./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--net--ethernet--dec--tulip--dmfe.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 112291a0afbd95f38753698288bc21e678f8fc599868e66751c5bf984ca2e210 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 17:02:13,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 17:02:13,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 17:02:13,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 17:02:13,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 17:02:13,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 17:02:13,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 17:02:13,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 17:02:13,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 17:02:13,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 17:02:13,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 17:02:13,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 17:02:13,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 17:02:13,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 17:02:13,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 17:02:13,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 17:02:13,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 17:02:13,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 17:02:13,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 17:02:13,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 17:02:13,104 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 17:02:13,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 17:02:13,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 17:02:13,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 17:02:13,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 17:02:13,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 17:02:13,111 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 17:02:13,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 17:02:13,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 17:02:13,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 17:02:13,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 17:02:13,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 17:02:13,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 17:02:13,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 17:02:13,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 17:02:13,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 17:02:13,115 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 17:02:13,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 17:02:13,116 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 17:02:13,116 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 17:02:13,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 17:02:13,122 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 17:02:13,123 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 17:02:13,148 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 17:02:13,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 17:02:13,149 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 17:02:13,149 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 17:02:13,150 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 17:02:13,150 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 17:02:13,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 17:02:13,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 17:02:13,151 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 17:02:13,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 17:02:13,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 17:02:13,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 17:02:13,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 17:02:13,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 17:02:13,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 17:02:13,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 17:02:13,153 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 17:02:13,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 17:02:13,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 17:02:13,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 17:02:13,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 17:02:13,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 17:02:13,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 17:02:13,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 17:02:13,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 17:02:13,155 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 17:02:13,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 17:02:13,155 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 17:02:13,155 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 17:02:13,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 17:02:13,156 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112291a0afbd95f38753698288bc21e678f8fc599868e66751c5bf984ca2e210 [2022-07-12 17:02:13,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 17:02:13,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 17:02:13,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 17:02:13,402 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 17:02:13,403 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 17:02:13,404 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i [2022-07-12 17:02:13,467 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfc9b0ec6/f28fc38fe02f4b4d92d754d334993a57/FLAGc2482760f [2022-07-12 17:02:14,226 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 17:02:14,227 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i [2022-07-12 17:02:14,277 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfc9b0ec6/f28fc38fe02f4b4d92d754d334993a57/FLAGc2482760f [2022-07-12 17:02:14,303 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfc9b0ec6/f28fc38fe02f4b4d92d754d334993a57 [2022-07-12 17:02:14,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 17:02:14,306 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 17:02:14,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 17:02:14,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 17:02:14,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 17:02:14,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 05:02:14" (1/1) ... [2022-07-12 17:02:14,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ad6e79f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:02:14, skipping insertion in model container [2022-07-12 17:02:14,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 05:02:14" (1/1) ... [2022-07-12 17:02:14,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 17:02:14,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 17:02:17,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399219,399232] [2022-07-12 17:02:17,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399364,399377] [2022-07-12 17:02:17,423 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399510,399523] [2022-07-12 17:02:17,423 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399675,399688] [2022-07-12 17:02:17,426 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399833,399846] [2022-07-12 17:02:17,427 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399991,400004] [2022-07-12 17:02:17,428 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400149,400162] [2022-07-12 17:02:17,428 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400309,400322] [2022-07-12 17:02:17,432 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400468,400481] [2022-07-12 17:02:17,432 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400607,400620] [2022-07-12 17:02:17,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400749,400762] [2022-07-12 17:02:17,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400898,400911] [2022-07-12 17:02:17,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401037,401050] [2022-07-12 17:02:17,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401192,401205] [2022-07-12 17:02:17,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401352,401365] [2022-07-12 17:02:17,435 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401503,401516] [2022-07-12 17:02:17,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401654,401667] [2022-07-12 17:02:17,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401806,401819] [2022-07-12 17:02:17,437 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401955,401968] [2022-07-12 17:02:17,437 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402103,402116] [2022-07-12 17:02:17,438 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402260,402273] [2022-07-12 17:02:17,438 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402409,402422] [2022-07-12 17:02:17,439 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402565,402578] [2022-07-12 17:02:17,439 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402718,402731] [2022-07-12 17:02:17,443 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402864,402877] [2022-07-12 17:02:17,443 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403007,403020] [2022-07-12 17:02:17,444 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403159,403172] [2022-07-12 17:02:17,444 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403305,403318] [2022-07-12 17:02:17,444 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403450,403463] [2022-07-12 17:02:17,444 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403604,403617] [2022-07-12 17:02:17,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403755,403768] [2022-07-12 17:02:17,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403910,403923] [2022-07-12 17:02:17,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404062,404075] [2022-07-12 17:02:17,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404217,404230] [2022-07-12 17:02:17,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404381,404394] [2022-07-12 17:02:17,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404537,404550] [2022-07-12 17:02:17,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404701,404714] [2022-07-12 17:02:17,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404843,404856] [2022-07-12 17:02:17,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405001,405014] [2022-07-12 17:02:17,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405168,405181] [2022-07-12 17:02:17,447 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405327,405340] [2022-07-12 17:02:17,447 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405486,405499] [2022-07-12 17:02:17,447 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405635,405648] [2022-07-12 17:02:17,447 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405782,405795] [2022-07-12 17:02:17,447 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405921,405934] [2022-07-12 17:02:17,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406084,406097] [2022-07-12 17:02:17,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406250,406263] [2022-07-12 17:02:17,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406414,406427] [2022-07-12 17:02:17,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406579,406592] [2022-07-12 17:02:17,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406744,406757] [2022-07-12 17:02:17,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406910,406923] [2022-07-12 17:02:17,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407075,407088] [2022-07-12 17:02:17,456 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407242,407255] [2022-07-12 17:02:17,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407402,407415] [2022-07-12 17:02:17,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407564,407577] [2022-07-12 17:02:17,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407723,407736] [2022-07-12 17:02:17,458 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407869,407882] [2022-07-12 17:02:17,458 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408012,408025] [2022-07-12 17:02:17,458 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408156,408169] [2022-07-12 17:02:17,459 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408299,408312] [2022-07-12 17:02:17,460 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408443,408456] [2022-07-12 17:02:17,460 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408584,408597] [2022-07-12 17:02:17,461 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408722,408735] [2022-07-12 17:02:17,461 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408880,408893] [2022-07-12 17:02:17,462 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409039,409052] [2022-07-12 17:02:17,462 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409195,409208] [2022-07-12 17:02:17,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409344,409357] [2022-07-12 17:02:17,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409496,409509] [2022-07-12 17:02:17,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409647,409660] [2022-07-12 17:02:17,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409796,409809] [2022-07-12 17:02:17,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409948,409961] [2022-07-12 17:02:17,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410096,410109] [2022-07-12 17:02:17,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410249,410262] [2022-07-12 17:02:17,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410400,410413] [2022-07-12 17:02:17,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410550,410563] [2022-07-12 17:02:17,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410697,410710] [2022-07-12 17:02:17,466 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410848,410861] [2022-07-12 17:02:17,466 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410999,411012] [2022-07-12 17:02:17,466 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411147,411160] [2022-07-12 17:02:17,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411313,411326] [2022-07-12 17:02:17,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411482,411495] [2022-07-12 17:02:17,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411649,411662] [2022-07-12 17:02:17,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411817,411830] [2022-07-12 17:02:17,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411967,411980] [2022-07-12 17:02:17,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412114,412127] [2022-07-12 17:02:17,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412275,412288] [2022-07-12 17:02:17,470 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412445,412458] [2022-07-12 17:02:17,470 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412607,412620] [2022-07-12 17:02:17,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 17:02:17,546 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 17:02:17,656 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: pci_pmr = pci_pmr & 458752U [7135] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-12 17:02:17,667 INFO L158 Benchmark]: Toolchain (without parser) took 3357.13ms. Allocated memory was 132.1MB in the beginning and 203.4MB in the end (delta: 71.3MB). Free memory was 99.1MB in the beginning and 106.8MB in the end (delta: -7.8MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. [2022-07-12 17:02:17,668 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 92.3MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 17:02:17,668 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3355.70ms. Allocated memory was 132.1MB in the beginning and 203.4MB in the end (delta: 71.3MB). Free memory was 99.1MB in the beginning and 106.8MB in the end (delta: -7.8MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. [2022-07-12 17:02:17,670 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 92.3MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3355.70ms. Allocated memory was 132.1MB in the beginning and 203.4MB in the end (delta: 71.3MB). Free memory was 99.1MB in the beginning and 106.8MB in the end (delta: -7.8MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: pci_pmr = pci_pmr & 458752U [7135] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: pci_pmr = pci_pmr & 458752U [7135]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 112291a0afbd95f38753698288bc21e678f8fc599868e66751c5bf984ca2e210 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 17:02:19,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 17:02:19,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 17:02:19,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 17:02:19,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 17:02:19,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 17:02:19,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 17:02:19,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 17:02:19,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 17:02:19,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 17:02:19,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 17:02:19,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 17:02:19,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 17:02:19,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 17:02:19,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 17:02:19,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 17:02:19,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 17:02:19,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 17:02:19,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 17:02:19,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 17:02:19,329 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 17:02:19,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 17:02:19,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 17:02:19,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 17:02:19,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 17:02:19,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 17:02:19,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 17:02:19,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 17:02:19,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 17:02:19,336 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 17:02:19,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 17:02:19,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 17:02:19,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 17:02:19,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 17:02:19,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 17:02:19,339 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 17:02:19,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 17:02:19,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 17:02:19,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 17:02:19,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 17:02:19,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 17:02:19,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 17:02:19,347 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 17:02:19,371 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 17:02:19,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 17:02:19,372 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 17:02:19,372 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 17:02:19,372 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 17:02:19,372 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 17:02:19,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 17:02:19,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 17:02:19,373 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 17:02:19,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 17:02:19,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 17:02:19,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 17:02:19,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 17:02:19,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 17:02:19,375 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 17:02:19,375 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 17:02:19,375 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 17:02:19,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 17:02:19,375 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 17:02:19,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 17:02:19,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 17:02:19,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 17:02:19,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 17:02:19,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 17:02:19,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 17:02:19,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 17:02:19,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 17:02:19,377 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 17:02:19,377 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 17:02:19,377 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 17:02:19,378 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 17:02:19,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 17:02:19,378 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 17:02:19,378 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112291a0afbd95f38753698288bc21e678f8fc599868e66751c5bf984ca2e210 [2022-07-12 17:02:19,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 17:02:19,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 17:02:19,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 17:02:19,663 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 17:02:19,663 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 17:02:19,665 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i [2022-07-12 17:02:19,721 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c56c6fa66/bfa469af69ed4409a7746db16229224e/FLAG8eff62c58 [2022-07-12 17:02:20,364 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 17:02:20,365 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i [2022-07-12 17:02:20,424 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c56c6fa66/bfa469af69ed4409a7746db16229224e/FLAG8eff62c58 [2022-07-12 17:02:20,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c56c6fa66/bfa469af69ed4409a7746db16229224e [2022-07-12 17:02:20,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 17:02:20,513 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 17:02:20,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 17:02:20,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 17:02:20,533 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 17:02:20,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 05:02:20" (1/1) ... [2022-07-12 17:02:20,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51323d7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:02:20, skipping insertion in model container [2022-07-12 17:02:20,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 05:02:20" (1/1) ... [2022-07-12 17:02:20,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 17:02:20,663 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 17:02:23,810 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399219,399232] [2022-07-12 17:02:23,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399364,399377] [2022-07-12 17:02:23,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399510,399523] [2022-07-12 17:02:23,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399675,399688] [2022-07-12 17:02:23,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399833,399846] [2022-07-12 17:02:23,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399991,400004] [2022-07-12 17:02:23,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400149,400162] [2022-07-12 17:02:23,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400309,400322] [2022-07-12 17:02:23,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400468,400481] [2022-07-12 17:02:23,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400607,400620] [2022-07-12 17:02:23,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400749,400762] [2022-07-12 17:02:23,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400898,400911] [2022-07-12 17:02:23,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401037,401050] [2022-07-12 17:02:23,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401192,401205] [2022-07-12 17:02:23,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401352,401365] [2022-07-12 17:02:23,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401503,401516] [2022-07-12 17:02:23,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401654,401667] [2022-07-12 17:02:23,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401806,401819] [2022-07-12 17:02:23,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401955,401968] [2022-07-12 17:02:23,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402103,402116] [2022-07-12 17:02:23,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402260,402273] [2022-07-12 17:02:23,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402409,402422] [2022-07-12 17:02:23,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402565,402578] [2022-07-12 17:02:23,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402718,402731] [2022-07-12 17:02:23,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402864,402877] [2022-07-12 17:02:23,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403007,403020] [2022-07-12 17:02:23,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403159,403172] [2022-07-12 17:02:23,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403305,403318] [2022-07-12 17:02:23,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403450,403463] [2022-07-12 17:02:23,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403604,403617] [2022-07-12 17:02:23,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403755,403768] [2022-07-12 17:02:23,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403910,403923] [2022-07-12 17:02:23,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404062,404075] [2022-07-12 17:02:23,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404217,404230] [2022-07-12 17:02:23,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404381,404394] [2022-07-12 17:02:23,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404537,404550] [2022-07-12 17:02:23,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404701,404714] [2022-07-12 17:02:23,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404843,404856] [2022-07-12 17:02:23,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405001,405014] [2022-07-12 17:02:23,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405168,405181] [2022-07-12 17:02:23,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405327,405340] [2022-07-12 17:02:23,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405486,405499] [2022-07-12 17:02:23,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405635,405648] [2022-07-12 17:02:23,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405782,405795] [2022-07-12 17:02:23,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405921,405934] [2022-07-12 17:02:23,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406084,406097] [2022-07-12 17:02:23,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406250,406263] [2022-07-12 17:02:23,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406414,406427] [2022-07-12 17:02:23,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406579,406592] [2022-07-12 17:02:23,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406744,406757] [2022-07-12 17:02:23,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406910,406923] [2022-07-12 17:02:23,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407075,407088] [2022-07-12 17:02:23,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407242,407255] [2022-07-12 17:02:23,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407402,407415] [2022-07-12 17:02:23,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407564,407577] [2022-07-12 17:02:23,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407723,407736] [2022-07-12 17:02:23,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407869,407882] [2022-07-12 17:02:23,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408012,408025] [2022-07-12 17:02:23,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408156,408169] [2022-07-12 17:02:23,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408299,408312] [2022-07-12 17:02:23,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408443,408456] [2022-07-12 17:02:23,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408584,408597] [2022-07-12 17:02:23,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408722,408735] [2022-07-12 17:02:23,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408880,408893] [2022-07-12 17:02:23,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409039,409052] [2022-07-12 17:02:23,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409195,409208] [2022-07-12 17:02:23,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409344,409357] [2022-07-12 17:02:23,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409496,409509] [2022-07-12 17:02:23,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409647,409660] [2022-07-12 17:02:23,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409796,409809] [2022-07-12 17:02:23,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409948,409961] [2022-07-12 17:02:23,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410096,410109] [2022-07-12 17:02:23,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410249,410262] [2022-07-12 17:02:23,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410400,410413] [2022-07-12 17:02:23,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410550,410563] [2022-07-12 17:02:23,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410697,410710] [2022-07-12 17:02:23,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410848,410861] [2022-07-12 17:02:23,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410999,411012] [2022-07-12 17:02:23,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411147,411160] [2022-07-12 17:02:23,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411313,411326] [2022-07-12 17:02:23,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411482,411495] [2022-07-12 17:02:23,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411649,411662] [2022-07-12 17:02:23,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411817,411830] [2022-07-12 17:02:23,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411967,411980] [2022-07-12 17:02:23,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412114,412127] [2022-07-12 17:02:23,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412275,412288] [2022-07-12 17:02:23,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412445,412458] [2022-07-12 17:02:23,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412607,412620] [2022-07-12 17:02:23,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 17:02:23,896 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 17:02:23,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 17:02:24,200 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399219,399232] [2022-07-12 17:02:24,201 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399364,399377] [2022-07-12 17:02:24,202 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399510,399523] [2022-07-12 17:02:24,202 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399675,399688] [2022-07-12 17:02:24,203 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399833,399846] [2022-07-12 17:02:24,204 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399991,400004] [2022-07-12 17:02:24,204 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400149,400162] [2022-07-12 17:02:24,204 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400309,400322] [2022-07-12 17:02:24,205 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400468,400481] [2022-07-12 17:02:24,205 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400607,400620] [2022-07-12 17:02:24,205 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400749,400762] [2022-07-12 17:02:24,207 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400898,400911] [2022-07-12 17:02:24,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401037,401050] [2022-07-12 17:02:24,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401192,401205] [2022-07-12 17:02:24,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401352,401365] [2022-07-12 17:02:24,209 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401503,401516] [2022-07-12 17:02:24,209 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401654,401667] [2022-07-12 17:02:24,209 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401806,401819] [2022-07-12 17:02:24,210 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401955,401968] [2022-07-12 17:02:24,210 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402103,402116] [2022-07-12 17:02:24,210 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402260,402273] [2022-07-12 17:02:24,215 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402409,402422] [2022-07-12 17:02:24,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402565,402578] [2022-07-12 17:02:24,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402718,402731] [2022-07-12 17:02:24,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402864,402877] [2022-07-12 17:02:24,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403007,403020] [2022-07-12 17:02:24,217 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403159,403172] [2022-07-12 17:02:24,217 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403305,403318] [2022-07-12 17:02:24,217 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403450,403463] [2022-07-12 17:02:24,217 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403604,403617] [2022-07-12 17:02:24,218 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403755,403768] [2022-07-12 17:02:24,218 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403910,403923] [2022-07-12 17:02:24,218 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404062,404075] [2022-07-12 17:02:24,218 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404217,404230] [2022-07-12 17:02:24,218 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404381,404394] [2022-07-12 17:02:24,219 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404537,404550] [2022-07-12 17:02:24,219 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404701,404714] [2022-07-12 17:02:24,219 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404843,404856] [2022-07-12 17:02:24,219 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405001,405014] [2022-07-12 17:02:24,220 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405168,405181] [2022-07-12 17:02:24,220 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405327,405340] [2022-07-12 17:02:24,220 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405486,405499] [2022-07-12 17:02:24,220 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405635,405648] [2022-07-12 17:02:24,221 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405782,405795] [2022-07-12 17:02:24,221 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405921,405934] [2022-07-12 17:02:24,221 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406084,406097] [2022-07-12 17:02:24,221 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406250,406263] [2022-07-12 17:02:24,221 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406414,406427] [2022-07-12 17:02:24,222 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406579,406592] [2022-07-12 17:02:24,222 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406744,406757] [2022-07-12 17:02:24,222 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406910,406923] [2022-07-12 17:02:24,222 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407075,407088] [2022-07-12 17:02:24,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407242,407255] [2022-07-12 17:02:24,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407402,407415] [2022-07-12 17:02:24,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407564,407577] [2022-07-12 17:02:24,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407723,407736] [2022-07-12 17:02:24,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407869,407882] [2022-07-12 17:02:24,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408012,408025] [2022-07-12 17:02:24,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408156,408169] [2022-07-12 17:02:24,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408299,408312] [2022-07-12 17:02:24,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408443,408456] [2022-07-12 17:02:24,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408584,408597] [2022-07-12 17:02:24,226 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408722,408735] [2022-07-12 17:02:24,226 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408880,408893] [2022-07-12 17:02:24,226 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409039,409052] [2022-07-12 17:02:24,226 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409195,409208] [2022-07-12 17:02:24,227 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409344,409357] [2022-07-12 17:02:24,227 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409496,409509] [2022-07-12 17:02:24,227 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409647,409660] [2022-07-12 17:02:24,227 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409796,409809] [2022-07-12 17:02:24,228 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409948,409961] [2022-07-12 17:02:24,228 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410096,410109] [2022-07-12 17:02:24,228 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410249,410262] [2022-07-12 17:02:24,228 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410400,410413] [2022-07-12 17:02:24,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410550,410563] [2022-07-12 17:02:24,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410697,410710] [2022-07-12 17:02:24,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410848,410861] [2022-07-12 17:02:24,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410999,411012] [2022-07-12 17:02:24,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411147,411160] [2022-07-12 17:02:24,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411313,411326] [2022-07-12 17:02:24,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411482,411495] [2022-07-12 17:02:24,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411649,411662] [2022-07-12 17:02:24,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411817,411830] [2022-07-12 17:02:24,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411967,411980] [2022-07-12 17:02:24,231 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412114,412127] [2022-07-12 17:02:24,231 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412275,412288] [2022-07-12 17:02:24,236 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412445,412458] [2022-07-12 17:02:24,236 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412607,412620] [2022-07-12 17:02:24,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 17:02:24,276 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 17:02:24,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399219,399232] [2022-07-12 17:02:24,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399364,399377] [2022-07-12 17:02:24,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399510,399523] [2022-07-12 17:02:24,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399675,399688] [2022-07-12 17:02:24,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399833,399846] [2022-07-12 17:02:24,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399991,400004] [2022-07-12 17:02:24,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400149,400162] [2022-07-12 17:02:24,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400309,400322] [2022-07-12 17:02:24,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400468,400481] [2022-07-12 17:02:24,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400607,400620] [2022-07-12 17:02:24,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400749,400762] [2022-07-12 17:02:24,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400898,400911] [2022-07-12 17:02:24,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401037,401050] [2022-07-12 17:02:24,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401192,401205] [2022-07-12 17:02:24,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401352,401365] [2022-07-12 17:02:24,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401503,401516] [2022-07-12 17:02:24,518 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401654,401667] [2022-07-12 17:02:24,518 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401806,401819] [2022-07-12 17:02:24,518 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401955,401968] [2022-07-12 17:02:24,518 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402103,402116] [2022-07-12 17:02:24,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402260,402273] [2022-07-12 17:02:24,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402409,402422] [2022-07-12 17:02:24,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402565,402578] [2022-07-12 17:02:24,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402718,402731] [2022-07-12 17:02:24,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402864,402877] [2022-07-12 17:02:24,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403007,403020] [2022-07-12 17:02:24,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403159,403172] [2022-07-12 17:02:24,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403305,403318] [2022-07-12 17:02:24,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403450,403463] [2022-07-12 17:02:24,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403604,403617] [2022-07-12 17:02:24,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403755,403768] [2022-07-12 17:02:24,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403910,403923] [2022-07-12 17:02:24,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404062,404075] [2022-07-12 17:02:24,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404217,404230] [2022-07-12 17:02:24,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404381,404394] [2022-07-12 17:02:24,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404537,404550] [2022-07-12 17:02:24,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404701,404714] [2022-07-12 17:02:24,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404843,404856] [2022-07-12 17:02:24,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405001,405014] [2022-07-12 17:02:24,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405168,405181] [2022-07-12 17:02:24,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405327,405340] [2022-07-12 17:02:24,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405486,405499] [2022-07-12 17:02:24,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405635,405648] [2022-07-12 17:02:24,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405782,405795] [2022-07-12 17:02:24,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405921,405934] [2022-07-12 17:02:24,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406084,406097] [2022-07-12 17:02:24,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406250,406263] [2022-07-12 17:02:24,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406414,406427] [2022-07-12 17:02:24,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406579,406592] [2022-07-12 17:02:24,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406744,406757] [2022-07-12 17:02:24,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406910,406923] [2022-07-12 17:02:24,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407075,407088] [2022-07-12 17:02:24,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407242,407255] [2022-07-12 17:02:24,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407402,407415] [2022-07-12 17:02:24,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407564,407577] [2022-07-12 17:02:24,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407723,407736] [2022-07-12 17:02:24,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407869,407882] [2022-07-12 17:02:24,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408012,408025] [2022-07-12 17:02:24,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408156,408169] [2022-07-12 17:02:24,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408299,408312] [2022-07-12 17:02:24,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408443,408456] [2022-07-12 17:02:24,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408584,408597] [2022-07-12 17:02:24,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408722,408735] [2022-07-12 17:02:24,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408880,408893] [2022-07-12 17:02:24,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409039,409052] [2022-07-12 17:02:24,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409195,409208] [2022-07-12 17:02:24,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409344,409357] [2022-07-12 17:02:24,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409496,409509] [2022-07-12 17:02:24,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409647,409660] [2022-07-12 17:02:24,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409796,409809] [2022-07-12 17:02:24,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409948,409961] [2022-07-12 17:02:24,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410096,410109] [2022-07-12 17:02:24,576 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410249,410262] [2022-07-12 17:02:24,576 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410400,410413] [2022-07-12 17:02:24,576 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410550,410563] [2022-07-12 17:02:24,576 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410697,410710] [2022-07-12 17:02:24,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410848,410861] [2022-07-12 17:02:24,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410999,411012] [2022-07-12 17:02:24,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411147,411160] [2022-07-12 17:02:24,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411313,411326] [2022-07-12 17:02:24,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411482,411495] [2022-07-12 17:02:24,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411649,411662] [2022-07-12 17:02:24,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411817,411830] [2022-07-12 17:02:24,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411967,411980] [2022-07-12 17:02:24,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412114,412127] [2022-07-12 17:02:24,579 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412275,412288] [2022-07-12 17:02:24,579 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412445,412458] [2022-07-12 17:02:24,579 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412607,412620] [2022-07-12 17:02:24,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 17:02:24,825 INFO L208 MainTranslator]: Completed translation [2022-07-12 17:02:24,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:02:24 WrapperNode [2022-07-12 17:02:24,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 17:02:24,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 17:02:24,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 17:02:24,827 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 17:02:24,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:02:24" (1/1) ... [2022-07-12 17:02:24,955 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:02:24" (1/1) ... [2022-07-12 17:02:25,109 INFO L137 Inliner]: procedures = 650, calls = 2220, calls flagged for inlining = 287, calls inlined = 204, statements flattened = 4977 [2022-07-12 17:02:25,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 17:02:25,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 17:02:25,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 17:02:25,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 17:02:25,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:02:24" (1/1) ... [2022-07-12 17:02:25,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:02:24" (1/1) ... [2022-07-12 17:02:25,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:02:24" (1/1) ... [2022-07-12 17:02:25,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:02:24" (1/1) ... [2022-07-12 17:02:25,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:02:24" (1/1) ... [2022-07-12 17:02:25,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:02:24" (1/1) ... [2022-07-12 17:02:25,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:02:24" (1/1) ... [2022-07-12 17:02:25,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 17:02:25,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 17:02:25,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 17:02:25,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 17:02:25,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:02:24" (1/1) ... [2022-07-12 17:02:25,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 17:02:25,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 17:02:25,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 17:02:25,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 17:02:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-07-12 17:02:25,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-07-12 17:02:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 17:02:25,364 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 17:02:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-12 17:02:25,364 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-12 17:02:25,364 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_set_filter_mode [2022-07-12 17:02:25,365 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_set_filter_mode [2022-07-12 17:02:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 17:02:25,365 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 17:02:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 17:02:25,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 17:02:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_resume [2022-07-12 17:02:25,365 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_resume [2022-07-12 17:02:25,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-12 17:02:25,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-12 17:02:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 17:02:25,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 17:02:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_write_1bit [2022-07-12 17:02:25,366 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_write_1bit [2022-07-12 17:02:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-12 17:02:25,366 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-12 17:02:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 17:02:25,366 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 17:02:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-12 17:02:25,367 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-12 17:02:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-12 17:02:25,367 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-12 17:02:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-07-12 17:02:25,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-07-12 17:02:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-07-12 17:02:25,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-07-12 17:02:25,367 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-12 17:02:25,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-12 17:02:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-12 17:02:25,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-12 17:02:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_reuse_skb [2022-07-12 17:02:25,368 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_reuse_skb [2022-07-12 17:02:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2022-07-12 17:02:25,368 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2022-07-12 17:02:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 17:02:25,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 17:02:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 17:02:25,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 17:02:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 17:02:25,369 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 17:02:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-12 17:02:25,369 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-12 17:02:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 17:02:25,369 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 17:02:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 17:02:25,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 17:02:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-07-12 17:02:25,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-07-12 17:02:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 17:02:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 17:02:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 17:02:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 17:02:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-07-12 17:02:25,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-07-12 17:02:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure poll_dmfe [2022-07-12 17:02:25,371 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_dmfe [2022-07-12 17:02:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 17:02:25,371 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 17:02:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 17:02:25,371 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 17:02:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-07-12 17:02:25,371 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-07-12 17:02:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-07-12 17:02:25,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-07-12 17:02:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 17:02:25,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 17:02:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_remove_one [2022-07-12 17:02:25,372 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_remove_one [2022-07-12 17:02:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-12 17:02:25,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-12 17:02:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure dm9132_id_table [2022-07-12 17:02:25,372 INFO L138 BoogieDeclarations]: Found implementation of procedure dm9132_id_table [2022-07-12 17:02:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-07-12 17:02:25,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-07-12 17:02:25,372 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 17:02:25,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 17:02:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-07-12 17:02:25,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-07-12 17:02:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-12 17:02:25,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-12 17:02:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 17:02:25,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 17:02:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 17:02:25,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 17:02:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_interrupt [2022-07-12 17:02:25,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_interrupt [2022-07-12 17:02:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-12 17:02:25,374 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-12 17:02:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-07-12 17:02:25,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-07-12 17:02:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-12 17:02:25,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-12 17:02:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure cal_CRC [2022-07-12 17:02:25,374 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_CRC [2022-07-12 17:02:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 17:02:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 17:02:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2022-07-12 17:02:25,375 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2022-07-12 17:02:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 17:02:25,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 17:02:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 17:02:25,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 17:02:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 17:02:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-12 17:02:25,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-12 17:02:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 17:02:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 17:02:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 17:02:25,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 17:02:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 17:02:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-07-12 17:02:25,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-07-12 17:02:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_free_rxbuffer [2022-07-12 17:02:25,380 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_free_rxbuffer [2022-07-12 17:02:25,380 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 17:02:25,380 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 17:02:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-12 17:02:25,381 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-12 17:02:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-07-12 17:02:25,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-07-12 17:02:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 17:02:25,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 17:02:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 17:02:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_stop [2022-07-12 17:02:25,381 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_stop [2022-07-12 17:02:25,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 17:02:25,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 17:02:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 17:02:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 17:02:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 17:02:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 17:02:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 17:02:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 17:02:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 17:02:25,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 17:02:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 17:02:25,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 17:02:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 17:02:25,383 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 17:02:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_open [2022-07-12 17:02:25,383 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_open [2022-07-12 17:02:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_dmfe_board_info [2022-07-12 17:02:25,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_dmfe_board_info [2022-07-12 17:02:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-12 17:02:25,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-12 17:02:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_130 [2022-07-12 17:02:25,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_130 [2022-07-12 17:02:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-12 17:02:25,384 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-12 17:02:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 17:02:25,384 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 17:02:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-12 17:02:25,384 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-12 17:02:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2022-07-12 17:02:25,384 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2022-07-12 17:02:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-07-12 17:02:25,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-07-12 17:02:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-07-12 17:02:25,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-07-12 17:02:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 17:02:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-12 17:02:25,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-12 17:02:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 17:02:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-12 17:02:25,385 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-12 17:02:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-12 17:02:25,386 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-12 17:02:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_read_1bit [2022-07-12 17:02:25,386 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_read_1bit [2022-07-12 17:02:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 17:02:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 17:02:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 17:02:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 17:02:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 17:02:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_init_dm910x [2022-07-12 17:02:25,387 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_init_dm910x [2022-07-12 17:02:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-12 17:02:25,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-12 17:02:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 17:02:25,387 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 17:02:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_write [2022-07-12 17:02:25,387 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_write [2022-07-12 17:02:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 17:02:25,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 17:02:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2022-07-12 17:02:25,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2022-07-12 17:02:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-12 17:02:25,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-12 17:02:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-12 17:02:25,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-12 17:02:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-07-12 17:02:25,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-07-12 17:02:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 17:02:25,388 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 17:02:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-07-12 17:02:25,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-07-12 17:02:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-12 17:02:25,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-12 17:02:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2022-07-12 17:02:25,389 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2022-07-12 17:02:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-12 17:02:25,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-12 17:02:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 17:02:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 17:02:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 17:02:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 17:02:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 17:02:25,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 17:02:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2022-07-12 17:02:25,390 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2022-07-12 17:02:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-12 17:02:25,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-12 17:02:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-07-12 17:02:25,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-07-12 17:02:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_read [2022-07-12 17:02:25,393 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_read [2022-07-12 17:02:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 17:02:25,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 17:02:25,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-12 17:02:25,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-12 17:02:25,394 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-12 17:02:25,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-12 17:02:25,394 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-12 17:02:25,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-12 17:02:26,031 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 17:02:26,037 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 17:02:28,391 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 17:03:05,776 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 17:03:05,790 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 17:03:05,791 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 17:03:05,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 05:03:05 BoogieIcfgContainer [2022-07-12 17:03:05,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 17:03:05,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 17:03:05,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 17:03:05,800 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 17:03:05,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 05:02:20" (1/3) ... [2022-07-12 17:03:05,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22065a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 05:03:05, skipping insertion in model container [2022-07-12 17:03:05,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:02:24" (2/3) ... [2022-07-12 17:03:05,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22065a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 05:03:05, skipping insertion in model container [2022-07-12 17:03:05,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 05:03:05" (3/3) ... [2022-07-12 17:03:05,802 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i [2022-07-12 17:03:05,814 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 17:03:05,814 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2022-07-12 17:03:05,881 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 17:03:05,885 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=PETRI_NET, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3e5388fe, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7783c734 [2022-07-12 17:03:05,886 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-07-12 17:03:05,897 INFO L276 IsEmpty]: Start isEmpty. Operand has 1751 states, 1205 states have (on average 1.3053941908713693) internal successors, (1573), 1261 states have internal predecessors, (1573), 419 states have call successors, (419), 100 states have call predecessors, (419), 99 states have return successors, (415), 406 states have call predecessors, (415), 415 states have call successors, (415) [2022-07-12 17:03:05,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-07-12 17:03:05,908 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:03:05,909 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:03:05,909 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:03:05,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:03:05,915 INFO L85 PathProgramCache]: Analyzing trace with hash -568275191, now seen corresponding path program 1 times [2022-07-12 17:03:05,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:03:05,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [785631953] [2022-07-12 17:03:05,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:03:05,928 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:03:05,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:03:05,931 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:03:05,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 17:03:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:06,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 17:03:06,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:03:07,029 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-12 17:03:07,030 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:03:07,030 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:03:07,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [785631953] [2022-07-12 17:03:07,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [785631953] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:03:07,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:03:07,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 17:03:07,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391326495] [2022-07-12 17:03:07,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:03:07,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 17:03:07,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:03:07,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 17:03:07,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 17:03:07,077 INFO L87 Difference]: Start difference. First operand has 1751 states, 1205 states have (on average 1.3053941908713693) internal successors, (1573), 1261 states have internal predecessors, (1573), 419 states have call successors, (419), 100 states have call predecessors, (419), 99 states have return successors, (415), 406 states have call predecessors, (415), 415 states have call successors, (415) Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 17:03:07,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:03:07,609 INFO L93 Difference]: Finished difference Result 5225 states and 7403 transitions. [2022-07-12 17:03:07,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 17:03:07,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 75 [2022-07-12 17:03:07,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:03:07,651 INFO L225 Difference]: With dead ends: 5225 [2022-07-12 17:03:07,652 INFO L226 Difference]: Without dead ends: 3463 [2022-07-12 17:03:07,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 17:03:07,675 INFO L413 NwaCegarLoop]: 4345 mSDtfsCounter, 2340 mSDsluCounter, 2309 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2340 SdHoareTripleChecker+Valid, 6654 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 17:03:07,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2340 Valid, 6654 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 17:03:07,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3463 states. [2022-07-12 17:03:07,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3463 to 3262. [2022-07-12 17:03:07,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3262 states, 2269 states have (on average 1.2723666813574261) internal successors, (2887), 2351 states have internal predecessors, (2887), 789 states have call successors, (789), 178 states have call predecessors, (789), 177 states have return successors, (814), 768 states have call predecessors, (814), 787 states have call successors, (814) [2022-07-12 17:03:07,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3262 states to 3262 states and 4490 transitions. [2022-07-12 17:03:07,918 INFO L78 Accepts]: Start accepts. Automaton has 3262 states and 4490 transitions. Word has length 75 [2022-07-12 17:03:07,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:03:07,919 INFO L495 AbstractCegarLoop]: Abstraction has 3262 states and 4490 transitions. [2022-07-12 17:03:07,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 17:03:07,919 INFO L276 IsEmpty]: Start isEmpty. Operand 3262 states and 4490 transitions. [2022-07-12 17:03:07,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-07-12 17:03:07,929 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:03:07,929 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:03:07,956 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 17:03:08,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:03:08,149 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:03:08,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:03:08,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1300242617, now seen corresponding path program 1 times [2022-07-12 17:03:08,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:03:08,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1196784435] [2022-07-12 17:03:08,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:03:08,150 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:03:08,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:03:08,152 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:03:08,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 17:03:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:09,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 17:03:09,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:03:09,195 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-12 17:03:09,195 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:03:09,195 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:03:09,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1196784435] [2022-07-12 17:03:09,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1196784435] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:03:09,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:03:09,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 17:03:09,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541313934] [2022-07-12 17:03:09,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:03:09,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 17:03:09,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:03:09,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 17:03:09,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 17:03:09,198 INFO L87 Difference]: Start difference. First operand 3262 states and 4490 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 17:03:09,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:03:09,350 INFO L93 Difference]: Finished difference Result 4961 states and 6762 transitions. [2022-07-12 17:03:09,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 17:03:09,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 75 [2022-07-12 17:03:09,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:03:09,360 INFO L225 Difference]: With dead ends: 4961 [2022-07-12 17:03:09,360 INFO L226 Difference]: Without dead ends: 1735 [2022-07-12 17:03:09,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 17:03:09,372 INFO L413 NwaCegarLoop]: 2327 mSDtfsCounter, 2318 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2318 SdHoareTripleChecker+Valid, 2327 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:03:09,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2318 Valid, 2327 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:03:09,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2022-07-12 17:03:09,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1735. [2022-07-12 17:03:09,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1735 states, 1195 states have (on average 1.2552301255230125) internal successors, (1500), 1249 states have internal predecessors, (1500), 415 states have call successors, (415), 99 states have call predecessors, (415), 98 states have return successors, (413), 404 states have call predecessors, (413), 413 states have call successors, (413) [2022-07-12 17:03:09,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1735 states and 2328 transitions. [2022-07-12 17:03:09,424 INFO L78 Accepts]: Start accepts. Automaton has 1735 states and 2328 transitions. Word has length 75 [2022-07-12 17:03:09,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:03:09,424 INFO L495 AbstractCegarLoop]: Abstraction has 1735 states and 2328 transitions. [2022-07-12 17:03:09,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 17:03:09,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2328 transitions. [2022-07-12 17:03:09,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-07-12 17:03:09,426 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:03:09,426 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:03:09,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 17:03:09,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:03:09,643 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:03:09,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:03:09,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1308544841, now seen corresponding path program 1 times [2022-07-12 17:03:09,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:03:09,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [808363051] [2022-07-12 17:03:09,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:03:09,644 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:03:09,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:03:09,647 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:03:09,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 17:03:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:10,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 1075 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 17:03:10,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:03:10,609 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-12 17:03:10,609 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:03:10,609 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:03:10,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [808363051] [2022-07-12 17:03:10,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [808363051] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:03:10,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:03:10,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 17:03:10,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14023414] [2022-07-12 17:03:10,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:03:10,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 17:03:10,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:03:10,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 17:03:10,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 17:03:10,610 INFO L87 Difference]: Start difference. First operand 1735 states and 2328 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 17:03:10,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:03:10,680 INFO L93 Difference]: Finished difference Result 3462 states and 4646 transitions. [2022-07-12 17:03:10,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 17:03:10,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 75 [2022-07-12 17:03:10,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:03:10,690 INFO L225 Difference]: With dead ends: 3462 [2022-07-12 17:03:10,690 INFO L226 Difference]: Without dead ends: 1735 [2022-07-12 17:03:10,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 17:03:10,700 INFO L413 NwaCegarLoop]: 2326 mSDtfsCounter, 2316 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2316 SdHoareTripleChecker+Valid, 2326 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:03:10,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2316 Valid, 2326 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:03:10,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2022-07-12 17:03:10,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1735. [2022-07-12 17:03:10,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1735 states, 1195 states have (on average 1.2543933054393306) internal successors, (1499), 1249 states have internal predecessors, (1499), 415 states have call successors, (415), 99 states have call predecessors, (415), 98 states have return successors, (413), 404 states have call predecessors, (413), 413 states have call successors, (413) [2022-07-12 17:03:10,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1735 states and 2327 transitions. [2022-07-12 17:03:10,757 INFO L78 Accepts]: Start accepts. Automaton has 1735 states and 2327 transitions. Word has length 75 [2022-07-12 17:03:10,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:03:10,759 INFO L495 AbstractCegarLoop]: Abstraction has 1735 states and 2327 transitions. [2022-07-12 17:03:10,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 17:03:10,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2327 transitions. [2022-07-12 17:03:10,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-07-12 17:03:10,761 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:03:10,761 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:03:10,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 17:03:10,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:03:10,975 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:03:10,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:03:10,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1254151943, now seen corresponding path program 1 times [2022-07-12 17:03:10,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:03:10,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1213023185] [2022-07-12 17:03:10,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:03:10,977 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:03:10,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:03:10,984 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:03:10,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 17:03:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:11,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 1074 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 17:03:11,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:03:11,912 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-12 17:03:11,912 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:03:11,912 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:03:11,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1213023185] [2022-07-12 17:03:11,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1213023185] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:03:11,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:03:11,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 17:03:11,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598715811] [2022-07-12 17:03:11,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:03:11,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 17:03:11,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:03:11,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 17:03:11,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 17:03:11,916 INFO L87 Difference]: Start difference. First operand 1735 states and 2327 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 17:03:12,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:03:12,008 INFO L93 Difference]: Finished difference Result 3455 states and 4633 transitions. [2022-07-12 17:03:12,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 17:03:12,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 75 [2022-07-12 17:03:12,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:03:12,021 INFO L225 Difference]: With dead ends: 3455 [2022-07-12 17:03:12,021 INFO L226 Difference]: Without dead ends: 1734 [2022-07-12 17:03:12,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 17:03:12,030 INFO L413 NwaCegarLoop]: 2316 mSDtfsCounter, 2309 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2309 SdHoareTripleChecker+Valid, 2316 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:03:12,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2309 Valid, 2316 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:03:12,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2022-07-12 17:03:12,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1734. [2022-07-12 17:03:12,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1194 states have (on average 1.2504187604690118) internal successors, (1493), 1248 states have internal predecessors, (1493), 415 states have call successors, (415), 99 states have call predecessors, (415), 98 states have return successors, (413), 404 states have call predecessors, (413), 413 states have call successors, (413) [2022-07-12 17:03:12,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2321 transitions. [2022-07-12 17:03:12,137 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2321 transitions. Word has length 75 [2022-07-12 17:03:12,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:03:12,138 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2321 transitions. [2022-07-12 17:03:12,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 17:03:12,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2321 transitions. [2022-07-12 17:03:12,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-12 17:03:12,139 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:03:12,139 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:03:12,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 17:03:12,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:03:12,358 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:03:12,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:03:12,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1230206929, now seen corresponding path program 1 times [2022-07-12 17:03:12,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:03:12,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1290157791] [2022-07-12 17:03:12,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:03:12,360 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:03:12,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:03:12,361 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:03:12,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 17:03:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:13,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 1078 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 17:03:13,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:03:13,341 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-12 17:03:13,342 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:03:13,342 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:03:13,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1290157791] [2022-07-12 17:03:13,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1290157791] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:03:13,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:03:13,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 17:03:13,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933084309] [2022-07-12 17:03:13,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:03:13,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 17:03:13,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:03:13,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 17:03:13,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 17:03:13,344 INFO L87 Difference]: Start difference. First operand 1734 states and 2321 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 17:03:13,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:03:13,416 INFO L93 Difference]: Finished difference Result 3441 states and 4614 transitions. [2022-07-12 17:03:13,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 17:03:13,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 79 [2022-07-12 17:03:13,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:03:13,425 INFO L225 Difference]: With dead ends: 3441 [2022-07-12 17:03:13,426 INFO L226 Difference]: Without dead ends: 1722 [2022-07-12 17:03:13,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 17:03:13,434 INFO L413 NwaCegarLoop]: 2297 mSDtfsCounter, 2282 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2282 SdHoareTripleChecker+Valid, 2297 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:03:13,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2282 Valid, 2297 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:03:13,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2022-07-12 17:03:13,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1722. [2022-07-12 17:03:13,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1722 states, 1182 states have (on average 1.245346869712352) internal successors, (1472), 1236 states have internal predecessors, (1472), 415 states have call successors, (415), 99 states have call predecessors, (415), 98 states have return successors, (413), 404 states have call predecessors, (413), 413 states have call successors, (413) [2022-07-12 17:03:13,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1722 states and 2300 transitions. [2022-07-12 17:03:13,493 INFO L78 Accepts]: Start accepts. Automaton has 1722 states and 2300 transitions. Word has length 79 [2022-07-12 17:03:13,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:03:13,493 INFO L495 AbstractCegarLoop]: Abstraction has 1722 states and 2300 transitions. [2022-07-12 17:03:13,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 17:03:13,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 2300 transitions. [2022-07-12 17:03:13,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-12 17:03:13,498 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:03:13,498 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:03:13,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 17:03:13,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:03:13,707 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:03:13,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:03:13,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1103185709, now seen corresponding path program 1 times [2022-07-12 17:03:13,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:03:13,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [584240060] [2022-07-12 17:03:13,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:03:13,709 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:03:13,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:03:13,711 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:03:13,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 17:03:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:14,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 1077 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 17:03:14,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:03:14,699 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-12 17:03:14,699 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:03:14,699 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:03:14,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [584240060] [2022-07-12 17:03:14,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [584240060] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:03:14,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:03:14,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 17:03:14,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591676742] [2022-07-12 17:03:14,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:03:14,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 17:03:14,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:03:14,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 17:03:14,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 17:03:14,701 INFO L87 Difference]: Start difference. First operand 1722 states and 2300 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 17:03:14,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:03:14,778 INFO L93 Difference]: Finished difference Result 3428 states and 4589 transitions. [2022-07-12 17:03:14,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 17:03:14,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 79 [2022-07-12 17:03:14,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:03:14,788 INFO L225 Difference]: With dead ends: 3428 [2022-07-12 17:03:14,788 INFO L226 Difference]: Without dead ends: 1722 [2022-07-12 17:03:14,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 17:03:14,797 INFO L413 NwaCegarLoop]: 2296 mSDtfsCounter, 2279 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2279 SdHoareTripleChecker+Valid, 2296 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:03:14,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2279 Valid, 2296 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:03:14,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2022-07-12 17:03:14,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1722. [2022-07-12 17:03:14,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1722 states, 1182 states have (on average 1.2436548223350254) internal successors, (1470), 1236 states have internal predecessors, (1470), 415 states have call successors, (415), 99 states have call predecessors, (415), 98 states have return successors, (413), 404 states have call predecessors, (413), 413 states have call successors, (413) [2022-07-12 17:03:14,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1722 states and 2298 transitions. [2022-07-12 17:03:14,868 INFO L78 Accepts]: Start accepts. Automaton has 1722 states and 2298 transitions. Word has length 79 [2022-07-12 17:03:14,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:03:14,868 INFO L495 AbstractCegarLoop]: Abstraction has 1722 states and 2298 transitions. [2022-07-12 17:03:14,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 17:03:14,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 2298 transitions. [2022-07-12 17:03:14,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-12 17:03:14,869 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:03:14,869 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:03:14,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 17:03:15,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:03:15,096 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:03:15,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:03:15,097 INFO L85 PathProgramCache]: Analyzing trace with hash -901361775, now seen corresponding path program 1 times [2022-07-12 17:03:15,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:03:15,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2124863500] [2022-07-12 17:03:15,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:03:15,098 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:03:15,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:03:15,099 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:03:15,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 17:03:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:15,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 17:03:15,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:03:16,059 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-12 17:03:16,059 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:03:16,059 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:03:16,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2124863500] [2022-07-12 17:03:16,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2124863500] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:03:16,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:03:16,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 17:03:16,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294860361] [2022-07-12 17:03:16,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:03:16,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 17:03:16,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:03:16,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 17:03:16,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 17:03:16,061 INFO L87 Difference]: Start difference. First operand 1722 states and 2298 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 17:03:16,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:03:16,122 INFO L93 Difference]: Finished difference Result 3425 states and 4582 transitions. [2022-07-12 17:03:16,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 17:03:16,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 79 [2022-07-12 17:03:16,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:03:16,130 INFO L225 Difference]: With dead ends: 3425 [2022-07-12 17:03:16,130 INFO L226 Difference]: Without dead ends: 1720 [2022-07-12 17:03:16,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 17:03:16,138 INFO L413 NwaCegarLoop]: 2292 mSDtfsCounter, 2274 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2274 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:03:16,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2274 Valid, 2292 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:03:16,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1720 states. [2022-07-12 17:03:16,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1720 to 1720. [2022-07-12 17:03:16,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1720 states, 1180 states have (on average 1.2423728813559323) internal successors, (1466), 1234 states have internal predecessors, (1466), 415 states have call successors, (415), 99 states have call predecessors, (415), 98 states have return successors, (413), 404 states have call predecessors, (413), 413 states have call successors, (413) [2022-07-12 17:03:16,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1720 states and 2294 transitions. [2022-07-12 17:03:16,202 INFO L78 Accepts]: Start accepts. Automaton has 1720 states and 2294 transitions. Word has length 79 [2022-07-12 17:03:16,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:03:16,202 INFO L495 AbstractCegarLoop]: Abstraction has 1720 states and 2294 transitions. [2022-07-12 17:03:16,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 17:03:16,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 2294 transitions. [2022-07-12 17:03:16,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-12 17:03:16,203 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:03:16,203 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:03:16,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 17:03:16,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:03:16,412 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:03:16,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:03:16,412 INFO L85 PathProgramCache]: Analyzing trace with hash -340661997, now seen corresponding path program 1 times [2022-07-12 17:03:16,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:03:16,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2005720071] [2022-07-12 17:03:16,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:03:16,413 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:03:16,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:03:16,414 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:03:16,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-12 17:03:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:17,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 1075 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 17:03:17,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:03:17,345 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-12 17:03:17,346 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:03:17,346 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:03:17,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2005720071] [2022-07-12 17:03:17,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2005720071] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:03:17,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:03:17,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 17:03:17,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493548208] [2022-07-12 17:03:17,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:03:17,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 17:03:17,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:03:17,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 17:03:17,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 17:03:17,348 INFO L87 Difference]: Start difference. First operand 1720 states and 2294 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 17:03:17,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:03:17,521 INFO L93 Difference]: Finished difference Result 5072 states and 6779 transitions. [2022-07-12 17:03:17,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 17:03:17,522 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 79 [2022-07-12 17:03:17,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:03:17,536 INFO L225 Difference]: With dead ends: 5072 [2022-07-12 17:03:17,537 INFO L226 Difference]: Without dead ends: 3370 [2022-07-12 17:03:17,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 17:03:17,543 INFO L413 NwaCegarLoop]: 2686 mSDtfsCounter, 2217 mSDsluCounter, 2245 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2217 SdHoareTripleChecker+Valid, 4931 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 17:03:17,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2217 Valid, 4931 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 17:03:17,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3370 states. [2022-07-12 17:03:17,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3370 to 3162. [2022-07-12 17:03:17,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3162 states, 2188 states have (on average 1.2477148080438756) internal successors, (2730), 2270 states have internal predecessors, (2730), 770 states have call successors, (770), 178 states have call predecessors, (770), 177 states have return successors, (775), 748 states have call predecessors, (775), 768 states have call successors, (775) [2022-07-12 17:03:17,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3162 states to 3162 states and 4275 transitions. [2022-07-12 17:03:17,681 INFO L78 Accepts]: Start accepts. Automaton has 3162 states and 4275 transitions. Word has length 79 [2022-07-12 17:03:17,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:03:17,682 INFO L495 AbstractCegarLoop]: Abstraction has 3162 states and 4275 transitions. [2022-07-12 17:03:17,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 17:03:17,682 INFO L276 IsEmpty]: Start isEmpty. Operand 3162 states and 4275 transitions. [2022-07-12 17:03:17,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-12 17:03:17,683 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:03:17,699 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:03:17,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-12 17:03:17,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:03:17,900 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:03:17,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:03:17,900 INFO L85 PathProgramCache]: Analyzing trace with hash 93067089, now seen corresponding path program 1 times [2022-07-12 17:03:17,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:03:17,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1926093136] [2022-07-12 17:03:17,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:03:17,902 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:03:17,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:03:17,903 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:03:17,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-12 17:03:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:18,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 1074 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 17:03:18,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:03:19,126 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:03:19,126 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:03:19,126 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:03:19,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1926093136] [2022-07-12 17:03:19,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1926093136] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:03:19,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:03:19,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 17:03:19,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543946273] [2022-07-12 17:03:19,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:03:19,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 17:03:19,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:03:19,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 17:03:19,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 17:03:19,127 INFO L87 Difference]: Start difference. First operand 3162 states and 4275 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-07-12 17:03:19,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:03:19,250 INFO L93 Difference]: Finished difference Result 3162 states and 4275 transitions. [2022-07-12 17:03:19,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 17:03:19,251 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 79 [2022-07-12 17:03:19,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:03:19,266 INFO L225 Difference]: With dead ends: 3162 [2022-07-12 17:03:19,266 INFO L226 Difference]: Without dead ends: 3160 [2022-07-12 17:03:19,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 17:03:19,270 INFO L413 NwaCegarLoop]: 2289 mSDtfsCounter, 2227 mSDsluCounter, 2287 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2229 SdHoareTripleChecker+Valid, 4576 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:03:19,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2229 Valid, 4576 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:03:19,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3160 states. [2022-07-12 17:03:19,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3160 to 3160. [2022-07-12 17:03:19,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3160 states, 2187 states have (on average 1.247370827617741) internal successors, (2728), 2268 states have internal predecessors, (2728), 770 states have call successors, (770), 178 states have call predecessors, (770), 177 states have return successors, (775), 748 states have call predecessors, (775), 768 states have call successors, (775) [2022-07-12 17:03:19,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3160 states to 3160 states and 4273 transitions. [2022-07-12 17:03:19,435 INFO L78 Accepts]: Start accepts. Automaton has 3160 states and 4273 transitions. Word has length 79 [2022-07-12 17:03:19,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:03:19,437 INFO L495 AbstractCegarLoop]: Abstraction has 3160 states and 4273 transitions. [2022-07-12 17:03:19,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-07-12 17:03:19,437 INFO L276 IsEmpty]: Start isEmpty. Operand 3160 states and 4273 transitions. [2022-07-12 17:03:19,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-07-12 17:03:19,439 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:03:19,439 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:03:19,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-12 17:03:19,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:03:19,655 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:03:19,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:03:19,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1468122798, now seen corresponding path program 1 times [2022-07-12 17:03:19,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:03:19,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1007791730] [2022-07-12 17:03:19,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:03:19,657 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:03:19,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:03:19,658 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:03:19,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-12 17:03:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:20,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 1083 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 17:03:20,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:03:21,005 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:03:21,005 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:03:21,005 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:03:21,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1007791730] [2022-07-12 17:03:21,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1007791730] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:03:21,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:03:21,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 17:03:21,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152815377] [2022-07-12 17:03:21,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:03:21,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 17:03:21,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:03:21,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 17:03:21,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 17:03:21,008 INFO L87 Difference]: Start difference. First operand 3160 states and 4273 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-07-12 17:03:21,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:03:21,126 INFO L93 Difference]: Finished difference Result 3160 states and 4273 transitions. [2022-07-12 17:03:21,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 17:03:21,127 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 85 [2022-07-12 17:03:21,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:03:21,144 INFO L225 Difference]: With dead ends: 3160 [2022-07-12 17:03:21,144 INFO L226 Difference]: Without dead ends: 3158 [2022-07-12 17:03:21,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 17:03:21,147 INFO L413 NwaCegarLoop]: 2287 mSDtfsCounter, 2219 mSDsluCounter, 2285 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2221 SdHoareTripleChecker+Valid, 4572 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:03:21,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2221 Valid, 4572 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:03:21,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3158 states. [2022-07-12 17:03:21,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3158 to 3158. [2022-07-12 17:03:21,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3158 states, 2186 states have (on average 1.2470265324794145) internal successors, (2726), 2266 states have internal predecessors, (2726), 770 states have call successors, (770), 178 states have call predecessors, (770), 177 states have return successors, (775), 748 states have call predecessors, (775), 768 states have call successors, (775) [2022-07-12 17:03:21,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3158 states to 3158 states and 4271 transitions. [2022-07-12 17:03:21,280 INFO L78 Accepts]: Start accepts. Automaton has 3158 states and 4271 transitions. Word has length 85 [2022-07-12 17:03:21,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:03:21,280 INFO L495 AbstractCegarLoop]: Abstraction has 3158 states and 4271 transitions. [2022-07-12 17:03:21,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-07-12 17:03:21,280 INFO L276 IsEmpty]: Start isEmpty. Operand 3158 states and 4271 transitions. [2022-07-12 17:03:21,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-12 17:03:21,283 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:03:21,283 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:03:21,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-12 17:03:21,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:03:21,499 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:03:21,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:03:21,500 INFO L85 PathProgramCache]: Analyzing trace with hash 473245616, now seen corresponding path program 1 times [2022-07-12 17:03:21,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:03:21,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [362373999] [2022-07-12 17:03:21,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:03:21,501 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:03:21,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:03:21,502 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:03:21,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-12 17:03:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:22,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 17:03:22,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:03:22,927 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:03:22,927 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:03:22,927 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:03:22,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [362373999] [2022-07-12 17:03:22,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [362373999] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:03:22,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:03:22,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 17:03:22,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267215516] [2022-07-12 17:03:22,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:03:22,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 17:03:22,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:03:22,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 17:03:22,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 17:03:22,928 INFO L87 Difference]: Start difference. First operand 3158 states and 4271 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-07-12 17:03:23,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:03:23,043 INFO L93 Difference]: Finished difference Result 3158 states and 4271 transitions. [2022-07-12 17:03:23,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 17:03:23,043 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 91 [2022-07-12 17:03:23,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:03:23,066 INFO L225 Difference]: With dead ends: 3158 [2022-07-12 17:03:23,068 INFO L226 Difference]: Without dead ends: 3156 [2022-07-12 17:03:23,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 17:03:23,071 INFO L413 NwaCegarLoop]: 2285 mSDtfsCounter, 2211 mSDsluCounter, 2283 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2213 SdHoareTripleChecker+Valid, 4568 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:03:23,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2213 Valid, 4568 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:03:23,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3156 states. [2022-07-12 17:03:23,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3156 to 3156. [2022-07-12 17:03:23,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3156 states, 2185 states have (on average 1.2466819221967964) internal successors, (2724), 2264 states have internal predecessors, (2724), 770 states have call successors, (770), 178 states have call predecessors, (770), 177 states have return successors, (775), 748 states have call predecessors, (775), 768 states have call successors, (775) [2022-07-12 17:03:23,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3156 states to 3156 states and 4269 transitions. [2022-07-12 17:03:23,201 INFO L78 Accepts]: Start accepts. Automaton has 3156 states and 4269 transitions. Word has length 91 [2022-07-12 17:03:23,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:03:23,202 INFO L495 AbstractCegarLoop]: Abstraction has 3156 states and 4269 transitions. [2022-07-12 17:03:23,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-07-12 17:03:23,203 INFO L276 IsEmpty]: Start isEmpty. Operand 3156 states and 4269 transitions. [2022-07-12 17:03:23,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-07-12 17:03:23,203 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:03:23,204 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:03:23,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-12 17:03:23,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:03:23,428 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:03:23,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:03:23,428 INFO L85 PathProgramCache]: Analyzing trace with hash 237494877, now seen corresponding path program 1 times [2022-07-12 17:03:23,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:03:23,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [491575237] [2022-07-12 17:03:23,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:03:23,429 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:03:23,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:03:23,431 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:03:23,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-12 17:03:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:24,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 1101 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 17:03:24,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:03:24,907 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:03:24,907 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:03:24,907 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:03:24,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [491575237] [2022-07-12 17:03:24,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [491575237] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:03:24,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:03:24,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 17:03:24,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897803226] [2022-07-12 17:03:24,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:03:24,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 17:03:24,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:03:24,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 17:03:24,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 17:03:24,909 INFO L87 Difference]: Start difference. First operand 3156 states and 4269 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-07-12 17:03:25,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:03:25,049 INFO L93 Difference]: Finished difference Result 3156 states and 4269 transitions. [2022-07-12 17:03:25,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 17:03:25,050 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 97 [2022-07-12 17:03:25,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:03:25,074 INFO L225 Difference]: With dead ends: 3156 [2022-07-12 17:03:25,074 INFO L226 Difference]: Without dead ends: 3154 [2022-07-12 17:03:25,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 17:03:25,078 INFO L413 NwaCegarLoop]: 2283 mSDtfsCounter, 2203 mSDsluCounter, 2281 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2205 SdHoareTripleChecker+Valid, 4564 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:03:25,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2205 Valid, 4564 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:03:25,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3154 states. [2022-07-12 17:03:25,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3154 to 3154. [2022-07-12 17:03:25,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3154 states, 2184 states have (on average 1.2463369963369964) internal successors, (2722), 2262 states have internal predecessors, (2722), 770 states have call successors, (770), 178 states have call predecessors, (770), 177 states have return successors, (775), 748 states have call predecessors, (775), 768 states have call successors, (775) [2022-07-12 17:03:25,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3154 states to 3154 states and 4267 transitions. [2022-07-12 17:03:25,206 INFO L78 Accepts]: Start accepts. Automaton has 3154 states and 4267 transitions. Word has length 97 [2022-07-12 17:03:25,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:03:25,207 INFO L495 AbstractCegarLoop]: Abstraction has 3154 states and 4267 transitions. [2022-07-12 17:03:25,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-07-12 17:03:25,208 INFO L276 IsEmpty]: Start isEmpty. Operand 3154 states and 4267 transitions. [2022-07-12 17:03:25,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-12 17:03:25,209 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:03:25,209 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:03:25,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-12 17:03:25,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:03:25,427 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:03:25,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:03:25,428 INFO L85 PathProgramCache]: Analyzing trace with hash 254006595, now seen corresponding path program 1 times [2022-07-12 17:03:25,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:03:25,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1506109645] [2022-07-12 17:03:25,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:03:25,429 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:03:25,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:03:25,431 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:03:25,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-12 17:03:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:26,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 17:03:26,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:03:26,991 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:03:26,991 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:03:26,991 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:03:26,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1506109645] [2022-07-12 17:03:26,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1506109645] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:03:26,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:03:26,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 17:03:26,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740922208] [2022-07-12 17:03:26,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:03:26,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 17:03:26,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:03:26,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 17:03:26,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 17:03:26,992 INFO L87 Difference]: Start difference. First operand 3154 states and 4267 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-07-12 17:03:27,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:03:27,156 INFO L93 Difference]: Finished difference Result 3154 states and 4267 transitions. [2022-07-12 17:03:27,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 17:03:27,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 103 [2022-07-12 17:03:27,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:03:27,172 INFO L225 Difference]: With dead ends: 3154 [2022-07-12 17:03:27,172 INFO L226 Difference]: Without dead ends: 3152 [2022-07-12 17:03:27,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 17:03:27,176 INFO L413 NwaCegarLoop]: 2281 mSDtfsCounter, 2195 mSDsluCounter, 2279 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2197 SdHoareTripleChecker+Valid, 4560 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:03:27,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2197 Valid, 4560 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:03:27,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3152 states. [2022-07-12 17:03:27,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3152 to 3152. [2022-07-12 17:03:27,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3152 states, 2183 states have (on average 1.2459917544663308) internal successors, (2720), 2260 states have internal predecessors, (2720), 770 states have call successors, (770), 178 states have call predecessors, (770), 177 states have return successors, (775), 748 states have call predecessors, (775), 768 states have call successors, (775) [2022-07-12 17:03:27,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3152 states to 3152 states and 4265 transitions. [2022-07-12 17:03:27,308 INFO L78 Accepts]: Start accepts. Automaton has 3152 states and 4265 transitions. Word has length 103 [2022-07-12 17:03:27,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:03:27,308 INFO L495 AbstractCegarLoop]: Abstraction has 3152 states and 4265 transitions. [2022-07-12 17:03:27,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-07-12 17:03:27,308 INFO L276 IsEmpty]: Start isEmpty. Operand 3152 states and 4265 transitions. [2022-07-12 17:03:27,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-07-12 17:03:27,310 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:03:27,310 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:03:27,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-07-12 17:03:27,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:03:27,523 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:03:27,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:03:27,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1937295103, now seen corresponding path program 1 times [2022-07-12 17:03:27,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:03:27,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1104866460] [2022-07-12 17:03:27,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:03:27,525 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:03:27,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:03:27,526 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:03:27,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-07-12 17:03:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:28,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 1119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 17:03:28,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:03:29,082 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:03:29,082 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:03:29,082 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:03:29,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1104866460] [2022-07-12 17:03:29,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1104866460] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:03:29,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:03:29,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 17:03:29,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843058286] [2022-07-12 17:03:29,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:03:29,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 17:03:29,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:03:29,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 17:03:29,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 17:03:29,084 INFO L87 Difference]: Start difference. First operand 3152 states and 4265 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-07-12 17:03:29,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:03:29,208 INFO L93 Difference]: Finished difference Result 3152 states and 4265 transitions. [2022-07-12 17:03:29,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 17:03:29,209 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 109 [2022-07-12 17:03:29,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:03:29,224 INFO L225 Difference]: With dead ends: 3152 [2022-07-12 17:03:29,224 INFO L226 Difference]: Without dead ends: 3150 [2022-07-12 17:03:29,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 17:03:29,227 INFO L413 NwaCegarLoop]: 2279 mSDtfsCounter, 2187 mSDsluCounter, 2277 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2189 SdHoareTripleChecker+Valid, 4556 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:03:29,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2189 Valid, 4556 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:03:29,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-07-12 17:03:29,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3150. [2022-07-12 17:03:29,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3150 states, 2182 states have (on average 1.245646196150321) internal successors, (2718), 2258 states have internal predecessors, (2718), 770 states have call successors, (770), 178 states have call predecessors, (770), 177 states have return successors, (775), 748 states have call predecessors, (775), 768 states have call successors, (775) [2022-07-12 17:03:29,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 3150 states and 4263 transitions. [2022-07-12 17:03:29,391 INFO L78 Accepts]: Start accepts. Automaton has 3150 states and 4263 transitions. Word has length 109 [2022-07-12 17:03:29,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:03:29,391 INFO L495 AbstractCegarLoop]: Abstraction has 3150 states and 4263 transitions. [2022-07-12 17:03:29,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-07-12 17:03:29,392 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 4263 transitions. [2022-07-12 17:03:29,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-12 17:03:29,393 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:03:29,393 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:03:29,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-07-12 17:03:29,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:03:29,619 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:03:29,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:03:29,619 INFO L85 PathProgramCache]: Analyzing trace with hash -682899368, now seen corresponding path program 1 times [2022-07-12 17:03:29,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:03:29,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [139730042] [2022-07-12 17:03:29,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:03:29,620 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:03:29,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:03:29,622 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:03:29,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-07-12 17:03:30,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:30,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 1128 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 17:03:30,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:03:31,282 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:03:31,283 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:03:31,283 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:03:31,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [139730042] [2022-07-12 17:03:31,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [139730042] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:03:31,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:03:31,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 17:03:31,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796077297] [2022-07-12 17:03:31,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:03:31,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 17:03:31,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:03:31,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 17:03:31,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 17:03:31,284 INFO L87 Difference]: Start difference. First operand 3150 states and 4263 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-12 17:03:31,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:03:31,413 INFO L93 Difference]: Finished difference Result 3150 states and 4263 transitions. [2022-07-12 17:03:31,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 17:03:31,414 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 115 [2022-07-12 17:03:31,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:03:31,426 INFO L225 Difference]: With dead ends: 3150 [2022-07-12 17:03:31,427 INFO L226 Difference]: Without dead ends: 3148 [2022-07-12 17:03:31,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 17:03:31,430 INFO L413 NwaCegarLoop]: 2277 mSDtfsCounter, 2179 mSDsluCounter, 2275 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2181 SdHoareTripleChecker+Valid, 4552 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:03:31,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2181 Valid, 4552 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:03:31,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2022-07-12 17:03:31,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 3148. [2022-07-12 17:03:31,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3148 states, 2181 states have (on average 1.245300320953691) internal successors, (2716), 2256 states have internal predecessors, (2716), 770 states have call successors, (770), 178 states have call predecessors, (770), 177 states have return successors, (775), 748 states have call predecessors, (775), 768 states have call successors, (775) [2022-07-12 17:03:31,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 3148 states and 4261 transitions. [2022-07-12 17:03:31,614 INFO L78 Accepts]: Start accepts. Automaton has 3148 states and 4261 transitions. Word has length 115 [2022-07-12 17:03:31,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:03:31,615 INFO L495 AbstractCegarLoop]: Abstraction has 3148 states and 4261 transitions. [2022-07-12 17:03:31,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-12 17:03:31,615 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 4261 transitions. [2022-07-12 17:03:31,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-07-12 17:03:31,616 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:03:31,617 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:03:31,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-07-12 17:03:31,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:03:31,835 INFO L420 AbstractCegarLoop]: === Iteration 16 === 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 25 more)] === [2022-07-12 17:03:31,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:03:31,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1128863081, now seen corresponding path program 1 times [2022-07-12 17:03:31,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:03:31,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [686115232] [2022-07-12 17:03:31,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:03:31,837 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:03:31,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:03:31,838 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:03:31,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-07-12 17:03:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:32,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-12 17:03:32,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:03:33,439 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-07-12 17:03:33,439 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:03:33,439 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:03:33,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [686115232] [2022-07-12 17:03:33,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [686115232] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:03:33,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:03:33,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-07-12 17:03:33,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528386143] [2022-07-12 17:03:33,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:03:33,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-12 17:03:33,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:03:33,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-12 17:03:33,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-07-12 17:03:33,441 INFO L87 Difference]: Start difference. First operand 3148 states and 4261 transitions. Second operand has 14 states, 13 states have (on average 5.846153846153846) internal successors, (76), 13 states have internal predecessors, (76), 6 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) [2022-07-12 17:03:35,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:03:35,934 INFO L93 Difference]: Finished difference Result 4751 states and 6387 transitions. [2022-07-12 17:03:35,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-12 17:03:35,935 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.846153846153846) internal successors, (76), 13 states have internal predecessors, (76), 6 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) Word has length 141 [2022-07-12 17:03:35,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:03:35,947 INFO L225 Difference]: With dead ends: 4751 [2022-07-12 17:03:35,948 INFO L226 Difference]: Without dead ends: 3199 [2022-07-12 17:03:35,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2022-07-12 17:03:35,954 INFO L413 NwaCegarLoop]: 2279 mSDtfsCounter, 44 mSDsluCounter, 27058 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 29337 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 17:03:35,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 29337 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 17:03:35,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3199 states. [2022-07-12 17:03:36,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3199 to 3172. [2022-07-12 17:03:36,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3172 states, 2197 states have (on average 1.243513882567137) internal successors, (2732), 2272 states have internal predecessors, (2732), 778 states have call successors, (778), 178 states have call predecessors, (778), 177 states have return successors, (783), 756 states have call predecessors, (783), 776 states have call successors, (783) [2022-07-12 17:03:36,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3172 states to 3172 states and 4293 transitions. [2022-07-12 17:03:36,080 INFO L78 Accepts]: Start accepts. Automaton has 3172 states and 4293 transitions. Word has length 141 [2022-07-12 17:03:36,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:03:36,080 INFO L495 AbstractCegarLoop]: Abstraction has 3172 states and 4293 transitions. [2022-07-12 17:03:36,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.846153846153846) internal successors, (76), 13 states have internal predecessors, (76), 6 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) [2022-07-12 17:03:36,080 INFO L276 IsEmpty]: Start isEmpty. Operand 3172 states and 4293 transitions. [2022-07-12 17:03:36,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-07-12 17:03:36,082 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:03:36,082 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:03:36,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-07-12 17:03:36,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:03:36,307 INFO L420 AbstractCegarLoop]: === Iteration 17 === 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 25 more)] === [2022-07-12 17:03:36,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:03:36,308 INFO L85 PathProgramCache]: Analyzing trace with hash -904530965, now seen corresponding path program 1 times [2022-07-12 17:03:36,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:03:36,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [659827587] [2022-07-12 17:03:36,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:03:36,309 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:03:36,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:03:36,310 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:03:36,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-07-12 17:03:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:37,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 29 conjunts are in the unsatisfiable core [2022-07-12 17:03:37,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:03:38,300 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-07-12 17:03:38,300 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:03:38,300 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:03:38,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [659827587] [2022-07-12 17:03:38,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [659827587] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:03:38,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:03:38,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-12 17:03:38,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636834794] [2022-07-12 17:03:38,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:03:38,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 17:03:38,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:03:38,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 17:03:38,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-12 17:03:38,301 INFO L87 Difference]: Start difference. First operand 3172 states and 4293 transitions. Second operand has 12 states, 10 states have (on average 7.7) internal successors, (77), 9 states have internal predecessors, (77), 4 states have call successors, (22), 2 states have call predecessors, (22), 5 states have return successors, (20), 6 states have call predecessors, (20), 4 states have call successors, (20) [2022-07-12 17:03:40,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:03:40,288 INFO L93 Difference]: Finished difference Result 4715 states and 6331 transitions. [2022-07-12 17:03:40,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-12 17:03:40,289 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.7) internal successors, (77), 9 states have internal predecessors, (77), 4 states have call successors, (22), 2 states have call predecessors, (22), 5 states have return successors, (20), 6 states have call predecessors, (20), 4 states have call successors, (20) Word has length 141 [2022-07-12 17:03:40,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:03:40,300 INFO L225 Difference]: With dead ends: 4715 [2022-07-12 17:03:40,300 INFO L226 Difference]: Without dead ends: 3205 [2022-07-12 17:03:40,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2022-07-12 17:03:40,307 INFO L413 NwaCegarLoop]: 2297 mSDtfsCounter, 215 mSDsluCounter, 22587 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 24884 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 17:03:40,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 24884 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 17:03:40,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2022-07-12 17:03:40,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 3172. [2022-07-12 17:03:40,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3172 states, 2197 states have (on average 1.242603550295858) internal successors, (2730), 2270 states have internal predecessors, (2730), 778 states have call successors, (778), 178 states have call predecessors, (778), 177 states have return successors, (783), 756 states have call predecessors, (783), 776 states have call successors, (783) [2022-07-12 17:03:40,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3172 states to 3172 states and 4291 transitions. [2022-07-12 17:03:40,436 INFO L78 Accepts]: Start accepts. Automaton has 3172 states and 4291 transitions. Word has length 141 [2022-07-12 17:03:40,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:03:40,437 INFO L495 AbstractCegarLoop]: Abstraction has 3172 states and 4291 transitions. [2022-07-12 17:03:40,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.7) internal successors, (77), 9 states have internal predecessors, (77), 4 states have call successors, (22), 2 states have call predecessors, (22), 5 states have return successors, (20), 6 states have call predecessors, (20), 4 states have call successors, (20) [2022-07-12 17:03:40,437 INFO L276 IsEmpty]: Start isEmpty. Operand 3172 states and 4291 transitions. [2022-07-12 17:03:40,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-12 17:03:40,438 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:03:40,438 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:03:40,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Ended with exit code 0 [2022-07-12 17:03:40,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:03:40,652 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:03:40,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:03:40,652 INFO L85 PathProgramCache]: Analyzing trace with hash 2001262074, now seen corresponding path program 1 times [2022-07-12 17:03:40,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:03:40,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1231468396] [2022-07-12 17:03:40,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:03:40,653 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:03:40,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:03:40,654 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:03:40,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-07-12 17:03:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:41,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 1137 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 17:03:41,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:03:42,235 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:03:42,235 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:03:42,235 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:03:42,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1231468396] [2022-07-12 17:03:42,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1231468396] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:03:42,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:03:42,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 17:03:42,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612922751] [2022-07-12 17:03:42,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:03:42,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 17:03:42,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:03:42,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 17:03:42,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 17:03:42,236 INFO L87 Difference]: Start difference. First operand 3172 states and 4291 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-07-12 17:03:42,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:03:42,383 INFO L93 Difference]: Finished difference Result 3172 states and 4291 transitions. [2022-07-12 17:03:42,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 17:03:42,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 121 [2022-07-12 17:03:42,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:03:42,396 INFO L225 Difference]: With dead ends: 3172 [2022-07-12 17:03:42,396 INFO L226 Difference]: Without dead ends: 3170 [2022-07-12 17:03:42,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 17:03:42,399 INFO L413 NwaCegarLoop]: 2274 mSDtfsCounter, 2174 mSDsluCounter, 2268 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2176 SdHoareTripleChecker+Valid, 4542 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:03:42,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2176 Valid, 4542 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:03:42,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3170 states. [2022-07-12 17:03:42,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3170 to 3170. [2022-07-12 17:03:42,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3170 states, 2196 states have (on average 1.2422586520947176) internal successors, (2728), 2268 states have internal predecessors, (2728), 778 states have call successors, (778), 178 states have call predecessors, (778), 177 states have return successors, (783), 756 states have call predecessors, (783), 776 states have call successors, (783) [2022-07-12 17:03:42,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 3170 states and 4289 transitions. [2022-07-12 17:03:42,536 INFO L78 Accepts]: Start accepts. Automaton has 3170 states and 4289 transitions. Word has length 121 [2022-07-12 17:03:42,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:03:42,538 INFO L495 AbstractCegarLoop]: Abstraction has 3170 states and 4289 transitions. [2022-07-12 17:03:42,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-07-12 17:03:42,539 INFO L276 IsEmpty]: Start isEmpty. Operand 3170 states and 4289 transitions. [2022-07-12 17:03:42,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-12 17:03:42,540 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:03:42,540 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:03:42,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-07-12 17:03:42,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:03:42,759 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:03:42,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:03:42,760 INFO L85 PathProgramCache]: Analyzing trace with hash -932355171, now seen corresponding path program 1 times [2022-07-12 17:03:42,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:03:42,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [374571344] [2022-07-12 17:03:42,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:03:42,761 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:03:42,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:03:42,762 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:03:42,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-07-12 17:03:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:43,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 1140 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 17:03:43,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:03:44,239 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:03:44,239 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:03:44,239 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:03:44,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [374571344] [2022-07-12 17:03:44,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [374571344] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:03:44,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:03:44,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 17:03:44,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047336761] [2022-07-12 17:03:44,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:03:44,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 17:03:44,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:03:44,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 17:03:44,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 17:03:44,241 INFO L87 Difference]: Start difference. First operand 3170 states and 4289 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-07-12 17:03:44,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:03:44,382 INFO L93 Difference]: Finished difference Result 3170 states and 4289 transitions. [2022-07-12 17:03:44,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 17:03:44,383 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 123 [2022-07-12 17:03:44,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:03:44,392 INFO L225 Difference]: With dead ends: 3170 [2022-07-12 17:03:44,392 INFO L226 Difference]: Without dead ends: 3168 [2022-07-12 17:03:44,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 17:03:44,394 INFO L413 NwaCegarLoop]: 2272 mSDtfsCounter, 2166 mSDsluCounter, 2270 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2168 SdHoareTripleChecker+Valid, 4542 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:03:44,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2168 Valid, 4542 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:03:44,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3168 states. [2022-07-12 17:03:44,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3168 to 3168. [2022-07-12 17:03:44,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3168 states, 2195 states have (on average 1.2419134396355354) internal successors, (2726), 2266 states have internal predecessors, (2726), 778 states have call successors, (778), 178 states have call predecessors, (778), 177 states have return successors, (783), 756 states have call predecessors, (783), 776 states have call successors, (783) [2022-07-12 17:03:44,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3168 states to 3168 states and 4287 transitions. [2022-07-12 17:03:44,520 INFO L78 Accepts]: Start accepts. Automaton has 3168 states and 4287 transitions. Word has length 123 [2022-07-12 17:03:44,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:03:44,520 INFO L495 AbstractCegarLoop]: Abstraction has 3168 states and 4287 transitions. [2022-07-12 17:03:44,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-07-12 17:03:44,521 INFO L276 IsEmpty]: Start isEmpty. Operand 3168 states and 4287 transitions. [2022-07-12 17:03:44,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-07-12 17:03:44,522 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:03:44,522 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:03:44,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2022-07-12 17:03:44,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:03:44,740 INFO L420 AbstractCegarLoop]: === Iteration 20 === 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 25 more)] === [2022-07-12 17:03:44,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:03:44,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1539177400, now seen corresponding path program 1 times [2022-07-12 17:03:44,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:03:44,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1400571062] [2022-07-12 17:03:44,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:03:44,741 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:03:44,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:03:44,742 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:03:44,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-07-12 17:03:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:45,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 1266 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-12 17:03:45,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:03:46,634 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-07-12 17:03:46,635 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:03:46,635 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:03:46,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1400571062] [2022-07-12 17:03:46,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1400571062] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:03:46,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:03:46,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 17:03:46,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073740081] [2022-07-12 17:03:46,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:03:46,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 17:03:46,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:03:46,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 17:03:46,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 17:03:46,637 INFO L87 Difference]: Start difference. First operand 3168 states and 4287 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-12 17:03:46,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:03:46,885 INFO L93 Difference]: Finished difference Result 4041 states and 5442 transitions. [2022-07-12 17:03:46,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 17:03:46,886 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 145 [2022-07-12 17:03:46,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:03:46,900 INFO L225 Difference]: With dead ends: 4041 [2022-07-12 17:03:46,901 INFO L226 Difference]: Without dead ends: 4039 [2022-07-12 17:03:46,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 17:03:46,905 INFO L413 NwaCegarLoop]: 2842 mSDtfsCounter, 1626 mSDsluCounter, 6830 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1627 SdHoareTripleChecker+Valid, 9672 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:03:46,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1627 Valid, 9672 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:03:46,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4039 states. [2022-07-12 17:03:47,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4039 to 4035. [2022-07-12 17:03:47,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4035 states, 2791 states have (on average 1.2439985668219276) internal successors, (3472), 2869 states have internal predecessors, (3472), 980 states have call successors, (980), 248 states have call predecessors, (980), 247 states have return successors, (985), 956 states have call predecessors, (985), 978 states have call successors, (985) [2022-07-12 17:03:47,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4035 states to 4035 states and 5437 transitions. [2022-07-12 17:03:47,094 INFO L78 Accepts]: Start accepts. Automaton has 4035 states and 5437 transitions. Word has length 145 [2022-07-12 17:03:47,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:03:47,094 INFO L495 AbstractCegarLoop]: Abstraction has 4035 states and 5437 transitions. [2022-07-12 17:03:47,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-12 17:03:47,095 INFO L276 IsEmpty]: Start isEmpty. Operand 4035 states and 5437 transitions. [2022-07-12 17:03:47,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-07-12 17:03:47,097 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:03:47,097 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:03:47,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2022-07-12 17:03:47,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:03:47,315 INFO L420 AbstractCegarLoop]: === Iteration 21 === 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 25 more)] === [2022-07-12 17:03:47,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:03:47,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1853946059, now seen corresponding path program 1 times [2022-07-12 17:03:47,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:03:47,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1145861429] [2022-07-12 17:03:47,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:03:47,317 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:03:47,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:03:47,318 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:03:47,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-07-12 17:03:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:48,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 1330 conjuncts, 18 conjunts are in the unsatisfiable core [2022-07-12 17:03:48,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:03:48,625 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 101 proven. 3 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-07-12 17:03:48,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 17:03:49,256 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-07-12 17:03:49,256 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:03:49,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1145861429] [2022-07-12 17:03:49,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1145861429] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 17:03:49,256 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 17:03:49,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2022-07-12 17:03:49,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236481215] [2022-07-12 17:03:49,256 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 17:03:49,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 17:03:49,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:03:49,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 17:03:49,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-12 17:03:49,257 INFO L87 Difference]: Start difference. First operand 4035 states and 5437 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 3 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 4 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-12 17:03:50,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:03:50,772 INFO L93 Difference]: Finished difference Result 8336 states and 11295 transitions. [2022-07-12 17:03:50,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 17:03:50,773 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 3 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 4 states have call predecessors, (29), 3 states have call successors, (29) Word has length 147 [2022-07-12 17:03:50,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:03:50,791 INFO L225 Difference]: With dead ends: 8336 [2022-07-12 17:03:50,791 INFO L226 Difference]: Without dead ends: 4332 [2022-07-12 17:03:50,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 283 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-07-12 17:03:50,805 INFO L413 NwaCegarLoop]: 2670 mSDtfsCounter, 523 mSDsluCounter, 17865 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 20535 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-12 17:03:50,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [726 Valid, 20535 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-12 17:03:50,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4332 states. [2022-07-12 17:03:51,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4332 to 4035. [2022-07-12 17:03:51,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4035 states, 2791 states have (on average 1.2436402723038338) internal successors, (3471), 2868 states have internal predecessors, (3471), 980 states have call successors, (980), 248 states have call predecessors, (980), 247 states have return successors, (985), 956 states have call predecessors, (985), 978 states have call successors, (985) [2022-07-12 17:03:51,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4035 states to 4035 states and 5436 transitions. [2022-07-12 17:03:51,037 INFO L78 Accepts]: Start accepts. Automaton has 4035 states and 5436 transitions. Word has length 147 [2022-07-12 17:03:51,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:03:51,038 INFO L495 AbstractCegarLoop]: Abstraction has 4035 states and 5436 transitions. [2022-07-12 17:03:51,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 3 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 4 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-12 17:03:51,038 INFO L276 IsEmpty]: Start isEmpty. Operand 4035 states and 5436 transitions. [2022-07-12 17:03:51,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-12 17:03:51,039 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:03:51,039 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:03:51,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-07-12 17:03:51,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:03:51,268 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:03:51,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:03:51,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1949074983, now seen corresponding path program 1 times [2022-07-12 17:03:51,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:03:51,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [164783184] [2022-07-12 17:03:51,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:03:51,269 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:03:51,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:03:51,271 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:03:51,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2022-07-12 17:03:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:52,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 1149 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 17:03:52,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:03:52,894 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:03:52,894 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:03:52,895 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:03:52,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [164783184] [2022-07-12 17:03:52,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [164783184] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:03:52,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:03:52,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 17:03:52,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917200832] [2022-07-12 17:03:52,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:03:52,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 17:03:52,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:03:52,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 17:03:52,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 17:03:52,896 INFO L87 Difference]: Start difference. First operand 4035 states and 5436 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-07-12 17:03:53,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:03:53,092 INFO L93 Difference]: Finished difference Result 4035 states and 5436 transitions. [2022-07-12 17:03:53,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 17:03:53,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 129 [2022-07-12 17:03:53,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:03:53,106 INFO L225 Difference]: With dead ends: 4035 [2022-07-12 17:03:53,107 INFO L226 Difference]: Without dead ends: 4033 [2022-07-12 17:03:53,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 17:03:53,110 INFO L413 NwaCegarLoop]: 2267 mSDtfsCounter, 2155 mSDsluCounter, 2265 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2157 SdHoareTripleChecker+Valid, 4532 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:03:53,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2157 Valid, 4532 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:03:53,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4033 states. [2022-07-12 17:03:53,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4033 to 4033. [2022-07-12 17:03:53,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4033 states, 2790 states have (on average 1.2433691756272403) internal successors, (3469), 2866 states have internal predecessors, (3469), 980 states have call successors, (980), 248 states have call predecessors, (980), 247 states have return successors, (985), 956 states have call predecessors, (985), 978 states have call successors, (985) [2022-07-12 17:03:53,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4033 states to 4033 states and 5434 transitions. [2022-07-12 17:03:53,305 INFO L78 Accepts]: Start accepts. Automaton has 4033 states and 5434 transitions. Word has length 129 [2022-07-12 17:03:53,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:03:53,305 INFO L495 AbstractCegarLoop]: Abstraction has 4033 states and 5434 transitions. [2022-07-12 17:03:53,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-07-12 17:03:53,305 INFO L276 IsEmpty]: Start isEmpty. Operand 4033 states and 5434 transitions. [2022-07-12 17:03:53,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-07-12 17:03:53,307 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:03:53,307 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:03:53,330 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2022-07-12 17:03:53,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:03:53,523 INFO L420 AbstractCegarLoop]: === Iteration 23 === 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 25 more)] === [2022-07-12 17:03:53,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:03:53,524 INFO L85 PathProgramCache]: Analyzing trace with hash -836007048, now seen corresponding path program 1 times [2022-07-12 17:03:53,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:03:53,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1083958663] [2022-07-12 17:03:53,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:03:53,525 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:03:53,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:03:53,527 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:03:53,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2022-07-12 17:03:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:54,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 1342 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 17:03:54,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:03:55,286 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-07-12 17:03:55,286 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:03:55,287 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:03:55,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1083958663] [2022-07-12 17:03:55,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1083958663] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:03:55,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:03:55,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 17:03:55,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011246625] [2022-07-12 17:03:55,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:03:55,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 17:03:55,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:03:55,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 17:03:55,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 17:03:55,288 INFO L87 Difference]: Start difference. First operand 4033 states and 5434 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-12 17:03:55,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:03:55,771 INFO L93 Difference]: Finished difference Result 10412 states and 14137 transitions. [2022-07-12 17:03:55,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 17:03:55,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 151 [2022-07-12 17:03:55,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:03:55,796 INFO L225 Difference]: With dead ends: 10412 [2022-07-12 17:03:55,797 INFO L226 Difference]: Without dead ends: 6414 [2022-07-12 17:03:55,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 17:03:55,810 INFO L413 NwaCegarLoop]: 3171 mSDtfsCounter, 1691 mSDsluCounter, 5160 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1891 SdHoareTripleChecker+Valid, 8331 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 17:03:55,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1891 Valid, 8331 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 17:03:55,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6414 states. [2022-07-12 17:03:56,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6414 to 5149. [2022-07-12 17:03:56,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5149 states, 3548 states have (on average 1.2437993235625704) internal successors, (4413), 3637 states have internal predecessors, (4413), 1251 states have call successors, (1251), 334 states have call predecessors, (1251), 334 states have return successors, (1257), 1221 states have call predecessors, (1257), 1249 states have call successors, (1257) [2022-07-12 17:03:56,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5149 states to 5149 states and 6921 transitions. [2022-07-12 17:03:56,145 INFO L78 Accepts]: Start accepts. Automaton has 5149 states and 6921 transitions. Word has length 151 [2022-07-12 17:03:56,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:03:56,146 INFO L495 AbstractCegarLoop]: Abstraction has 5149 states and 6921 transitions. [2022-07-12 17:03:56,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-12 17:03:56,146 INFO L276 IsEmpty]: Start isEmpty. Operand 5149 states and 6921 transitions. [2022-07-12 17:03:56,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-07-12 17:03:56,148 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:03:56,148 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:03:56,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2022-07-12 17:03:56,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:03:56,371 INFO L420 AbstractCegarLoop]: === Iteration 24 === 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 25 more)] === [2022-07-12 17:03:56,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:03:56,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1345480138, now seen corresponding path program 1 times [2022-07-12 17:03:56,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:03:56,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1601093079] [2022-07-12 17:03:56,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:03:56,373 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:03:56,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:03:56,375 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:03:56,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2022-07-12 17:03:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:57,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 1342 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 17:03:57,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:03:57,665 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-07-12 17:03:57,665 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:03:57,665 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:03:57,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1601093079] [2022-07-12 17:03:57,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1601093079] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:03:57,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:03:57,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 17:03:57,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656779327] [2022-07-12 17:03:57,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:03:57,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 17:03:57,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:03:57,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 17:03:57,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 17:03:57,667 INFO L87 Difference]: Start difference. First operand 5149 states and 6921 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-12 17:03:58,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:03:58,098 INFO L93 Difference]: Finished difference Result 11256 states and 15073 transitions. [2022-07-12 17:03:58,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 17:03:58,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 151 [2022-07-12 17:03:58,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:03:58,120 INFO L225 Difference]: With dead ends: 11256 [2022-07-12 17:03:58,120 INFO L226 Difference]: Without dead ends: 7258 [2022-07-12 17:03:58,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 17:03:58,133 INFO L413 NwaCegarLoop]: 2698 mSDtfsCounter, 2228 mSDsluCounter, 1218 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2228 SdHoareTripleChecker+Valid, 3916 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 17:03:58,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2228 Valid, 3916 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 17:03:58,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7258 states. [2022-07-12 17:03:58,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7258 to 7248. [2022-07-12 17:03:58,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7248 states, 5005 states have (on average 1.23996003996004) internal successors, (6206), 5128 states have internal predecessors, (6206), 1729 states have call successors, (1729), 498 states have call predecessors, (1729), 498 states have return successors, (1737), 1689 states have call predecessors, (1737), 1727 states have call successors, (1737) [2022-07-12 17:03:58,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7248 states to 7248 states and 9672 transitions. [2022-07-12 17:03:58,529 INFO L78 Accepts]: Start accepts. Automaton has 7248 states and 9672 transitions. Word has length 151 [2022-07-12 17:03:58,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:03:58,530 INFO L495 AbstractCegarLoop]: Abstraction has 7248 states and 9672 transitions. [2022-07-12 17:03:58,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-12 17:03:58,530 INFO L276 IsEmpty]: Start isEmpty. Operand 7248 states and 9672 transitions. [2022-07-12 17:03:58,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-07-12 17:03:58,531 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:03:58,532 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:03:58,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2022-07-12 17:03:58,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:03:58,747 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:03:58,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:03:58,748 INFO L85 PathProgramCache]: Analyzing trace with hash -2102730393, now seen corresponding path program 1 times [2022-07-12 17:03:58,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:03:58,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [903389494] [2022-07-12 17:03:58,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:03:58,749 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:03:58,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:03:58,750 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:03:58,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2022-07-12 17:03:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:03:59,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 1158 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 17:03:59,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:04:00,364 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:04:00,364 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:04:00,364 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:04:00,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [903389494] [2022-07-12 17:04:00,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [903389494] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:04:00,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:04:00,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 17:04:00,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528097613] [2022-07-12 17:04:00,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:04:00,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 17:04:00,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:04:00,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 17:04:00,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 17:04:00,365 INFO L87 Difference]: Start difference. First operand 7248 states and 9672 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-12 17:04:00,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:04:00,742 INFO L93 Difference]: Finished difference Result 7248 states and 9672 transitions. [2022-07-12 17:04:00,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 17:04:00,743 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 135 [2022-07-12 17:04:00,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:04:00,765 INFO L225 Difference]: With dead ends: 7248 [2022-07-12 17:04:00,765 INFO L226 Difference]: Without dead ends: 7246 [2022-07-12 17:04:00,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 17:04:00,771 INFO L413 NwaCegarLoop]: 2265 mSDtfsCounter, 2147 mSDsluCounter, 2263 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2149 SdHoareTripleChecker+Valid, 4528 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:04:00,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2149 Valid, 4528 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:04:00,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7246 states. [2022-07-12 17:04:01,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7246 to 7246. [2022-07-12 17:04:01,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7246 states, 5004 states have (on average 1.2398081534772183) internal successors, (6204), 5126 states have internal predecessors, (6204), 1729 states have call successors, (1729), 498 states have call predecessors, (1729), 498 states have return successors, (1737), 1689 states have call predecessors, (1737), 1727 states have call successors, (1737) [2022-07-12 17:04:01,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7246 states to 7246 states and 9670 transitions. [2022-07-12 17:04:01,158 INFO L78 Accepts]: Start accepts. Automaton has 7246 states and 9670 transitions. Word has length 135 [2022-07-12 17:04:01,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:04:01,159 INFO L495 AbstractCegarLoop]: Abstraction has 7246 states and 9670 transitions. [2022-07-12 17:04:01,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-12 17:04:01,159 INFO L276 IsEmpty]: Start isEmpty. Operand 7246 states and 9670 transitions. [2022-07-12 17:04:01,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-07-12 17:04:01,160 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:04:01,160 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:04:01,185 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2022-07-12 17:04:01,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:04:01,370 INFO L420 AbstractCegarLoop]: === Iteration 26 === 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 25 more)] === [2022-07-12 17:04:01,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:04:01,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1997710427, now seen corresponding path program 1 times [2022-07-12 17:04:01,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:04:01,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1697599840] [2022-07-12 17:04:01,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:04:01,372 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:04:01,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:04:01,373 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:04:01,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2022-07-12 17:04:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:02,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 1351 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 17:04:02,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:04:02,680 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-07-12 17:04:02,680 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:04:02,680 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:04:02,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1697599840] [2022-07-12 17:04:02,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1697599840] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:04:02,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:04:02,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 17:04:02,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594977749] [2022-07-12 17:04:02,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:04:02,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 17:04:02,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:04:02,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 17:04:02,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 17:04:02,681 INFO L87 Difference]: Start difference. First operand 7246 states and 9670 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-12 17:04:03,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:04:03,120 INFO L93 Difference]: Finished difference Result 13335 states and 17802 transitions. [2022-07-12 17:04:03,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 17:04:03,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 157 [2022-07-12 17:04:03,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:04:03,142 INFO L225 Difference]: With dead ends: 13335 [2022-07-12 17:04:03,142 INFO L226 Difference]: Without dead ends: 7240 [2022-07-12 17:04:03,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 17:04:03,158 INFO L413 NwaCegarLoop]: 2261 mSDtfsCounter, 2224 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2224 SdHoareTripleChecker+Valid, 2261 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 17:04:03,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2224 Valid, 2261 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 17:04:03,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7240 states. [2022-07-12 17:04:03,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7240 to 7240. [2022-07-12 17:04:03,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7240 states, 4999 states have (on average 1.239247849569914) internal successors, (6195), 5120 states have internal predecessors, (6195), 1729 states have call successors, (1729), 498 states have call predecessors, (1729), 498 states have return successors, (1737), 1689 states have call predecessors, (1737), 1727 states have call successors, (1737) [2022-07-12 17:04:03,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7240 states to 7240 states and 9661 transitions. [2022-07-12 17:04:03,565 INFO L78 Accepts]: Start accepts. Automaton has 7240 states and 9661 transitions. Word has length 157 [2022-07-12 17:04:03,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:04:03,565 INFO L495 AbstractCegarLoop]: Abstraction has 7240 states and 9661 transitions. [2022-07-12 17:04:03,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-12 17:04:03,566 INFO L276 IsEmpty]: Start isEmpty. Operand 7240 states and 9661 transitions. [2022-07-12 17:04:03,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-07-12 17:04:03,567 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:04:03,567 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:04:03,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (27)] Ended with exit code 0 [2022-07-12 17:04:03,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:04:03,782 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:04:03,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:04:03,783 INFO L85 PathProgramCache]: Analyzing trace with hash 880426355, now seen corresponding path program 1 times [2022-07-12 17:04:03,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:04:03,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1249624953] [2022-07-12 17:04:03,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:04:03,784 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:04:03,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:04:03,785 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:04:03,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2022-07-12 17:04:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:04,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 1167 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-12 17:04:04,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:04:05,265 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-07-12 17:04:05,266 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:04:05,266 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:04:05,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1249624953] [2022-07-12 17:04:05,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1249624953] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:04:05,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:04:05,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-07-12 17:04:05,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576346869] [2022-07-12 17:04:05,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:04:05,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-12 17:04:05,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:04:05,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-12 17:04:05,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-07-12 17:04:05,268 INFO L87 Difference]: Start difference. First operand 7240 states and 9661 transitions. Second operand has 14 states, 13 states have (on average 7.230769230769231) internal successors, (94), 13 states have internal predecessors, (94), 6 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) [2022-07-12 17:04:08,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:04:08,152 INFO L93 Difference]: Finished difference Result 7389 states and 9812 transitions. [2022-07-12 17:04:08,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-12 17:04:08,153 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.230769230769231) internal successors, (94), 13 states have internal predecessors, (94), 6 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) Word has length 141 [2022-07-12 17:04:08,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:04:08,176 INFO L225 Difference]: With dead ends: 7389 [2022-07-12 17:04:08,176 INFO L226 Difference]: Without dead ends: 7246 [2022-07-12 17:04:08,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2022-07-12 17:04:08,182 INFO L413 NwaCegarLoop]: 2241 mSDtfsCounter, 1528 mSDsluCounter, 24743 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 555 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1528 SdHoareTripleChecker+Valid, 26984 SdHoareTripleChecker+Invalid, 1086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 555 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-12 17:04:08,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1528 Valid, 26984 Invalid, 1086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [555 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-12 17:04:08,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7246 states. [2022-07-12 17:04:08,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7246 to 7240. [2022-07-12 17:04:08,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7240 states, 4999 states have (on average 1.238647729545909) internal successors, (6192), 5120 states have internal predecessors, (6192), 1729 states have call successors, (1729), 498 states have call predecessors, (1729), 498 states have return successors, (1737), 1689 states have call predecessors, (1737), 1727 states have call successors, (1737) [2022-07-12 17:04:08,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7240 states to 7240 states and 9658 transitions. [2022-07-12 17:04:08,601 INFO L78 Accepts]: Start accepts. Automaton has 7240 states and 9658 transitions. Word has length 141 [2022-07-12 17:04:08,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:04:08,601 INFO L495 AbstractCegarLoop]: Abstraction has 7240 states and 9658 transitions. [2022-07-12 17:04:08,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.230769230769231) internal successors, (94), 13 states have internal predecessors, (94), 6 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) [2022-07-12 17:04:08,601 INFO L276 IsEmpty]: Start isEmpty. Operand 7240 states and 9658 transitions. [2022-07-12 17:04:08,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-07-12 17:04:08,604 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:04:08,604 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:04:08,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2022-07-12 17:04:08,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:04:08,812 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:04:08,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:04:08,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1381146895, now seen corresponding path program 1 times [2022-07-12 17:04:08,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:04:08,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1969896446] [2022-07-12 17:04:08,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:04:08,813 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:04:08,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:04:08,815 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:04:08,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2022-07-12 17:04:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:09,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 1167 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 17:04:09,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:04:10,497 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:04:10,498 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:04:10,498 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:04:10,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1969896446] [2022-07-12 17:04:10,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1969896446] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:04:10,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:04:10,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 17:04:10,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77100216] [2022-07-12 17:04:10,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:04:10,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 17:04:10,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:04:10,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 17:04:10,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 17:04:10,500 INFO L87 Difference]: Start difference. First operand 7240 states and 9658 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-07-12 17:04:10,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:04:10,875 INFO L93 Difference]: Finished difference Result 7240 states and 9658 transitions. [2022-07-12 17:04:10,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 17:04:10,876 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 141 [2022-07-12 17:04:10,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:04:10,901 INFO L225 Difference]: With dead ends: 7240 [2022-07-12 17:04:10,902 INFO L226 Difference]: Without dead ends: 7238 [2022-07-12 17:04:10,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 17:04:10,908 INFO L413 NwaCegarLoop]: 2258 mSDtfsCounter, 2134 mSDsluCounter, 2256 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2136 SdHoareTripleChecker+Valid, 4514 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:04:10,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2136 Valid, 4514 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:04:10,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7238 states. [2022-07-12 17:04:11,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7238 to 7238. [2022-07-12 17:04:11,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7238 states, 4998 states have (on average 1.2384953981592637) internal successors, (6190), 5118 states have internal predecessors, (6190), 1729 states have call successors, (1729), 498 states have call predecessors, (1729), 498 states have return successors, (1737), 1689 states have call predecessors, (1737), 1727 states have call successors, (1737) [2022-07-12 17:04:11,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7238 states to 7238 states and 9656 transitions. [2022-07-12 17:04:11,344 INFO L78 Accepts]: Start accepts. Automaton has 7238 states and 9656 transitions. Word has length 141 [2022-07-12 17:04:11,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:04:11,344 INFO L495 AbstractCegarLoop]: Abstraction has 7238 states and 9656 transitions. [2022-07-12 17:04:11,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-07-12 17:04:11,344 INFO L276 IsEmpty]: Start isEmpty. Operand 7238 states and 9656 transitions. [2022-07-12 17:04:11,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-07-12 17:04:11,346 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:04:11,346 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:04:11,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2022-07-12 17:04:11,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:04:11,547 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:04:11,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:04:11,547 INFO L85 PathProgramCache]: Analyzing trace with hash -578482679, now seen corresponding path program 1 times [2022-07-12 17:04:11,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:04:11,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1970458627] [2022-07-12 17:04:11,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:04:11,548 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:04:11,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:04:11,549 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:04:11,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2022-07-12 17:04:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:12,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 1176 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 17:04:12,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:04:13,372 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:04:13,372 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:04:13,372 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:04:13,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1970458627] [2022-07-12 17:04:13,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1970458627] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:04:13,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:04:13,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 17:04:13,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564474671] [2022-07-12 17:04:13,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:04:13,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 17:04:13,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:04:13,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 17:04:13,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 17:04:13,374 INFO L87 Difference]: Start difference. First operand 7238 states and 9656 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-07-12 17:04:13,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:04:13,793 INFO L93 Difference]: Finished difference Result 7238 states and 9656 transitions. [2022-07-12 17:04:13,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 17:04:13,793 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 147 [2022-07-12 17:04:13,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:04:13,815 INFO L225 Difference]: With dead ends: 7238 [2022-07-12 17:04:13,815 INFO L226 Difference]: Without dead ends: 7236 [2022-07-12 17:04:13,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 17:04:13,821 INFO L413 NwaCegarLoop]: 2256 mSDtfsCounter, 2126 mSDsluCounter, 2254 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2128 SdHoareTripleChecker+Valid, 4510 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:04:13,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2128 Valid, 4510 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:04:13,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7236 states. [2022-07-12 17:04:14,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7236 to 7236. [2022-07-12 17:04:14,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7236 states, 4997 states have (on average 1.238343005803482) internal successors, (6188), 5116 states have internal predecessors, (6188), 1729 states have call successors, (1729), 498 states have call predecessors, (1729), 498 states have return successors, (1737), 1689 states have call predecessors, (1737), 1727 states have call successors, (1737) [2022-07-12 17:04:14,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7236 states to 7236 states and 9654 transitions. [2022-07-12 17:04:14,240 INFO L78 Accepts]: Start accepts. Automaton has 7236 states and 9654 transitions. Word has length 147 [2022-07-12 17:04:14,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:04:14,240 INFO L495 AbstractCegarLoop]: Abstraction has 7236 states and 9654 transitions. [2022-07-12 17:04:14,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-07-12 17:04:14,240 INFO L276 IsEmpty]: Start isEmpty. Operand 7236 states and 9654 transitions. [2022-07-12 17:04:14,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-07-12 17:04:14,242 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:04:14,242 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:04:14,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2022-07-12 17:04:14,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:04:14,443 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:04:14,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:04:14,443 INFO L85 PathProgramCache]: Analyzing trace with hash -190769678, now seen corresponding path program 1 times [2022-07-12 17:04:14,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:04:14,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548523769] [2022-07-12 17:04:14,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:04:14,444 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:04:14,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:04:14,445 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:04:14,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2022-07-12 17:04:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:15,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 1185 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 17:04:15,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:04:16,137 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:04:16,137 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:04:16,137 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:04:16,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548523769] [2022-07-12 17:04:16,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [548523769] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:04:16,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:04:16,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 17:04:16,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812961370] [2022-07-12 17:04:16,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:04:16,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 17:04:16,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:04:16,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 17:04:16,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 17:04:16,138 INFO L87 Difference]: Start difference. First operand 7236 states and 9654 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-07-12 17:04:16,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:04:16,509 INFO L93 Difference]: Finished difference Result 7236 states and 9654 transitions. [2022-07-12 17:04:16,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 17:04:16,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 153 [2022-07-12 17:04:16,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:04:16,534 INFO L225 Difference]: With dead ends: 7236 [2022-07-12 17:04:16,535 INFO L226 Difference]: Without dead ends: 7234 [2022-07-12 17:04:16,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 17:04:16,540 INFO L413 NwaCegarLoop]: 2254 mSDtfsCounter, 2118 mSDsluCounter, 2252 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2120 SdHoareTripleChecker+Valid, 4506 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:04:16,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2120 Valid, 4506 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:04:16,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7234 states. [2022-07-12 17:04:16,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7234 to 7234. [2022-07-12 17:04:16,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7234 states, 4996 states have (on average 1.2381905524419536) internal successors, (6186), 5114 states have internal predecessors, (6186), 1729 states have call successors, (1729), 498 states have call predecessors, (1729), 498 states have return successors, (1737), 1689 states have call predecessors, (1737), 1727 states have call successors, (1737) [2022-07-12 17:04:16,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7234 states to 7234 states and 9652 transitions. [2022-07-12 17:04:16,989 INFO L78 Accepts]: Start accepts. Automaton has 7234 states and 9652 transitions. Word has length 153 [2022-07-12 17:04:16,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:04:16,989 INFO L495 AbstractCegarLoop]: Abstraction has 7234 states and 9652 transitions. [2022-07-12 17:04:16,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-07-12 17:04:16,990 INFO L276 IsEmpty]: Start isEmpty. Operand 7234 states and 9652 transitions. [2022-07-12 17:04:16,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-07-12 17:04:16,992 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:04:16,993 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:04:17,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2022-07-12 17:04:17,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:04:17,194 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:04:17,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:04:17,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1726635199, now seen corresponding path program 1 times [2022-07-12 17:04:17,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:04:17,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1099987341] [2022-07-12 17:04:17,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:04:17,195 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:04:17,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:04:17,196 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:04:17,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2022-07-12 17:04:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:18,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 1194 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 17:04:18,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:04:19,075 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:04:19,076 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:04:19,076 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:04:19,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1099987341] [2022-07-12 17:04:19,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1099987341] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:04:19,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:04:19,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 17:04:19,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530331252] [2022-07-12 17:04:19,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:04:19,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 17:04:19,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:04:19,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 17:04:19,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 17:04:19,077 INFO L87 Difference]: Start difference. First operand 7234 states and 9652 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-07-12 17:04:19,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:04:19,468 INFO L93 Difference]: Finished difference Result 7234 states and 9652 transitions. [2022-07-12 17:04:19,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 17:04:19,469 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 159 [2022-07-12 17:04:19,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:04:19,487 INFO L225 Difference]: With dead ends: 7234 [2022-07-12 17:04:19,487 INFO L226 Difference]: Without dead ends: 7232 [2022-07-12 17:04:19,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 17:04:19,491 INFO L413 NwaCegarLoop]: 2252 mSDtfsCounter, 2110 mSDsluCounter, 2250 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2112 SdHoareTripleChecker+Valid, 4502 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:04:19,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2112 Valid, 4502 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:04:19,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7232 states. [2022-07-12 17:04:19,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7232 to 7232. [2022-07-12 17:04:19,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7232 states, 4995 states have (on average 1.238038038038038) internal successors, (6184), 5112 states have internal predecessors, (6184), 1729 states have call successors, (1729), 498 states have call predecessors, (1729), 498 states have return successors, (1737), 1689 states have call predecessors, (1737), 1727 states have call successors, (1737) [2022-07-12 17:04:19,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7232 states to 7232 states and 9650 transitions. [2022-07-12 17:04:19,889 INFO L78 Accepts]: Start accepts. Automaton has 7232 states and 9650 transitions. Word has length 159 [2022-07-12 17:04:19,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:04:19,889 INFO L495 AbstractCegarLoop]: Abstraction has 7232 states and 9650 transitions. [2022-07-12 17:04:19,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-07-12 17:04:19,890 INFO L276 IsEmpty]: Start isEmpty. Operand 7232 states and 9650 transitions. [2022-07-12 17:04:19,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-07-12 17:04:19,891 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:04:19,891 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:04:19,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2022-07-12 17:04:20,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:04:20,108 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:04:20,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:04:20,108 INFO L85 PathProgramCache]: Analyzing trace with hash -2032672784, now seen corresponding path program 1 times [2022-07-12 17:04:20,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:04:20,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [277979289] [2022-07-12 17:04:20,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:04:20,109 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:04:20,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:04:20,110 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:04:20,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2022-07-12 17:04:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:20,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 1203 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 17:04:20,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:04:21,949 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:04:21,949 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:04:21,950 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:04:21,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [277979289] [2022-07-12 17:04:21,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [277979289] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:04:21,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:04:21,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 17:04:21,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73945840] [2022-07-12 17:04:21,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:04:21,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 17:04:21,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:04:21,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 17:04:21,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 17:04:21,951 INFO L87 Difference]: Start difference. First operand 7232 states and 9650 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-07-12 17:04:22,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:04:22,380 INFO L93 Difference]: Finished difference Result 7232 states and 9650 transitions. [2022-07-12 17:04:22,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 17:04:22,381 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 165 [2022-07-12 17:04:22,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:04:22,405 INFO L225 Difference]: With dead ends: 7232 [2022-07-12 17:04:22,405 INFO L226 Difference]: Without dead ends: 7230 [2022-07-12 17:04:22,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 17:04:22,411 INFO L413 NwaCegarLoop]: 2250 mSDtfsCounter, 2102 mSDsluCounter, 2248 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2104 SdHoareTripleChecker+Valid, 4498 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:04:22,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2104 Valid, 4498 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:04:22,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7230 states. [2022-07-12 17:04:22,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7230 to 7230. [2022-07-12 17:04:22,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7230 states, 4994 states have (on average 1.2378854625550662) internal successors, (6182), 5110 states have internal predecessors, (6182), 1729 states have call successors, (1729), 498 states have call predecessors, (1729), 498 states have return successors, (1737), 1689 states have call predecessors, (1737), 1727 states have call successors, (1737) [2022-07-12 17:04:22,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7230 states to 7230 states and 9648 transitions. [2022-07-12 17:04:22,873 INFO L78 Accepts]: Start accepts. Automaton has 7230 states and 9648 transitions. Word has length 165 [2022-07-12 17:04:22,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:04:22,873 INFO L495 AbstractCegarLoop]: Abstraction has 7230 states and 9648 transitions. [2022-07-12 17:04:22,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-07-12 17:04:22,874 INFO L276 IsEmpty]: Start isEmpty. Operand 7230 states and 9648 transitions. [2022-07-12 17:04:22,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-07-12 17:04:22,876 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:04:22,876 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:04:22,902 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2022-07-12 17:04:23,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:04:23,076 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:04:23,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:04:23,077 INFO L85 PathProgramCache]: Analyzing trace with hash 497495166, now seen corresponding path program 1 times [2022-07-12 17:04:23,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:04:23,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [931994604] [2022-07-12 17:04:23,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:04:23,078 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:04:23,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:04:23,079 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:04:23,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2022-07-12 17:04:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:23,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 1212 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 17:04:23,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:04:24,932 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:04:24,932 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:04:24,932 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:04:24,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [931994604] [2022-07-12 17:04:24,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [931994604] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:04:24,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:04:24,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 17:04:24,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449036696] [2022-07-12 17:04:24,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:04:24,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 17:04:24,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:04:24,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 17:04:24,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 17:04:24,933 INFO L87 Difference]: Start difference. First operand 7230 states and 9648 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-07-12 17:04:25,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:04:25,321 INFO L93 Difference]: Finished difference Result 7230 states and 9648 transitions. [2022-07-12 17:04:25,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 17:04:25,322 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 171 [2022-07-12 17:04:25,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:04:25,344 INFO L225 Difference]: With dead ends: 7230 [2022-07-12 17:04:25,344 INFO L226 Difference]: Without dead ends: 7228 [2022-07-12 17:04:25,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 17:04:25,350 INFO L413 NwaCegarLoop]: 2248 mSDtfsCounter, 2094 mSDsluCounter, 2246 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2096 SdHoareTripleChecker+Valid, 4494 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:04:25,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2096 Valid, 4494 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:04:25,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7228 states. [2022-07-12 17:04:25,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7228 to 7228. [2022-07-12 17:04:25,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7228 states, 4993 states have (on average 1.237732825956339) internal successors, (6180), 5108 states have internal predecessors, (6180), 1729 states have call successors, (1729), 498 states have call predecessors, (1729), 498 states have return successors, (1737), 1689 states have call predecessors, (1737), 1727 states have call successors, (1737) [2022-07-12 17:04:25,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7228 states to 7228 states and 9646 transitions. [2022-07-12 17:04:25,802 INFO L78 Accepts]: Start accepts. Automaton has 7228 states and 9646 transitions. Word has length 171 [2022-07-12 17:04:25,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:04:25,802 INFO L495 AbstractCegarLoop]: Abstraction has 7228 states and 9646 transitions. [2022-07-12 17:04:25,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-07-12 17:04:25,802 INFO L276 IsEmpty]: Start isEmpty. Operand 7228 states and 9646 transitions. [2022-07-12 17:04:25,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-07-12 17:04:25,804 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:04:25,804 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:04:25,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2022-07-12 17:04:26,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:04:26,005 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:04:26,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:04:26,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1894361284, now seen corresponding path program 1 times [2022-07-12 17:04:26,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:04:26,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1209500] [2022-07-12 17:04:26,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:04:26,007 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:04:26,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:04:26,008 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:04:26,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2022-07-12 17:04:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:26,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 1221 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 17:04:26,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:04:27,990 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:04:27,990 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:04:27,991 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:04:27,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1209500] [2022-07-12 17:04:27,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1209500] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:04:27,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:04:27,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 17:04:27,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74753386] [2022-07-12 17:04:27,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:04:27,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 17:04:27,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:04:27,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 17:04:27,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 17:04:27,992 INFO L87 Difference]: Start difference. First operand 7228 states and 9646 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-07-12 17:04:28,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:04:28,443 INFO L93 Difference]: Finished difference Result 7228 states and 9646 transitions. [2022-07-12 17:04:28,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 17:04:28,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 177 [2022-07-12 17:04:28,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:04:28,465 INFO L225 Difference]: With dead ends: 7228 [2022-07-12 17:04:28,465 INFO L226 Difference]: Without dead ends: 7226 [2022-07-12 17:04:28,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 17:04:28,469 INFO L413 NwaCegarLoop]: 2246 mSDtfsCounter, 2086 mSDsluCounter, 2244 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2088 SdHoareTripleChecker+Valid, 4490 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:04:28,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2088 Valid, 4490 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:04:28,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7226 states. [2022-07-12 17:04:28,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7226 to 7226. [2022-07-12 17:04:28,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7226 states, 4992 states have (on average 1.2375801282051282) internal successors, (6178), 5106 states have internal predecessors, (6178), 1729 states have call successors, (1729), 498 states have call predecessors, (1729), 498 states have return successors, (1737), 1689 states have call predecessors, (1737), 1727 states have call successors, (1737) [2022-07-12 17:04:28,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7226 states to 7226 states and 9644 transitions. [2022-07-12 17:04:28,929 INFO L78 Accepts]: Start accepts. Automaton has 7226 states and 9644 transitions. Word has length 177 [2022-07-12 17:04:28,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:04:28,930 INFO L495 AbstractCegarLoop]: Abstraction has 7226 states and 9644 transitions. [2022-07-12 17:04:28,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-07-12 17:04:28,930 INFO L276 IsEmpty]: Start isEmpty. Operand 7226 states and 9644 transitions. [2022-07-12 17:04:28,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-07-12 17:04:28,932 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:04:28,933 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:04:28,956 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (35)] Ended with exit code 0 [2022-07-12 17:04:29,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:04:29,147 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:04:29,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:04:29,148 INFO L85 PathProgramCache]: Analyzing trace with hash 502070306, now seen corresponding path program 1 times [2022-07-12 17:04:29,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:04:29,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [313650774] [2022-07-12 17:04:29,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:04:29,149 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:04:29,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:04:29,150 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:04:29,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2022-07-12 17:04:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:29,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 1230 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 17:04:29,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:04:30,977 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:04:30,978 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:04:30,978 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:04:30,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [313650774] [2022-07-12 17:04:30,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [313650774] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:04:30,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:04:30,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 17:04:30,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655930856] [2022-07-12 17:04:30,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:04:30,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 17:04:30,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:04:30,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 17:04:30,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 17:04:30,979 INFO L87 Difference]: Start difference. First operand 7226 states and 9644 transitions. Second operand has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-07-12 17:04:31,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:04:31,479 INFO L93 Difference]: Finished difference Result 7226 states and 9644 transitions. [2022-07-12 17:04:31,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 17:04:31,480 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 183 [2022-07-12 17:04:31,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:04:31,500 INFO L225 Difference]: With dead ends: 7226 [2022-07-12 17:04:31,500 INFO L226 Difference]: Without dead ends: 7224 [2022-07-12 17:04:31,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 17:04:31,505 INFO L413 NwaCegarLoop]: 2244 mSDtfsCounter, 2078 mSDsluCounter, 2242 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2080 SdHoareTripleChecker+Valid, 4486 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:04:31,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2080 Valid, 4486 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:04:31,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7224 states. [2022-07-12 17:04:31,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7224 to 7224. [2022-07-12 17:04:31,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7224 states, 4991 states have (on average 1.2374273692646764) internal successors, (6176), 5104 states have internal predecessors, (6176), 1729 states have call successors, (1729), 498 states have call predecessors, (1729), 498 states have return successors, (1737), 1689 states have call predecessors, (1737), 1727 states have call successors, (1737) [2022-07-12 17:04:31,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7224 states to 7224 states and 9642 transitions. [2022-07-12 17:04:32,000 INFO L78 Accepts]: Start accepts. Automaton has 7224 states and 9642 transitions. Word has length 183 [2022-07-12 17:04:32,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:04:32,001 INFO L495 AbstractCegarLoop]: Abstraction has 7224 states and 9642 transitions. [2022-07-12 17:04:32,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-07-12 17:04:32,001 INFO L276 IsEmpty]: Start isEmpty. Operand 7224 states and 9642 transitions. [2022-07-12 17:04:32,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-07-12 17:04:32,004 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:04:32,004 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:04:32,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2022-07-12 17:04:32,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:04:32,219 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:04:32,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:04:32,219 INFO L85 PathProgramCache]: Analyzing trace with hash 426259915, now seen corresponding path program 1 times [2022-07-12 17:04:32,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:04:32,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [33265091] [2022-07-12 17:04:32,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:04:32,221 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:04:32,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:04:32,222 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:04:32,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2022-07-12 17:04:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:33,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 1507 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-12 17:04:33,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:04:33,876 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-07-12 17:04:33,876 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:04:33,876 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:04:33,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [33265091] [2022-07-12 17:04:33,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [33265091] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:04:33,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:04:33,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 17:04:33,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928905653] [2022-07-12 17:04:33,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:04:33,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 17:04:33,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:04:33,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 17:04:33,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 17:04:33,878 INFO L87 Difference]: Start difference. First operand 7224 states and 9642 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-12 17:04:34,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:04:34,485 INFO L93 Difference]: Finished difference Result 7228 states and 9644 transitions. [2022-07-12 17:04:34,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 17:04:34,486 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 224 [2022-07-12 17:04:34,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:04:34,514 INFO L225 Difference]: With dead ends: 7228 [2022-07-12 17:04:34,514 INFO L226 Difference]: Without dead ends: 7226 [2022-07-12 17:04:34,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 17:04:34,521 INFO L413 NwaCegarLoop]: 2381 mSDtfsCounter, 1105 mSDsluCounter, 6458 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1106 SdHoareTripleChecker+Valid, 8839 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 17:04:34,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1106 Valid, 8839 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 17:04:34,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7226 states. [2022-07-12 17:04:34,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7226 to 7222. [2022-07-12 17:04:34,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7222 states, 4990 states have (on average 1.2362725450901804) internal successors, (6169), 5102 states have internal predecessors, (6169), 1729 states have call successors, (1729), 498 states have call predecessors, (1729), 498 states have return successors, (1737), 1689 states have call predecessors, (1737), 1727 states have call successors, (1737) [2022-07-12 17:04:35,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7222 states to 7222 states and 9635 transitions. [2022-07-12 17:04:35,019 INFO L78 Accepts]: Start accepts. Automaton has 7222 states and 9635 transitions. Word has length 224 [2022-07-12 17:04:35,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:04:35,019 INFO L495 AbstractCegarLoop]: Abstraction has 7222 states and 9635 transitions. [2022-07-12 17:04:35,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-12 17:04:35,020 INFO L276 IsEmpty]: Start isEmpty. Operand 7222 states and 9635 transitions. [2022-07-12 17:04:35,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-07-12 17:04:35,022 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:04:35,022 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:04:35,053 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (37)] Ended with exit code 0 [2022-07-12 17:04:35,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:04:35,248 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:04:35,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:04:35,248 INFO L85 PathProgramCache]: Analyzing trace with hash 621454319, now seen corresponding path program 1 times [2022-07-12 17:04:35,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:04:35,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1354677177] [2022-07-12 17:04:35,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:04:35,249 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:04:35,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:04:35,250 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:04:35,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2022-07-12 17:04:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:36,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 1239 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 17:04:36,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:04:37,144 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:04:37,145 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:04:37,145 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:04:37,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1354677177] [2022-07-12 17:04:37,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1354677177] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:04:37,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:04:37,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 17:04:37,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107230041] [2022-07-12 17:04:37,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:04:37,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 17:04:37,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:04:37,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 17:04:37,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 17:04:37,146 INFO L87 Difference]: Start difference. First operand 7222 states and 9635 transitions. Second operand has 4 states, 4 states have (on average 30.75) internal successors, (123), 3 states have internal predecessors, (123), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-07-12 17:04:37,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:04:37,578 INFO L93 Difference]: Finished difference Result 7222 states and 9635 transitions. [2022-07-12 17:04:37,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 17:04:37,578 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 3 states have internal predecessors, (123), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 189 [2022-07-12 17:04:37,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:04:37,600 INFO L225 Difference]: With dead ends: 7222 [2022-07-12 17:04:37,600 INFO L226 Difference]: Without dead ends: 7220 [2022-07-12 17:04:37,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 17:04:37,606 INFO L413 NwaCegarLoop]: 2240 mSDtfsCounter, 2068 mSDsluCounter, 2238 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2070 SdHoareTripleChecker+Valid, 4478 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:04:37,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2070 Valid, 4478 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:04:37,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7220 states. [2022-07-12 17:04:38,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7220 to 7220. [2022-07-12 17:04:38,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7220 states, 4989 states have (on average 1.2361194628182) internal successors, (6167), 5100 states have internal predecessors, (6167), 1729 states have call successors, (1729), 498 states have call predecessors, (1729), 498 states have return successors, (1737), 1689 states have call predecessors, (1737), 1727 states have call successors, (1737) [2022-07-12 17:04:38,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7220 states to 7220 states and 9633 transitions. [2022-07-12 17:04:38,098 INFO L78 Accepts]: Start accepts. Automaton has 7220 states and 9633 transitions. Word has length 189 [2022-07-12 17:04:38,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:04:38,098 INFO L495 AbstractCegarLoop]: Abstraction has 7220 states and 9633 transitions. [2022-07-12 17:04:38,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 3 states have internal predecessors, (123), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-07-12 17:04:38,098 INFO L276 IsEmpty]: Start isEmpty. Operand 7220 states and 9633 transitions. [2022-07-12 17:04:38,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-07-12 17:04:38,102 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:04:38,102 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:04:38,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2022-07-12 17:04:38,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:04:38,324 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:04:38,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:04:38,324 INFO L85 PathProgramCache]: Analyzing trace with hash 47365333, now seen corresponding path program 1 times [2022-07-12 17:04:38,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:04:38,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2105020549] [2022-07-12 17:04:38,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:04:38,325 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:04:38,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:04:38,326 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:04:38,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2022-07-12 17:04:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:39,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 1248 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 17:04:39,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:04:40,374 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:04:40,375 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:04:40,375 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:04:40,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2105020549] [2022-07-12 17:04:40,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2105020549] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:04:40,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:04:40,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 17:04:40,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989963495] [2022-07-12 17:04:40,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:04:40,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 17:04:40,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:04:40,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 17:04:40,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 17:04:40,377 INFO L87 Difference]: Start difference. First operand 7220 states and 9633 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-07-12 17:04:40,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:04:40,874 INFO L93 Difference]: Finished difference Result 7220 states and 9633 transitions. [2022-07-12 17:04:40,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 17:04:40,875 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 195 [2022-07-12 17:04:40,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:04:40,897 INFO L225 Difference]: With dead ends: 7220 [2022-07-12 17:04:40,897 INFO L226 Difference]: Without dead ends: 6353 [2022-07-12 17:04:40,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 17:04:40,904 INFO L413 NwaCegarLoop]: 2239 mSDtfsCounter, 2059 mSDsluCounter, 2239 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2059 SdHoareTripleChecker+Valid, 4478 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:04:40,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2059 Valid, 4478 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 17:04:40,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6353 states. [2022-07-12 17:04:41,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6353 to 6353. [2022-07-12 17:04:41,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6353 states, 4381 states have (on average 1.2319105227117098) internal successors, (5397), 4474 states have internal predecessors, (5397), 1523 states have call successors, (1523), 451 states have call predecessors, (1523), 446 states have return successors, (1524), 1492 states have call predecessors, (1524), 1516 states have call successors, (1524) [2022-07-12 17:04:41,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6353 states to 6353 states and 8444 transitions. [2022-07-12 17:04:41,321 INFO L78 Accepts]: Start accepts. Automaton has 6353 states and 8444 transitions. Word has length 195 [2022-07-12 17:04:41,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:04:41,321 INFO L495 AbstractCegarLoop]: Abstraction has 6353 states and 8444 transitions. [2022-07-12 17:04:41,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-07-12 17:04:41,322 INFO L276 IsEmpty]: Start isEmpty. Operand 6353 states and 8444 transitions. [2022-07-12 17:04:41,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-07-12 17:04:41,325 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:04:41,325 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:04:41,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2022-07-12 17:04:41,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:04:41,551 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:04:41,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:04:41,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1216514025, now seen corresponding path program 1 times [2022-07-12 17:04:41,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:04:41,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1154408369] [2022-07-12 17:04:41,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:04:41,553 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:04:41,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:04:41,554 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:04:41,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2022-07-12 17:04:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:42,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 1669 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-12 17:04:42,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:04:43,410 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2022-07-12 17:04:43,411 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:04:43,411 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:04:43,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1154408369] [2022-07-12 17:04:43,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1154408369] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:04:43,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:04:43,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-07-12 17:04:43,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615391134] [2022-07-12 17:04:43,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:04:43,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-12 17:04:43,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:04:43,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-12 17:04:43,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-07-12 17:04:43,412 INFO L87 Difference]: Start difference. First operand 6353 states and 8444 transitions. Second operand has 14 states, 13 states have (on average 10.538461538461538) internal successors, (137), 13 states have internal predecessors, (137), 6 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2022-07-12 17:04:47,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:04:47,114 INFO L93 Difference]: Finished difference Result 12874 states and 17253 transitions. [2022-07-12 17:04:47,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-12 17:04:47,115 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.538461538461538) internal successors, (137), 13 states have internal predecessors, (137), 6 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) Word has length 277 [2022-07-12 17:04:47,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:04:47,140 INFO L225 Difference]: With dead ends: 12874 [2022-07-12 17:04:47,140 INFO L226 Difference]: Without dead ends: 7329 [2022-07-12 17:04:47,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=114, Invalid=486, Unknown=0, NotChecked=0, Total=600 [2022-07-12 17:04:47,157 INFO L413 NwaCegarLoop]: 2270 mSDtfsCounter, 1526 mSDsluCounter, 25142 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 603 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1526 SdHoareTripleChecker+Valid, 27412 SdHoareTripleChecker+Invalid, 1237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 603 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-12 17:04:47,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1526 Valid, 27412 Invalid, 1237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [603 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-12 17:04:47,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7329 states. [2022-07-12 17:04:47,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7329 to 6383. [2022-07-12 17:04:47,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6383 states, 4403 states have (on average 1.230751760163525) internal successors, (5419), 4496 states have internal predecessors, (5419), 1531 states have call successors, (1531), 451 states have call predecessors, (1531), 446 states have return successors, (1532), 1500 states have call predecessors, (1532), 1524 states have call successors, (1532) [2022-07-12 17:04:47,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6383 states to 6383 states and 8482 transitions. [2022-07-12 17:04:47,593 INFO L78 Accepts]: Start accepts. Automaton has 6383 states and 8482 transitions. Word has length 277 [2022-07-12 17:04:47,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:04:47,594 INFO L495 AbstractCegarLoop]: Abstraction has 6383 states and 8482 transitions. [2022-07-12 17:04:47,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.538461538461538) internal successors, (137), 13 states have internal predecessors, (137), 6 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2022-07-12 17:04:47,594 INFO L276 IsEmpty]: Start isEmpty. Operand 6383 states and 8482 transitions. [2022-07-12 17:04:47,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2022-07-12 17:04:47,598 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:04:47,598 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:04:47,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (40)] Forceful destruction successful, exit code 0 [2022-07-12 17:04:47,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:04:47,812 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:04:47,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:04:47,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1708557327, now seen corresponding path program 1 times [2022-07-12 17:04:47,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:04:47,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [835321081] [2022-07-12 17:04:47,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:04:47,814 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:04:47,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:04:47,815 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:04:47,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2022-07-12 17:04:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:49,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 1731 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-12 17:04:49,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:04:49,181 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2022-07-12 17:04:49,181 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:04:49,181 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:04:49,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [835321081] [2022-07-12 17:04:49,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [835321081] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:04:49,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:04:49,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 17:04:49,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428458303] [2022-07-12 17:04:49,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:04:49,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 17:04:49,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:04:49,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 17:04:49,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 17:04:49,182 INFO L87 Difference]: Start difference. First operand 6383 states and 8482 transitions. Second operand has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-12 17:04:50,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:04:50,329 INFO L93 Difference]: Finished difference Result 12180 states and 16220 transitions. [2022-07-12 17:04:50,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 17:04:50,330 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 294 [2022-07-12 17:04:50,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:04:50,357 INFO L225 Difference]: With dead ends: 12180 [2022-07-12 17:04:50,357 INFO L226 Difference]: Without dead ends: 6607 [2022-07-12 17:04:50,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 17:04:50,376 INFO L413 NwaCegarLoop]: 1968 mSDtfsCounter, 240 mSDsluCounter, 5586 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 7554 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 17:04:50,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 7554 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 17:04:50,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6607 states. [2022-07-12 17:04:50,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6607 to 6389. [2022-07-12 17:04:50,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6389 states, 4409 states have (on average 1.23043774098435) internal successors, (5425), 4502 states have internal predecessors, (5425), 1531 states have call successors, (1531), 451 states have call predecessors, (1531), 446 states have return successors, (1532), 1500 states have call predecessors, (1532), 1524 states have call successors, (1532) [2022-07-12 17:04:50,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6389 states to 6389 states and 8488 transitions. [2022-07-12 17:04:50,828 INFO L78 Accepts]: Start accepts. Automaton has 6389 states and 8488 transitions. Word has length 294 [2022-07-12 17:04:50,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:04:50,829 INFO L495 AbstractCegarLoop]: Abstraction has 6389 states and 8488 transitions. [2022-07-12 17:04:50,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-12 17:04:50,829 INFO L276 IsEmpty]: Start isEmpty. Operand 6389 states and 8488 transitions. [2022-07-12 17:04:50,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2022-07-12 17:04:50,833 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:04:50,833 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:04:50,870 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (41)] Ended with exit code 0 [2022-07-12 17:04:51,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:04:51,060 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:04:51,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:04:51,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1403671883, now seen corresponding path program 1 times [2022-07-12 17:04:51,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:04:51,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548388305] [2022-07-12 17:04:51,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:04:51,062 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:04:51,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:04:51,072 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:04:51,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2022-07-12 17:04:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:52,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 1780 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-12 17:04:52,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:04:53,220 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2022-07-12 17:04:53,220 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:04:53,221 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:04:53,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548388305] [2022-07-12 17:04:53,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [548388305] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:04:53,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:04:53,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-07-12 17:04:53,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672935997] [2022-07-12 17:04:53,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:04:53,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-12 17:04:53,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:04:53,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-12 17:04:53,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-07-12 17:04:53,223 INFO L87 Difference]: Start difference. First operand 6389 states and 8488 transitions. Second operand has 15 states, 14 states have (on average 10.5) internal successors, (147), 14 states have internal predecessors, (147), 7 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (38), 7 states have call predecessors, (38), 7 states have call successors, (38) [2022-07-12 17:04:57,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:04:57,258 INFO L93 Difference]: Finished difference Result 12992 states and 17399 transitions. [2022-07-12 17:04:57,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-12 17:04:57,259 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 10.5) internal successors, (147), 14 states have internal predecessors, (147), 7 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (38), 7 states have call predecessors, (38), 7 states have call successors, (38) Word has length 315 [2022-07-12 17:04:57,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:04:57,289 INFO L225 Difference]: With dead ends: 12992 [2022-07-12 17:04:57,289 INFO L226 Difference]: Without dead ends: 7411 [2022-07-12 17:04:57,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=146, Invalid=610, Unknown=0, NotChecked=0, Total=756 [2022-07-12 17:04:57,311 INFO L413 NwaCegarLoop]: 2298 mSDtfsCounter, 1611 mSDsluCounter, 27524 mSDsCounter, 0 mSdLazyCounter, 725 mSolverCounterSat, 653 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1611 SdHoareTripleChecker+Valid, 29822 SdHoareTripleChecker+Invalid, 1378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 653 IncrementalHoareTripleChecker+Valid, 725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-12 17:04:57,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1611 Valid, 29822 Invalid, 1378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [653 Valid, 725 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-12 17:04:57,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7411 states. [2022-07-12 17:04:57,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7411 to 6401. [2022-07-12 17:04:57,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6401 states, 4417 states have (on average 1.2300203758206927) internal successors, (5433), 4508 states have internal predecessors, (5433), 1535 states have call successors, (1535), 451 states have call predecessors, (1535), 446 states have return successors, (1536), 1504 states have call predecessors, (1536), 1528 states have call successors, (1536) [2022-07-12 17:04:57,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6401 states to 6401 states and 8504 transitions. [2022-07-12 17:04:57,799 INFO L78 Accepts]: Start accepts. Automaton has 6401 states and 8504 transitions. Word has length 315 [2022-07-12 17:04:57,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:04:57,799 INFO L495 AbstractCegarLoop]: Abstraction has 6401 states and 8504 transitions. [2022-07-12 17:04:57,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 10.5) internal successors, (147), 14 states have internal predecessors, (147), 7 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (38), 7 states have call predecessors, (38), 7 states have call successors, (38) [2022-07-12 17:04:57,799 INFO L276 IsEmpty]: Start isEmpty. Operand 6401 states and 8504 transitions. [2022-07-12 17:04:57,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-07-12 17:04:57,803 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:04:57,803 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:04:57,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (42)] Ended with exit code 0 [2022-07-12 17:04:58,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:04:58,004 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:04:58,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:04:58,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1418739184, now seen corresponding path program 1 times [2022-07-12 17:04:58,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:04:58,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1132784044] [2022-07-12 17:04:58,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:04:58,006 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:04:58,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:04:58,007 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:04:58,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2022-07-12 17:04:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:04:59,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 1785 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-12 17:04:59,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:05:00,037 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2022-07-12 17:05:00,037 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:05:00,037 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:05:00,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1132784044] [2022-07-12 17:05:00,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1132784044] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:05:00,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:05:00,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-07-12 17:05:00,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549583871] [2022-07-12 17:05:00,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:05:00,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-12 17:05:00,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:05:00,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-12 17:05:00,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-07-12 17:05:00,039 INFO L87 Difference]: Start difference. First operand 6401 states and 8504 transitions. Second operand has 15 states, 14 states have (on average 10.642857142857142) internal successors, (149), 14 states have internal predecessors, (149), 7 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (38), 7 states have call predecessors, (38), 7 states have call successors, (38) [2022-07-12 17:05:06,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:05:06,180 INFO L93 Difference]: Finished difference Result 14259 states and 19229 transitions. [2022-07-12 17:05:06,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-07-12 17:05:06,181 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 10.642857142857142) internal successors, (149), 14 states have internal predecessors, (149), 7 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (38), 7 states have call predecessors, (38), 7 states have call successors, (38) Word has length 317 [2022-07-12 17:05:06,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:05:06,214 INFO L225 Difference]: With dead ends: 14259 [2022-07-12 17:05:06,215 INFO L226 Difference]: Without dead ends: 8666 [2022-07-12 17:05:06,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=312, Invalid=1248, Unknown=0, NotChecked=0, Total=1560 [2022-07-12 17:05:06,235 INFO L413 NwaCegarLoop]: 2590 mSDtfsCounter, 1649 mSDsluCounter, 30463 mSDsCounter, 0 mSdLazyCounter, 933 mSolverCounterSat, 924 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1748 SdHoareTripleChecker+Valid, 33053 SdHoareTripleChecker+Invalid, 1857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 924 IncrementalHoareTripleChecker+Valid, 933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-12 17:05:06,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1748 Valid, 33053 Invalid, 1857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [924 Valid, 933 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-12 17:05:06,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8666 states. [2022-07-12 17:05:06,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8666 to 6399. [2022-07-12 17:05:06,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6399 states, 4419 states have (on average 1.2308214528173795) internal successors, (5439), 4512 states have internal predecessors, (5439), 1531 states have call successors, (1531), 451 states have call predecessors, (1531), 446 states have return successors, (1532), 1500 states have call predecessors, (1532), 1524 states have call successors, (1532) [2022-07-12 17:05:06,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6399 states to 6399 states and 8502 transitions. [2022-07-12 17:05:06,798 INFO L78 Accepts]: Start accepts. Automaton has 6399 states and 8502 transitions. Word has length 317 [2022-07-12 17:05:06,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:05:06,799 INFO L495 AbstractCegarLoop]: Abstraction has 6399 states and 8502 transitions. [2022-07-12 17:05:06,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 10.642857142857142) internal successors, (149), 14 states have internal predecessors, (149), 7 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (38), 7 states have call predecessors, (38), 7 states have call successors, (38) [2022-07-12 17:05:06,799 INFO L276 IsEmpty]: Start isEmpty. Operand 6399 states and 8502 transitions. [2022-07-12 17:05:06,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-07-12 17:05:06,801 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:05:06,801 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:05:06,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (43)] Forceful destruction successful, exit code 0 [2022-07-12 17:05:07,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:05:07,002 INFO L420 AbstractCegarLoop]: === Iteration 43 === 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 25 more)] === [2022-07-12 17:05:07,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:05:07,003 INFO L85 PathProgramCache]: Analyzing trace with hash -932935093, now seen corresponding path program 1 times [2022-07-12 17:05:07,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:05:07,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2092766275] [2022-07-12 17:05:07,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:05:07,004 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:05:07,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:05:07,005 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:05:07,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2022-07-12 17:05:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:08,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 2068 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 17:05:08,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:05:08,729 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2022-07-12 17:05:08,730 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:05:08,730 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:05:08,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2092766275] [2022-07-12 17:05:08,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2092766275] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:05:08,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:05:08,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 17:05:08,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828796360] [2022-07-12 17:05:08,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:05:08,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 17:05:08,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:05:08,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 17:05:08,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 17:05:08,732 INFO L87 Difference]: Start difference. First operand 6399 states and 8502 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-12 17:05:09,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:05:09,309 INFO L93 Difference]: Finished difference Result 11992 states and 15950 transitions. [2022-07-12 17:05:09,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 17:05:09,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 309 [2022-07-12 17:05:09,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:05:09,328 INFO L225 Difference]: With dead ends: 11992 [2022-07-12 17:05:09,328 INFO L226 Difference]: Without dead ends: 6403 [2022-07-12 17:05:09,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 17:05:09,350 INFO L413 NwaCegarLoop]: 1832 mSDtfsCounter, 1 mSDsluCounter, 1825 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3657 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 17:05:09,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3657 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 17:05:09,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6403 states. [2022-07-12 17:05:09,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6403 to 6401. [2022-07-12 17:05:09,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6401 states, 4421 states have (on average 1.2307170323456231) internal successors, (5441), 4514 states have internal predecessors, (5441), 1531 states have call successors, (1531), 451 states have call predecessors, (1531), 446 states have return successors, (1532), 1500 states have call predecessors, (1532), 1524 states have call successors, (1532) [2022-07-12 17:05:09,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6401 states to 6401 states and 8504 transitions. [2022-07-12 17:05:09,814 INFO L78 Accepts]: Start accepts. Automaton has 6401 states and 8504 transitions. Word has length 309 [2022-07-12 17:05:09,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:05:09,814 INFO L495 AbstractCegarLoop]: Abstraction has 6401 states and 8504 transitions. [2022-07-12 17:05:09,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-12 17:05:09,815 INFO L276 IsEmpty]: Start isEmpty. Operand 6401 states and 8504 transitions. [2022-07-12 17:05:09,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-07-12 17:05:09,817 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:05:09,817 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:05:09,864 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (44)] Ended with exit code 0 [2022-07-12 17:05:10,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:05:10,018 INFO L420 AbstractCegarLoop]: === Iteration 44 === 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 25 more)] === [2022-07-12 17:05:10,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:05:10,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1221754483, now seen corresponding path program 1 times [2022-07-12 17:05:10,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:05:10,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1168063379] [2022-07-12 17:05:10,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:05:10,020 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:05:10,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:05:10,021 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:05:10,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2022-07-12 17:05:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:11,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 2068 conjuncts, 39 conjunts are in the unsatisfiable core [2022-07-12 17:05:11,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:05:13,874 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 130 proven. 30 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-07-12 17:05:13,874 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 17:05:19,503 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 22 proven. 42 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-07-12 17:05:19,503 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:05:19,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1168063379] [2022-07-12 17:05:19,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1168063379] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 17:05:19,504 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 17:05:19,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 29 [2022-07-12 17:05:19,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147333600] [2022-07-12 17:05:19,504 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 17:05:19,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-07-12 17:05:19,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:05:19,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-07-12 17:05:19,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=734, Unknown=0, NotChecked=0, Total=812 [2022-07-12 17:05:19,506 INFO L87 Difference]: Start difference. First operand 6401 states and 8504 transitions. Second operand has 29 states, 26 states have (on average 9.538461538461538) internal successors, (248), 23 states have internal predecessors, (248), 11 states have call successors, (55), 2 states have call predecessors, (55), 8 states have return successors, (57), 15 states have call predecessors, (57), 11 states have call successors, (57) [2022-07-12 17:05:30,533 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:05:33,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:05:33,986 INFO L93 Difference]: Finished difference Result 12346 states and 16459 transitions. [2022-07-12 17:05:33,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-12 17:05:33,988 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 26 states have (on average 9.538461538461538) internal successors, (248), 23 states have internal predecessors, (248), 11 states have call successors, (55), 2 states have call predecessors, (55), 8 states have return successors, (57), 15 states have call predecessors, (57), 11 states have call successors, (57) Word has length 309 [2022-07-12 17:05:33,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:05:34,012 INFO L225 Difference]: With dead ends: 12346 [2022-07-12 17:05:34,012 INFO L226 Difference]: Without dead ends: 6755 [2022-07-12 17:05:34,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 629 GetRequests, 591 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=156, Invalid=1326, Unknown=0, NotChecked=0, Total=1482 [2022-07-12 17:05:34,028 INFO L413 NwaCegarLoop]: 2106 mSDtfsCounter, 547 mSDsluCounter, 36936 mSDsCounter, 0 mSdLazyCounter, 1405 mSolverCounterSat, 140 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 39042 SdHoareTripleChecker+Invalid, 1546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 1405 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-07-12 17:05:34,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 39042 Invalid, 1546 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [140 Valid, 1405 Invalid, 1 Unknown, 0 Unchecked, 11.5s Time] [2022-07-12 17:05:34,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6755 states. [2022-07-12 17:05:34,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6755 to 6500. [2022-07-12 17:05:34,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6500 states, 4500 states have (on average 1.2317777777777779) internal successors, (5543), 4595 states have internal predecessors, (5543), 1550 states have call successors, (1550), 451 states have call predecessors, (1550), 447 states have return successors, (1553), 1519 states have call predecessors, (1553), 1543 states have call successors, (1553) [2022-07-12 17:05:34,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6500 states to 6500 states and 8646 transitions. [2022-07-12 17:05:34,533 INFO L78 Accepts]: Start accepts. Automaton has 6500 states and 8646 transitions. Word has length 309 [2022-07-12 17:05:34,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:05:34,534 INFO L495 AbstractCegarLoop]: Abstraction has 6500 states and 8646 transitions. [2022-07-12 17:05:34,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 26 states have (on average 9.538461538461538) internal successors, (248), 23 states have internal predecessors, (248), 11 states have call successors, (55), 2 states have call predecessors, (55), 8 states have return successors, (57), 15 states have call predecessors, (57), 11 states have call successors, (57) [2022-07-12 17:05:34,534 INFO L276 IsEmpty]: Start isEmpty. Operand 6500 states and 8646 transitions. [2022-07-12 17:05:34,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-07-12 17:05:34,537 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:05:34,537 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:05:34,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (45)] Forceful destruction successful, exit code 0 [2022-07-12 17:05:34,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:05:34,738 INFO L420 AbstractCegarLoop]: === Iteration 45 === 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 25 more)] === [2022-07-12 17:05:34,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:05:34,738 INFO L85 PathProgramCache]: Analyzing trace with hash -211150131, now seen corresponding path program 1 times [2022-07-12 17:05:34,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:05:34,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2009074894] [2022-07-12 17:05:34,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:05:34,740 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:05:34,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:05:34,741 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:05:34,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2022-07-12 17:05:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:36,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 2064 conjuncts, 19 conjunts are in the unsatisfiable core [2022-07-12 17:05:36,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:05:36,706 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-07-12 17:05:36,706 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:05:36,706 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:05:36,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2009074894] [2022-07-12 17:05:36,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2009074894] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:05:36,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:05:36,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:05:36,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232474023] [2022-07-12 17:05:36,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:05:36,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:05:36,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:05:36,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:05:36,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:05:36,708 INFO L87 Difference]: Start difference. First operand 6500 states and 8646 transitions. Second operand has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-12 17:05:37,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:05:37,376 INFO L93 Difference]: Finished difference Result 12205 states and 16253 transitions. [2022-07-12 17:05:37,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 17:05:37,377 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 309 [2022-07-12 17:05:37,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:05:37,399 INFO L225 Difference]: With dead ends: 12205 [2022-07-12 17:05:37,399 INFO L226 Difference]: Without dead ends: 6515 [2022-07-12 17:05:37,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 17:05:37,416 INFO L413 NwaCegarLoop]: 1830 mSDtfsCounter, 2 mSDsluCounter, 7311 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 9141 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 17:05:37,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 9141 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 17:05:37,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6515 states. [2022-07-12 17:05:37,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6515 to 6515. [2022-07-12 17:05:37,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6515 states, 4512 states have (on average 1.2311613475177305) internal successors, (5555), 4607 states have internal predecessors, (5555), 1550 states have call successors, (1550), 451 states have call predecessors, (1550), 450 states have return successors, (1561), 1522 states have call predecessors, (1561), 1543 states have call successors, (1561) [2022-07-12 17:05:37,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6515 states to 6515 states and 8666 transitions. [2022-07-12 17:05:37,915 INFO L78 Accepts]: Start accepts. Automaton has 6515 states and 8666 transitions. Word has length 309 [2022-07-12 17:05:37,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:05:37,916 INFO L495 AbstractCegarLoop]: Abstraction has 6515 states and 8666 transitions. [2022-07-12 17:05:37,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-12 17:05:37,916 INFO L276 IsEmpty]: Start isEmpty. Operand 6515 states and 8666 transitions. [2022-07-12 17:05:37,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2022-07-12 17:05:37,919 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:05:37,919 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:05:37,964 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (46)] Ended with exit code 0 [2022-07-12 17:05:38,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:05:38,120 INFO L420 AbstractCegarLoop]: === Iteration 46 === 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 25 more)] === [2022-07-12 17:05:38,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:05:38,120 INFO L85 PathProgramCache]: Analyzing trace with hash 2057440243, now seen corresponding path program 1 times [2022-07-12 17:05:38,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:05:38,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [783875179] [2022-07-12 17:05:38,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:05:38,122 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:05:38,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:05:38,123 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:05:38,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2022-07-12 17:05:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:40,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 2126 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 17:05:40,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:05:40,062 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-07-12 17:05:40,063 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:05:40,063 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:05:40,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [783875179] [2022-07-12 17:05:40,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [783875179] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:05:40,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:05:40,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 17:05:40,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70961963] [2022-07-12 17:05:40,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:05:40,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 17:05:40,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:05:40,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 17:05:40,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 17:05:40,065 INFO L87 Difference]: Start difference. First operand 6515 states and 8666 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-12 17:05:40,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:05:40,569 INFO L93 Difference]: Finished difference Result 12223 states and 16284 transitions. [2022-07-12 17:05:40,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 17:05:40,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 319 [2022-07-12 17:05:40,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:05:40,593 INFO L225 Difference]: With dead ends: 12223 [2022-07-12 17:05:40,593 INFO L226 Difference]: Without dead ends: 6518 [2022-07-12 17:05:40,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 17:05:40,610 INFO L413 NwaCegarLoop]: 1832 mSDtfsCounter, 0 mSDsluCounter, 1828 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3660 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:05:40,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3660 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 4 Unchecked, 0.0s Time] [2022-07-12 17:05:40,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6518 states. [2022-07-12 17:05:41,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6518 to 6518. [2022-07-12 17:05:41,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6518 states, 4515 states have (on average 1.2310077519379845) internal successors, (5558), 4610 states have internal predecessors, (5558), 1550 states have call successors, (1550), 451 states have call predecessors, (1550), 450 states have return successors, (1561), 1522 states have call predecessors, (1561), 1543 states have call successors, (1561) [2022-07-12 17:05:41,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6518 states to 6518 states and 8669 transitions. [2022-07-12 17:05:41,174 INFO L78 Accepts]: Start accepts. Automaton has 6518 states and 8669 transitions. Word has length 319 [2022-07-12 17:05:41,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:05:41,174 INFO L495 AbstractCegarLoop]: Abstraction has 6518 states and 8669 transitions. [2022-07-12 17:05:41,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-12 17:05:41,175 INFO L276 IsEmpty]: Start isEmpty. Operand 6518 states and 8669 transitions. [2022-07-12 17:05:41,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2022-07-12 17:05:41,177 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:05:41,177 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:05:41,226 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (47)] Forceful destruction successful, exit code 0 [2022-07-12 17:05:41,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:05:41,378 INFO L420 AbstractCegarLoop]: === Iteration 47 === 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 25 more)] === [2022-07-12 17:05:41,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:05:41,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1683678543, now seen corresponding path program 1 times [2022-07-12 17:05:41,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:05:41,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [369065623] [2022-07-12 17:05:41,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:05:41,380 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:05:41,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:05:41,383 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:05:41,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (48)] Waiting until timeout for monitored process [2022-07-12 17:05:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:43,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 2126 conjuncts, 35 conjunts are in the unsatisfiable core [2022-07-12 17:05:43,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:05:45,354 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 130 proven. 30 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-07-12 17:05:45,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 17:05:48,683 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 22 proven. 42 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-07-12 17:05:48,691 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:05:48,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [369065623] [2022-07-12 17:05:48,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [369065623] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 17:05:48,692 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 17:05:48,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 24 [2022-07-12 17:05:48,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343437876] [2022-07-12 17:05:48,692 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 17:05:48,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-07-12 17:05:48,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:05:48,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-07-12 17:05:48,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=482, Unknown=0, NotChecked=0, Total=552 [2022-07-12 17:05:48,693 INFO L87 Difference]: Start difference. First operand 6518 states and 8669 transitions. Second operand has 24 states, 21 states have (on average 12.095238095238095) internal successors, (254), 19 states have internal predecessors, (254), 11 states have call successors, (56), 2 states have call predecessors, (56), 7 states have return successors, (57), 14 states have call predecessors, (57), 11 states have call successors, (57) [2022-07-12 17:05:53,663 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:05:56,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:05:56,360 INFO L93 Difference]: Finished difference Result 12439 states and 16581 transitions. [2022-07-12 17:05:56,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-12 17:05:56,362 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 21 states have (on average 12.095238095238095) internal successors, (254), 19 states have internal predecessors, (254), 11 states have call successors, (56), 2 states have call predecessors, (56), 7 states have return successors, (57), 14 states have call predecessors, (57), 11 states have call successors, (57) Word has length 319 [2022-07-12 17:05:56,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:05:56,384 INFO L225 Difference]: With dead ends: 12439 [2022-07-12 17:05:56,384 INFO L226 Difference]: Without dead ends: 6731 [2022-07-12 17:05:56,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 613 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=105, Invalid=707, Unknown=0, NotChecked=0, Total=812 [2022-07-12 17:05:56,400 INFO L413 NwaCegarLoop]: 2067 mSDtfsCounter, 394 mSDsluCounter, 22090 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 164 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 24157 SdHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-07-12 17:05:56,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 24157 Invalid, 914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 749 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2022-07-12 17:05:56,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6731 states. [2022-07-12 17:05:56,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6731 to 6518. [2022-07-12 17:05:56,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6518 states, 4515 states have (on average 1.2310077519379845) internal successors, (5558), 4610 states have internal predecessors, (5558), 1550 states have call successors, (1550), 451 states have call predecessors, (1550), 450 states have return successors, (1561), 1522 states have call predecessors, (1561), 1543 states have call successors, (1561) [2022-07-12 17:05:56,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6518 states to 6518 states and 8669 transitions. [2022-07-12 17:05:56,949 INFO L78 Accepts]: Start accepts. Automaton has 6518 states and 8669 transitions. Word has length 319 [2022-07-12 17:05:56,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:05:56,949 INFO L495 AbstractCegarLoop]: Abstraction has 6518 states and 8669 transitions. [2022-07-12 17:05:56,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 21 states have (on average 12.095238095238095) internal successors, (254), 19 states have internal predecessors, (254), 11 states have call successors, (56), 2 states have call predecessors, (56), 7 states have return successors, (57), 14 states have call predecessors, (57), 11 states have call successors, (57) [2022-07-12 17:05:56,949 INFO L276 IsEmpty]: Start isEmpty. Operand 6518 states and 8669 transitions. [2022-07-12 17:05:56,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2022-07-12 17:05:56,952 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:05:56,952 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:05:56,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (48)] Forceful destruction successful, exit code 0 [2022-07-12 17:05:57,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:05:57,153 INFO L420 AbstractCegarLoop]: === Iteration 48 === 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 25 more)] === [2022-07-12 17:05:57,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:05:57,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1434158641, now seen corresponding path program 1 times [2022-07-12 17:05:57,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:05:57,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1977835616] [2022-07-12 17:05:57,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:05:57,155 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:05:57,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:05:57,156 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:05:57,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2022-07-12 17:05:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:05:59,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 2124 conjuncts, 29 conjunts are in the unsatisfiable core [2022-07-12 17:05:59,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:05:59,807 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-07-12 17:05:59,807 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:05:59,808 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:05:59,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1977835616] [2022-07-12 17:05:59,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1977835616] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:05:59,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:05:59,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 17:05:59,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461120184] [2022-07-12 17:05:59,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:05:59,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 17:05:59,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:05:59,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 17:05:59,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-07-12 17:05:59,809 INFO L87 Difference]: Start difference. First operand 6518 states and 8669 transitions. Second operand has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 9 states have internal predecessors, (170), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (33), 5 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-12 17:06:02,540 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:06:03,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:06:03,336 INFO L93 Difference]: Finished difference Result 12159 states and 16178 transitions. [2022-07-12 17:06:03,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 17:06:03,337 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 9 states have internal predecessors, (170), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (33), 5 states have call predecessors, (33), 3 states have call successors, (33) Word has length 319 [2022-07-12 17:06:03,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:06:03,354 INFO L225 Difference]: With dead ends: 12159 [2022-07-12 17:06:03,354 INFO L226 Difference]: Without dead ends: 6528 [2022-07-12 17:06:03,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-07-12 17:06:03,366 INFO L413 NwaCegarLoop]: 1959 mSDtfsCounter, 667 mSDsluCounter, 16674 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 256 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 668 SdHoareTripleChecker+Valid, 18633 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 256 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-12 17:06:03,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [668 Valid, 18633 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [256 Valid, 101 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2022-07-12 17:06:03,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6528 states. [2022-07-12 17:06:03,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6528 to 6524. [2022-07-12 17:06:03,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6524 states, 4521 states have (on average 1.2307011723070118) internal successors, (5564), 4613 states have internal predecessors, (5564), 1550 states have call successors, (1550), 451 states have call predecessors, (1550), 450 states have return successors, (1561), 1525 states have call predecessors, (1561), 1543 states have call successors, (1561) [2022-07-12 17:06:03,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6524 states to 6524 states and 8675 transitions. [2022-07-12 17:06:03,870 INFO L78 Accepts]: Start accepts. Automaton has 6524 states and 8675 transitions. Word has length 319 [2022-07-12 17:06:03,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:06:03,871 INFO L495 AbstractCegarLoop]: Abstraction has 6524 states and 8675 transitions. [2022-07-12 17:06:03,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 9 states have internal predecessors, (170), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (33), 5 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-12 17:06:03,871 INFO L276 IsEmpty]: Start isEmpty. Operand 6524 states and 8675 transitions. [2022-07-12 17:06:03,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-07-12 17:06:03,874 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:06:03,874 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:06:03,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (49)] Forceful destruction successful, exit code 0 [2022-07-12 17:06:04,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:06:04,075 INFO L420 AbstractCegarLoop]: === Iteration 49 === 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 25 more)] === [2022-07-12 17:06:04,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:06:04,075 INFO L85 PathProgramCache]: Analyzing trace with hash 834221325, now seen corresponding path program 1 times [2022-07-12 17:06:04,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:06:04,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [26083223] [2022-07-12 17:06:04,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:06:04,077 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:06:04,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:06:04,078 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:06:04,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (50)] Waiting until timeout for monitored process [2022-07-12 17:06:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:06:06,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 2184 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-12 17:06:06,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:06:06,788 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2022-07-12 17:06:06,789 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:06:06,789 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:06:06,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [26083223] [2022-07-12 17:06:06,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [26083223] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:06:06,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:06:06,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:06:06,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463844199] [2022-07-12 17:06:06,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:06:06,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:06:06,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:06:06,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:06:06,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:06:06,791 INFO L87 Difference]: Start difference. First operand 6524 states and 8675 transitions. Second operand has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-12 17:06:08,772 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:06:10,809 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:06:14,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:06:16,181 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 17:06:16,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:06:16,255 INFO L93 Difference]: Finished difference Result 12505 states and 16675 transitions. [2022-07-12 17:06:16,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 17:06:16,286 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 329 [2022-07-12 17:06:16,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:06:16,308 INFO L225 Difference]: With dead ends: 12505 [2022-07-12 17:06:16,308 INFO L226 Difference]: Without dead ends: 6870 [2022-07-12 17:06:16,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 17:06:16,322 INFO L413 NwaCegarLoop]: 2049 mSDtfsCounter, 128 mSDsluCounter, 8012 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 10061 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-07-12 17:06:16,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 10061 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 3 Unknown, 0 Unchecked, 8.8s Time] [2022-07-12 17:06:16,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6870 states. [2022-07-12 17:06:16,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6870 to 6534. [2022-07-12 17:06:16,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6534 states, 4529 states have (on average 1.230293663060278) internal successors, (5572), 4621 states have internal predecessors, (5572), 1550 states have call successors, (1550), 451 states have call predecessors, (1550), 452 states have return successors, (1568), 1527 states have call predecessors, (1568), 1543 states have call successors, (1568) [2022-07-12 17:06:16,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6534 states to 6534 states and 8690 transitions. [2022-07-12 17:06:16,829 INFO L78 Accepts]: Start accepts. Automaton has 6534 states and 8690 transitions. Word has length 329 [2022-07-12 17:06:16,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:06:16,829 INFO L495 AbstractCegarLoop]: Abstraction has 6534 states and 8690 transitions. [2022-07-12 17:06:16,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-12 17:06:16,830 INFO L276 IsEmpty]: Start isEmpty. Operand 6534 states and 8690 transitions. [2022-07-12 17:06:16,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2022-07-12 17:06:16,833 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:06:16,833 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:06:16,880 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (50)] Ended with exit code 0 [2022-07-12 17:06:17,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:06:17,034 INFO L420 AbstractCegarLoop]: === Iteration 50 === 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 25 more)] === [2022-07-12 17:06:17,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:06:17,034 INFO L85 PathProgramCache]: Analyzing trace with hash 566788595, now seen corresponding path program 1 times [2022-07-12 17:06:17,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:06:17,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [397192191] [2022-07-12 17:06:17,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:06:17,036 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:06:17,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:06:17,037 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:06:17,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (51)] Waiting until timeout for monitored process [2022-07-12 17:06:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:06:19,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 2218 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 17:06:19,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:06:19,427 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2022-07-12 17:06:19,427 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:06:19,427 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 17:06:19,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [397192191] [2022-07-12 17:06:19,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [397192191] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:06:19,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:06:19,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 17:06:19,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950724398] [2022-07-12 17:06:19,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:06:19,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 17:06:19,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 17:06:19,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 17:06:19,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 17:06:19,429 INFO L87 Difference]: Start difference. First operand 6534 states and 8690 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-12 17:06:20,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:06:20,038 INFO L93 Difference]: Finished difference Result 12243 states and 16311 transitions. [2022-07-12 17:06:20,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 17:06:20,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 345 [2022-07-12 17:06:20,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:06:20,060 INFO L225 Difference]: With dead ends: 12243 [2022-07-12 17:06:20,061 INFO L226 Difference]: Without dead ends: 6598 [2022-07-12 17:06:20,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 17:06:20,079 INFO L413 NwaCegarLoop]: 1845 mSDtfsCounter, 16 mSDsluCounter, 1824 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 3669 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 17:06:20,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 3669 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 17:06:20,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6598 states. [2022-07-12 17:06:20,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6598 to 6538. [2022-07-12 17:06:20,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6538 states, 4533 states have (on average 1.230090447827046) internal successors, (5576), 4625 states have internal predecessors, (5576), 1550 states have call successors, (1550), 451 states have call predecessors, (1550), 452 states have return successors, (1568), 1527 states have call predecessors, (1568), 1543 states have call successors, (1568) [2022-07-12 17:06:20,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6538 states to 6538 states and 8694 transitions. [2022-07-12 17:06:20,586 INFO L78 Accepts]: Start accepts. Automaton has 6538 states and 8694 transitions. Word has length 345 [2022-07-12 17:06:20,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:06:20,586 INFO L495 AbstractCegarLoop]: Abstraction has 6538 states and 8694 transitions. [2022-07-12 17:06:20,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-12 17:06:20,587 INFO L276 IsEmpty]: Start isEmpty. Operand 6538 states and 8694 transitions. [2022-07-12 17:06:20,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2022-07-12 17:06:20,590 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:06:20,591 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:06:20,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (51)] Forceful destruction successful, exit code 0 [2022-07-12 17:06:20,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 17:06:20,791 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-12 17:06:20,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:06:20,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1722214344, now seen corresponding path program 1 times [2022-07-12 17:06:20,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 17:06:20,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [398427801] [2022-07-12 17:06:20,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:06:20,794 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 17:06:20,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 17:06:20,795 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 17:06:20,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (52)] Waiting until timeout for monitored process