296, now seen corresponding path program 1 times [2022-11-23 15:09:51,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:09:51,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081188499] [2022-11-23 15:09:51,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:09:51,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:09:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:09:51,814 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-11-23 15:09:51,814 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:09:51,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081188499] [2022-11-23 15:09:51,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081188499] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:09:51,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:09:51,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:09:51,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670183616] [2022-11-23 15:09:51,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:09:51,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:09:51,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:09:51,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:09:51,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:09:51,820 INFO L87 Difference]: Start difference. First operand 3030 states and 4442 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-23 15:09:56,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:09:58,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:02,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:10:02,106 INFO L93 Difference]: Finished difference Result 3084 states and 4481 transitions. [2022-11-23 15:10:02,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:10:02,108 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 131 [2022-11-23 15:10:02,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:10:02,122 INFO L225 Difference]: With dead ends: 3084 [2022-11-23 15:10:02,123 INFO L226 Difference]: Without dead ends: 3082 [2022-11-23 15:10:02,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:10:02,126 INFO L413 NwaCegarLoop]: 1950 mSDtfsCounter, 1169 mSDsluCounter, 4852 mSDsCounter, 0 mSdLazyCounter, 987 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 6802 SdHoareTripleChecker+Invalid, 989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 987 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:10:02,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1170 Valid, 6802 Invalid, 989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 987 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2022-11-23 15:10:02,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3082 states. [2022-11-23 15:10:02,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3082 to 3082. [2022-11-23 15:10:02,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3082 states, 1798 states have (on average 1.2880978865406008) internal successors, (2316), 1891 states have internal predecessors, (2316), 1069 states have call successors, (1069), 203 states have call predecessors, (1069), 201 states have return successors, (1093), 1042 states have call predecessors, (1093), 1067 states have call successors, (1093) [2022-11-23 15:10:02,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3082 states to 3082 states and 4478 transitions. [2022-11-23 15:10:02,588 INFO L78 Accepts]: Start accepts. Automaton has 3082 states and 4478 transitions. Word has length 131 [2022-11-23 15:10:02,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:10:02,589 INFO L495 AbstractCegarLoop]: Abstraction has 3082 states and 4478 transitions. [2022-11-23 15:10:02,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-23 15:10:02,589 INFO L276 IsEmpty]: Start isEmpty. Operand 3082 states and 4478 transitions. [2022-11-23 15:10:02,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-23 15:10:02,591 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:10:02,592 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:10:02,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-23 15:10:02,593 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-23 15:10:02,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:10:02,594 INFO L85 PathProgramCache]: Analyzing trace with hash 662720905, now seen corresponding path program 1 times [2022-11-23 15:10:02,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:10:02,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041792834] [2022-11-23 15:10:02,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:10:02,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:10:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:10:03,012 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:10:03,012 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:10:03,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041792834] [2022-11-23 15:10:03,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041792834] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:10:03,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:10:03,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:10:03,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523392445] [2022-11-23 15:10:03,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:10:03,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:10:03,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:10:03,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:10:03,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:10:03,015 INFO L87 Difference]: Start difference. First operand 3082 states and 4478 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, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-23 15:10:07,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:09,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:10,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:10:10,398 INFO L93 Difference]: Finished difference Result 3082 states and 4478 transitions. [2022-11-23 15:10:10,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:10:10,399 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, (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 [2022-11-23 15:10:10,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:10:10,413 INFO L225 Difference]: With dead ends: 3082 [2022-11-23 15:10:10,413 INFO L226 Difference]: Without dead ends: 3080 [2022-11-23 15:10:10,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:10:10,416 INFO L413 NwaCegarLoop]: 1946 mSDtfsCounter, 2209 mSDsluCounter, 1946 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2211 SdHoareTripleChecker+Valid, 3892 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:10:10,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2211 Valid, 3892 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 584 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2022-11-23 15:10:10,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3080 states. [2022-11-23 15:10:10,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3080 to 3080. [2022-11-23 15:10:10,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3080 states, 1797 states have (on average 1.2877017250973846) internal successors, (2314), 1889 states have internal predecessors, (2314), 1069 states have call successors, (1069), 203 states have call predecessors, (1069), 201 states have return successors, (1093), 1042 states have call predecessors, (1093), 1067 states have call successors, (1093) [2022-11-23 15:10:10,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3080 states to 3080 states and 4476 transitions. [2022-11-23 15:10:10,869 INFO L78 Accepts]: Start accepts. Automaton has 3080 states and 4476 transitions. Word has length 104 [2022-11-23 15:10:10,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:10:10,872 INFO L495 AbstractCegarLoop]: Abstraction has 3080 states and 4476 transitions. [2022-11-23 15:10:10,872 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, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-23 15:10:10,872 INFO L276 IsEmpty]: Start isEmpty. Operand 3080 states and 4476 transitions. [2022-11-23 15:10:10,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-23 15:10:10,876 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:10:10,876 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:10:10,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-23 15:10:10,876 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-23 15:10:10,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:10:10,877 INFO L85 PathProgramCache]: Analyzing trace with hash 2044117402, now seen corresponding path program 1 times [2022-11-23 15:10:10,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:10:10,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891559422] [2022-11-23 15:10:10,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:10:10,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:10:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:10:12,883 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-11-23 15:10:12,883 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:10:12,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891559422] [2022-11-23 15:10:12,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891559422] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:10:12,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647198187] [2022-11-23 15:10:12,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:10:12,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:10:12,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:10:12,891 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:10:12,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:10:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:10:14,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 3278 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-23 15:10:14,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:10:14,553 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-11-23 15:10:14,553 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:10:14,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647198187] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:10:14,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:10:14,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 17 [2022-11-23 15:10:14,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102713407] [2022-11-23 15:10:14,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:10:14,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:10:14,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:10:14,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:10:14,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2022-11-23 15:10:14,556 INFO L87 Difference]: Start difference. First operand 3080 states and 4476 transitions. Second operand has 12 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2022-11-23 15:10:28,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:35,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:10:35,227 INFO L93 Difference]: Finished difference Result 6950 states and 10240 transitions. [2022-11-23 15:10:35,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-23 15:10:35,228 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) Word has length 120 [2022-11-23 15:10:35,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:10:35,250 INFO L225 Difference]: With dead ends: 6950 [2022-11-23 15:10:35,250 INFO L226 Difference]: Without dead ends: 3884 [2022-11-23 15:10:35,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2022-11-23 15:10:35,272 INFO L413 NwaCegarLoop]: 2489 mSDtfsCounter, 946 mSDsluCounter, 23607 mSDsCounter, 0 mSdLazyCounter, 4412 mSolverCounterSat, 529 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 948 SdHoareTripleChecker+Valid, 26096 SdHoareTripleChecker+Invalid, 4942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 529 IncrementalHoareTripleChecker+Valid, 4412 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:10:35,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [948 Valid, 26096 Invalid, 4942 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [529 Valid, 4412 Invalid, 1 Unknown, 0 Unchecked, 19.5s Time] [2022-11-23 15:10:35,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3884 states. [2022-11-23 15:10:35,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3884 to 3108. [2022-11-23 15:10:35,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3108 states, 1815 states have (on average 1.284848484848485) internal successors, (2332), 1907 states have internal predecessors, (2332), 1077 states have call successors, (1077), 203 states have call predecessors, (1077), 203 states have return successors, (1105), 1052 states have call predecessors, (1105), 1075 states have call successors, (1105) [2022-11-23 15:10:35,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3108 states to 3108 states and 4514 transitions. [2022-11-23 15:10:35,931 INFO L78 Accepts]: Start accepts. Automaton has 3108 states and 4514 transitions. Word has length 120 [2022-11-23 15:10:35,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:10:35,932 INFO L495 AbstractCegarLoop]: Abstraction has 3108 states and 4514 transitions. [2022-11-23 15:10:35,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2022-11-23 15:10:35,932 INFO L276 IsEmpty]: Start isEmpty. Operand 3108 states and 4514 transitions. [2022-11-23 15:10:35,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-23 15:10:35,934 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:10:35,935 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:10:35,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 15:10:36,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-23 15:10:36,148 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-23 15:10:36,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:10:36,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1582167585, now seen corresponding path program 1 times [2022-11-23 15:10:36,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:10:36,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599148454] [2022-11-23 15:10:36,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:10:36,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:10:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:10:36,607 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:10:36,607 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:10:36,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599148454] [2022-11-23 15:10:36,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599148454] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:10:36,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:10:36,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:10:36,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356232923] [2022-11-23 15:10:36,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:10:36,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:10:36,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:10:36,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:10:36,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:10:36,611 INFO L87 Difference]: Start difference. First operand 3108 states and 4514 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, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-23 15:10:40,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:42,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:10:44,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:10:44,108 INFO L93 Difference]: Finished difference Result 3108 states and 4514 transitions. [2022-11-23 15:10:44,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:10:44,109 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, (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 [2022-11-23 15:10:44,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:10:44,121 INFO L225 Difference]: With dead ends: 3108 [2022-11-23 15:10:44,121 INFO L226 Difference]: Without dead ends: 3106 [2022-11-23 15:10:44,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:10:44,125 INFO L413 NwaCegarLoop]: 1944 mSDtfsCounter, 2206 mSDsluCounter, 1944 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2208 SdHoareTripleChecker+Valid, 3888 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:10:44,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2208 Valid, 3888 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 584 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2022-11-23 15:10:44,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3106 states. [2022-11-23 15:10:44,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3106 to 3106. [2022-11-23 15:10:44,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3106 states, 1814 states have (on average 1.2844542447629548) internal successors, (2330), 1905 states have internal predecessors, (2330), 1077 states have call successors, (1077), 203 states have call predecessors, (1077), 203 states have return successors, (1105), 1052 states have call predecessors, (1105), 1075 states have call successors, (1105) [2022-11-23 15:10:44,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3106 states to 3106 states and 4512 transitions. [2022-11-23 15:10:44,568 INFO L78 Accepts]: Start accepts. Automaton has 3106 states and 4512 transitions. Word has length 109 [2022-11-23 15:10:44,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:10:44,569 INFO L495 AbstractCegarLoop]: Abstraction has 3106 states and 4512 transitions. [2022-11-23 15:10:44,569 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, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-23 15:10:44,569 INFO L276 IsEmpty]: Start isEmpty. Operand 3106 states and 4512 transitions. [2022-11-23 15:10:44,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-23 15:10:44,572 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:10:44,572 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:10:44,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-23 15:10:44,572 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-23 15:10:44,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:10:44,573 INFO L85 PathProgramCache]: Analyzing trace with hash -40334248, now seen corresponding path program 1 times [2022-11-23 15:10:44,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:10:44,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673911354] [2022-11-23 15:10:44,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:10:44,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:10:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:10:46,515 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-11-23 15:10:46,516 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:10:46,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673911354] [2022-11-23 15:10:46,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673911354] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:10:46,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480720029] [2022-11-23 15:10:46,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:10:46,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:10:46,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:10:46,518 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:10:46,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 15:10:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:10:47,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 3284 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-23 15:10:47,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:10:48,247 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-11-23 15:10:48,247 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:10:48,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480720029] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:10:48,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:10:48,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [9] total 18 [2022-11-23 15:10:48,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296817604] [2022-11-23 15:10:48,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:10:48,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:10:48,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:10:48,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:10:48,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2022-11-23 15:10:48,250 INFO L87 Difference]: Start difference. First operand 3106 states and 4512 transitions. Second operand has 13 states, 10 states have (on average 5.2) internal successors, (52), 11 states have internal predecessors, (52), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2022-11-23 15:11:03,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:11,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:11:11,403 INFO L93 Difference]: Finished difference Result 7031 states and 10355 transitions. [2022-11-23 15:11:11,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-23 15:11:11,405 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 5.2) internal successors, (52), 11 states have internal predecessors, (52), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) Word has length 122 [2022-11-23 15:11:11,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:11:11,423 INFO L225 Difference]: With dead ends: 7031 [2022-11-23 15:11:11,423 INFO L226 Difference]: Without dead ends: 3939 [2022-11-23 15:11:11,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-11-23 15:11:11,441 INFO L413 NwaCegarLoop]: 2506 mSDtfsCounter, 956 mSDsluCounter, 26245 mSDsCounter, 0 mSdLazyCounter, 4846 mSolverCounterSat, 534 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 963 SdHoareTripleChecker+Valid, 28751 SdHoareTripleChecker+Invalid, 5381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 534 IncrementalHoareTripleChecker+Valid, 4846 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:11:11,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [963 Valid, 28751 Invalid, 5381 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [534 Valid, 4846 Invalid, 1 Unknown, 0 Unchecked, 21.9s Time] [2022-11-23 15:11:11,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3939 states. [2022-11-23 15:11:12,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3939 to 3123. [2022-11-23 15:11:12,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3123 states, 1825 states have (on average 1.2827397260273972) internal successors, (2341), 1917 states have internal predecessors, (2341), 1082 states have call successors, (1082), 203 states have call predecessors, (1082), 204 states have return successors, (1114), 1057 states have call predecessors, (1114), 1080 states have call successors, (1114) [2022-11-23 15:11:12,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3123 states to 3123 states and 4537 transitions. [2022-11-23 15:11:12,055 INFO L78 Accepts]: Start accepts. Automaton has 3123 states and 4537 transitions. Word has length 122 [2022-11-23 15:11:12,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:11:12,056 INFO L495 AbstractCegarLoop]: Abstraction has 3123 states and 4537 transitions. [2022-11-23 15:11:12,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 5.2) internal successors, (52), 11 states have internal predecessors, (52), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2022-11-23 15:11:12,056 INFO L276 IsEmpty]: Start isEmpty. Operand 3123 states and 4537 transitions. [2022-11-23 15:11:12,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-23 15:11:12,058 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:11:12,059 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:11:12,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 15:11:12,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:11:12,272 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-23 15:11:12,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:11:12,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1814904492, now seen corresponding path program 1 times [2022-11-23 15:11:12,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:11:12,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090513603] [2022-11-23 15:11:12,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:11:12,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:11:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:11:12,691 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:11:12,692 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:11:12,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090513603] [2022-11-23 15:11:12,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090513603] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:11:12,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:11:12,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:11:12,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587032285] [2022-11-23 15:11:12,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:11:12,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:11:12,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:11:12,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:11:12,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:11:12,695 INFO L87 Difference]: Start difference. First operand 3123 states and 4537 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, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-23 15:11:17,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:18,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:11:18,655 INFO L93 Difference]: Finished difference Result 3131 states and 4547 transitions. [2022-11-23 15:11:18,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:11:18,656 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, (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 [2022-11-23 15:11:18,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:11:18,664 INFO L225 Difference]: With dead ends: 3131 [2022-11-23 15:11:18,664 INFO L226 Difference]: Without dead ends: 3129 [2022-11-23 15:11:18,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:11:18,666 INFO L413 NwaCegarLoop]: 1967 mSDtfsCounter, 2202 mSDsluCounter, 2051 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2206 SdHoareTripleChecker+Valid, 4018 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:11:18,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2206 Valid, 4018 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 599 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-11-23 15:11:18,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3129 states. [2022-11-23 15:11:19,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3129 to 3121. [2022-11-23 15:11:19,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3121 states, 1824 states have (on average 1.2823464912280702) internal successors, (2339), 1915 states have internal predecessors, (2339), 1082 states have call successors, (1082), 203 states have call predecessors, (1082), 204 states have return successors, (1114), 1057 states have call predecessors, (1114), 1080 states have call successors, (1114) [2022-11-23 15:11:19,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3121 states to 3121 states and 4535 transitions. [2022-11-23 15:11:19,262 INFO L78 Accepts]: Start accepts. Automaton has 3121 states and 4535 transitions. Word has length 114 [2022-11-23 15:11:19,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:11:19,263 INFO L495 AbstractCegarLoop]: Abstraction has 3121 states and 4535 transitions. [2022-11-23 15:11:19,263 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, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-23 15:11:19,264 INFO L276 IsEmpty]: Start isEmpty. Operand 3121 states and 4535 transitions. [2022-11-23 15:11:19,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-23 15:11:19,267 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:11:19,267 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:11:19,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-23 15:11:19,267 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-23 15:11:19,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:11:19,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1443414518, now seen corresponding path program 1 times [2022-11-23 15:11:19,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:11:19,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707606833] [2022-11-23 15:11:19,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:11:19,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:11:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:11:20,022 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:11:20,022 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:11:20,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707606833] [2022-11-23 15:11:20,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707606833] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:11:20,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:11:20,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:11:20,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913900662] [2022-11-23 15:11:20,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:11:20,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:11:20,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:11:20,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:11:20,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:11:20,025 INFO L87 Difference]: Start difference. First operand 3121 states and 4535 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, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-23 15:11:23,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:25,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:11:25,953 INFO L93 Difference]: Finished difference Result 3121 states and 4535 transitions. [2022-11-23 15:11:25,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:11:25,955 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, (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 [2022-11-23 15:11:25,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:11:25,962 INFO L225 Difference]: With dead ends: 3121 [2022-11-23 15:11:25,962 INFO L226 Difference]: Without dead ends: 3119 [2022-11-23 15:11:25,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:11:25,964 INFO L413 NwaCegarLoop]: 1940 mSDtfsCounter, 2200 mSDsluCounter, 1940 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2202 SdHoareTripleChecker+Valid, 3880 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:11:25,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2202 Valid, 3880 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-11-23 15:11:25,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3119 states. [2022-11-23 15:11:26,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3119 to 3119. [2022-11-23 15:11:26,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3119 states, 1823 states have (on average 1.2819528250137135) internal successors, (2337), 1913 states have internal predecessors, (2337), 1082 states have call successors, (1082), 203 states have call predecessors, (1082), 204 states have return successors, (1114), 1057 states have call predecessors, (1114), 1080 states have call successors, (1114) [2022-11-23 15:11:26,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3119 states to 3119 states and 4533 transitions. [2022-11-23 15:11:26,606 INFO L78 Accepts]: Start accepts. Automaton has 3119 states and 4533 transitions. Word has length 119 [2022-11-23 15:11:26,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:11:26,606 INFO L495 AbstractCegarLoop]: Abstraction has 3119 states and 4533 transitions. [2022-11-23 15:11:26,606 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, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-23 15:11:26,607 INFO L276 IsEmpty]: Start isEmpty. Operand 3119 states and 4533 transitions. [2022-11-23 15:11:26,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-23 15:11:26,609 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:11:26,609 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:11:26,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-23 15:11:26,609 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-23 15:11:26,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:11:26,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1435875154, now seen corresponding path program 1 times [2022-11-23 15:11:26,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:11:26,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421131710] [2022-11-23 15:11:26,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:11:26,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:11:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:11:26,980 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:11:26,980 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:11:26,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421131710] [2022-11-23 15:11:26,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421131710] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:11:26,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:11:26,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:11:26,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845655924] [2022-11-23 15:11:26,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:11:26,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:11:26,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:11:26,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:11:26,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:11:26,983 INFO L87 Difference]: Start difference. First operand 3119 states and 4533 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, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 15:11:31,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:32,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:11:32,441 INFO L93 Difference]: Finished difference Result 3127 states and 4543 transitions. [2022-11-23 15:11:32,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:11:32,444 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, (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 [2022-11-23 15:11:32,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:11:32,451 INFO L225 Difference]: With dead ends: 3127 [2022-11-23 15:11:32,451 INFO L226 Difference]: Without dead ends: 3125 [2022-11-23 15:11:32,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:11:32,453 INFO L413 NwaCegarLoop]: 1963 mSDtfsCounter, 2196 mSDsluCounter, 2047 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2200 SdHoareTripleChecker+Valid, 4010 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:11:32,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2200 Valid, 4010 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 599 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-11-23 15:11:32,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3125 states. [2022-11-23 15:11:32,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3125 to 3117. [2022-11-23 15:11:32,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3117 states, 1822 states have (on average 1.2815587266739847) internal successors, (2335), 1911 states have internal predecessors, (2335), 1082 states have call successors, (1082), 203 states have call predecessors, (1082), 204 states have return successors, (1114), 1057 states have call predecessors, (1114), 1080 states have call successors, (1114) [2022-11-23 15:11:32,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 3117 states and 4531 transitions. [2022-11-23 15:11:32,996 INFO L78 Accepts]: Start accepts. Automaton has 3117 states and 4531 transitions. Word has length 124 [2022-11-23 15:11:32,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:11:32,997 INFO L495 AbstractCegarLoop]: Abstraction has 3117 states and 4531 transitions. [2022-11-23 15:11:32,997 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, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-23 15:11:32,997 INFO L276 IsEmpty]: Start isEmpty. Operand 3117 states and 4531 transitions. [2022-11-23 15:11:32,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-23 15:11:32,999 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:11:32,999 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:11:32,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-23 15:11:33,000 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-23 15:11:33,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:11:33,000 INFO L85 PathProgramCache]: Analyzing trace with hash -882915071, now seen corresponding path program 1 times [2022-11-23 15:11:33,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:11:33,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003638400] [2022-11-23 15:11:33,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:11:33,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:11:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:11:33,357 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:11:33,357 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:11:33,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003638400] [2022-11-23 15:11:33,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003638400] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:11:33,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:11:33,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:11:33,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452335327] [2022-11-23 15:11:33,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:11:33,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:11:33,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:11:33,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:11:33,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:11:33,360 INFO L87 Difference]: Start difference. First operand 3117 states and 4531 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, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-23 15:11:36,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:38,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:39,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:11:39,650 INFO L93 Difference]: Finished difference Result 3117 states and 4531 transitions. [2022-11-23 15:11:39,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:11:39,652 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, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 129 [2022-11-23 15:11:39,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:11:39,658 INFO L225 Difference]: With dead ends: 3117 [2022-11-23 15:11:39,658 INFO L226 Difference]: Without dead ends: 3115 [2022-11-23 15:11:39,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:11:39,660 INFO L413 NwaCegarLoop]: 1936 mSDtfsCounter, 2194 mSDsluCounter, 1936 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2196 SdHoareTripleChecker+Valid, 3872 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:11:39,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2196 Valid, 3872 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-11-23 15:11:39,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3115 states. [2022-11-23 15:11:40,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3115 to 3115. [2022-11-23 15:11:40,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3115 states, 1821 states have (on average 1.2811641954969797) internal successors, (2333), 1909 states have internal predecessors, (2333), 1082 states have call successors, (1082), 203 states have call predecessors, (1082), 204 states have return successors, (1114), 1057 states have call predecessors, (1114), 1080 states have call successors, (1114) [2022-11-23 15:11:40,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3115 states to 3115 states and 4529 transitions. [2022-11-23 15:11:40,172 INFO L78 Accepts]: Start accepts. Automaton has 3115 states and 4529 transitions. Word has length 129 [2022-11-23 15:11:40,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:11:40,173 INFO L495 AbstractCegarLoop]: Abstraction has 3115 states and 4529 transitions. [2022-11-23 15:11:40,173 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, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-23 15:11:40,173 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 4529 transitions. [2022-11-23 15:11:40,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-23 15:11:40,175 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:11:40,175 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:11:40,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-23 15:11:40,176 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-23 15:11:40,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:11:40,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1037231758, now seen corresponding path program 1 times [2022-11-23 15:11:40,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:11:40,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19295865] [2022-11-23 15:11:40,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:11:40,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:11:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:11:40,520 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:11:40,520 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:11:40,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19295865] [2022-11-23 15:11:40,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19295865] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:11:40,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:11:40,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:11:40,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491758286] [2022-11-23 15:11:40,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:11:40,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:11:40,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:11:40,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:11:40,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:11:40,523 INFO L87 Difference]: Start difference. First operand 3115 states and 4529 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-23 15:11:44,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:11:45,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:11:45,945 INFO L93 Difference]: Finished difference Result 3115 states and 4529 transitions. [2022-11-23 15:11:45,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:11:45,946 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 134 [2022-11-23 15:11:45,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:11:45,955 INFO L225 Difference]: With dead ends: 3115 [2022-11-23 15:11:45,956 INFO L226 Difference]: Without dead ends: 3113 [2022-11-23 15:11:45,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:11:45,957 INFO L413 NwaCegarLoop]: 1934 mSDtfsCounter, 2191 mSDsluCounter, 1934 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2193 SdHoareTripleChecker+Valid, 3868 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:11:45,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2193 Valid, 3868 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-23 15:11:45,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3113 states. [2022-11-23 15:11:46,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3113 to 3113. [2022-11-23 15:11:46,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3113 states, 1820 states have (on average 1.2807692307692307) internal successors, (2331), 1907 states have internal predecessors, (2331), 1082 states have call successors, (1082), 203 states have call predecessors, (1082), 204 states have return successors, (1114), 1057 states have call predecessors, (1114), 1080 states have call successors, (1114) [2022-11-23 15:11:46,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3113 states to 3113 states and 4527 transitions. [2022-11-23 15:11:46,437 INFO L78 Accepts]: Start accepts. Automaton has 3113 states and 4527 transitions. Word has length 134 [2022-11-23 15:11:46,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:11:46,437 INFO L495 AbstractCegarLoop]: Abstraction has 3113 states and 4527 transitions. [2022-11-23 15:11:46,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-23 15:11:46,437 INFO L276 IsEmpty]: Start isEmpty. Operand 3113 states and 4527 transitions. [2022-11-23 15:11:46,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-23 15:11:46,439 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:11:46,440 INFO L195 NwaCegarLoop]: trace histogram [8, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:11:46,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-23 15:11:46,440 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-23 15:11:46,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:11:46,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1231584699, now seen corresponding path program 1 times [2022-11-23 15:11:46,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:11:46,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930001532] [2022-11-23 15:11:46,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:11:46,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:11:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:11:47,295 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2022-11-23 15:11:47,295 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:11:47,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930001532] [2022-11-23 15:11:47,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930001532] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:11:47,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715722269] [2022-11-23 15:11:47,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:11:47,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:11:47,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:11:47,297 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:11:47,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62009d23-6679-46d5-8ed9-c8930a850178/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 15:11:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:11:48,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 3497 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-23 15:11:48,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:11:48,592 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 84 proven. 8 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-23 15:11:48,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:11:48,993 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2022-11-23 15:11:48,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715722269] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:11:48,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [369843894] [2022-11-23 15:11:49,021 INFO L159 IcfgInterpreter]: Started Sifa with 86 locations of interest [2022-11-23 15:11:49,021 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:11:49,025 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:11:49,031 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:11:49,032 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:14:00,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 15:14:00,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:14:27,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,334 INFO L217 Elim1Store]: Index analysis took 171 ms [2022-11-23 15:14:27,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:14:27,431 INFO L321 Elim1Store]: treesize reduction 44, result has 37.1 percent of original size [2022-11-23 15:14:27,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 92 select indices, 92 select index equivalence classes, 1489 disjoint index pairs (out of 4186 index pairs), introduced 92 new quantified variables, introduced 3 case distinctions, treesize of input 834 treesize of output 1110 [2022-11-23 15:14:27,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-23 15:14:27,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:27,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-23 15:14:28,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,260 INFO L217 Elim1Store]: Index analysis took 187 ms [2022-11-23 15:14:28,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:28,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:14:28,376 INFO L321 Elim1Store]: treesize reduction 36, result has 48.6 percent of original size [2022-11-23 15:14:28,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 92 select indices, 92 select index equivalence classes, 1489 disjoint index pairs (out of 4186 index pairs), introduced 92 new quantified variables, introduced 3 case distinctions, treesize of input 834 treesize of output 1118 [2022-11-23 15:14:29,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,334 INFO L217 Elim1Store]: Index analysis took 246 ms [2022-11-23 15:14:29,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:14:29,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:29,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:30,810 INFO L321 Elim1Store]: treesize reduction 624, result has 40.8 percent of original size [2022-11-23 15:14:30,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 181 select indices, 181 select index equivalence classes, 1040 disjoint index pairs (out of 16290 index pairs), introduced 181 new quantified variables, introduced 39 case distinctions, treesize of input 1373 treesize of output 2057 [2022-11-23 15:14:32,214 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 43