./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.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 429546fed7ce98cca10b6fee2111fe4d858ea336d514969d68b4b69efba17a4e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 10:48:44,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 10:48:44,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 10:48:44,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 10:48:44,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 10:48:44,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 10:48:44,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 10:48:44,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 10:48:44,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 10:48:44,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 10:48:44,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 10:48:44,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 10:48:44,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 10:48:44,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 10:48:44,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 10:48:44,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 10:48:44,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 10:48:44,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 10:48:44,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 10:48:44,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 10:48:44,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 10:48:44,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 10:48:44,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 10:48:44,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 10:48:44,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 10:48:44,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 10:48:44,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 10:48:44,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 10:48:44,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 10:48:44,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 10:48:44,718 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 10:48:44,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 10:48:44,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 10:48:44,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 10:48:44,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 10:48:44,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 10:48:44,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 10:48:44,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 10:48:44,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 10:48:44,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 10:48:44,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 10:48:44,726 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 10:48:44,754 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 10:48:44,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 10:48:44,755 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 10:48:44,755 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 10:48:44,756 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 10:48:44,756 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 10:48:44,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 10:48:44,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 10:48:44,757 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 10:48:44,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 10:48:44,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 10:48:44,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 10:48:44,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 10:48:44,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 10:48:44,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 10:48:44,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 10:48:44,759 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 10:48:44,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 10:48:44,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 10:48:44,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 10:48:44,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 10:48:44,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 10:48:44,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 10:48:44,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 10:48:44,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 10:48:44,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 10:48:44,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 10:48:44,760 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 10:48:44,761 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 10:48:44,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 10:48:44,761 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 10:48:44,761 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 429546fed7ce98cca10b6fee2111fe4d858ea336d514969d68b4b69efba17a4e [2021-11-17 10:48:44,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 10:48:44,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 10:48:44,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 10:48:44,996 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 10:48:44,997 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 10:48:44,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-11-17 10:48:45,051 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e573d4f29/4c47cfd608d24a87b032dd468c86964a/FLAGf8cd302cf [2021-11-17 10:48:45,807 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 10:48:45,808 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-11-17 10:48:45,863 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e573d4f29/4c47cfd608d24a87b032dd468c86964a/FLAGf8cd302cf [2021-11-17 10:48:46,361 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e573d4f29/4c47cfd608d24a87b032dd468c86964a [2021-11-17 10:48:46,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 10:48:46,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 10:48:46,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 10:48:46,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 10:48:46,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 10:48:46,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:48:46" (1/1) ... [2021-11-17 10:48:46,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@625f6984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:46, skipping insertion in model container [2021-11-17 10:48:46,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:48:46" (1/1) ... [2021-11-17 10:48:46,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 10:48:46,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 10:48:51,667 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[549278,549291] [2021-11-17 10:48:51,670 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[549444,549457] [2021-11-17 10:48:51,671 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[549608,549621] [2021-11-17 10:48:51,671 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[549773,549786] [2021-11-17 10:48:51,701 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 10:48:51,792 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 10:48:52,116 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[549278,549291] [2021-11-17 10:48:52,117 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[549444,549457] [2021-11-17 10:48:52,117 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[549608,549621] [2021-11-17 10:48:52,118 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i[549773,549786] [2021-11-17 10:48:52,123 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 10:48:52,324 INFO L208 MainTranslator]: Completed translation [2021-11-17 10:48:52,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:52 WrapperNode [2021-11-17 10:48:52,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 10:48:52,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 10:48:52,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 10:48:52,326 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 10:48:52,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:52" (1/1) ... [2021-11-17 10:48:52,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:52" (1/1) ... [2021-11-17 10:48:52,807 INFO L137 Inliner]: procedures = 606, calls = 5908, calls flagged for inlining = 318, calls inlined = 304, statements flattened = 12708 [2021-11-17 10:48:52,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 10:48:52,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 10:48:52,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 10:48:52,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 10:48:52,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:52" (1/1) ... [2021-11-17 10:48:52,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:52" (1/1) ... [2021-11-17 10:48:52,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:52" (1/1) ... [2021-11-17 10:48:52,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:52" (1/1) ... [2021-11-17 10:48:53,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:52" (1/1) ... [2021-11-17 10:48:53,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:52" (1/1) ... [2021-11-17 10:48:53,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:52" (1/1) ... [2021-11-17 10:48:53,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 10:48:53,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 10:48:53,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 10:48:53,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 10:48:53,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:52" (1/1) ... [2021-11-17 10:48:53,357 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 10:48:53,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 10:48:53,397 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) [2021-11-17 10:48:53,463 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 [2021-11-17 10:48:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8211b [2021-11-17 10:48:53,493 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8211b [2021-11-17 10:48:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nway_reset [2021-11-17 10:48:53,493 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nway_reset [2021-11-17 10:48:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-17 10:48:53,493 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-17 10:48:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_rxtx [2021-11-17 10:48:53,493 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_rxtx [2021-11-17 10:48:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_tx [2021-11-17 10:48:53,493 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_tx [2021-11-17 10:48:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_lock [2021-11-17 10:48:53,493 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_lock [2021-11-17 10:48:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-17 10:48:53,493 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-17 10:48:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 10:48:53,493 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 10:48:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-11-17 10:48:53,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-11-17 10:48:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-17 10:48:53,494 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-17 10:48:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-17 10:48:53,494 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-17 10:48:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_multicast [2021-11-17 10:48:53,494 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_multicast [2021-11-17 10:48:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 10:48:53,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 10:48:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-17 10:48:53,494 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-17 10:48:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure nv_msi_workaround [2021-11-17 10:48:53,494 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_msi_workaround [2021-11-17 10:48:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_empty_tx_slots [2021-11-17 10:48:53,494 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_empty_tx_slots [2021-11-17 10:48:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-17 10:48:53,495 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-17 10:48:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 10:48:53,495 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 10:48:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-17 10:48:53,495 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-17 10:48:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 10:48:53,495 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 10:48:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure nv_close [2021-11-17 10:48:53,495 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_close [2021-11-17 10:48:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure dma_high [2021-11-17 10:48:53,495 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_high [2021-11-17 10:48:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_hw_interrupts [2021-11-17 10:48:53,496 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_hw_interrupts [2021-11-17 10:48:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-17 10:48:53,496 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-17 10:48:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 10:48:53,496 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 10:48:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rxtx [2021-11-17 10:48:53,497 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rxtx [2021-11-17 10:48:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure nv_vlan_mode [2021-11-17 10:48:53,497 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_vlan_mode [2021-11-17 10:48:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-17 10:48:53,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-17 10:48:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 10:48:53,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 10:48:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8201 [2021-11-17 10:48:53,498 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8201 [2021-11-17 10:48:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-17 10:48:53,498 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-17 10:48:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure reg_delay [2021-11-17 10:48:53,498 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_delay [2021-11-17 10:48:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-17 10:48:53,499 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-17 10:48:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 10:48:53,499 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 10:48:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 10:48:53,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 10:48:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-17 10:48:53,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-17 10:48:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 10:48:53,499 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 10:48:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-17 10:48:53,499 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-17 10:48:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2021-11-17 10:48:53,499 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2021-11-17 10:48:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 10:48:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-17 10:48:53,499 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-17 10:48:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure pci_push [2021-11-17 10:48:53,499 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_push [2021-11-17 10:48:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2021-11-17 10:48:53,500 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2021-11-17 10:48:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-17 10:48:53,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-17 10:48:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2021-11-17 10:48:53,500 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2021-11-17 10:48:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 10:48:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 10:48:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 10:48:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 10:48:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 10:48:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 10:48:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-17 10:48:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-17 10:48:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx_optimized [2021-11-17 10:48:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx_optimized [2021-11-17 10:48:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 10:48:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-17 10:48:53,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-17 10:48:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 10:48:53,514 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 10:48:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 10:48:53,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 10:48:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep [2021-11-17 10:48:53,515 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep [2021-11-17 10:48:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 10:48:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 10:48:53,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 10:48:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 10:48:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 10:48:53,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 10:48:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 10:48:53,518 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 10:48:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_forcedeth_pci_driver_exit_20_2 [2021-11-17 10:48:53,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_forcedeth_pci_driver_exit_20_2 [2021-11-17 10:48:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-17 10:48:53,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-17 10:48:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-17 10:48:53,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-17 10:48:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 10:48:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 10:48:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_tx [2021-11-17 10:48:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_tx [2021-11-17 10:48:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_stats [2021-11-17 10:48:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_stats [2021-11-17 10:48:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-17 10:48:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-17 10:48:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 10:48:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 10:48:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_sent_queue [2021-11-17 10:48:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_sent_queue [2021-11-17 10:48:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure get_hwbase [2021-11-17 10:48:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hwbase [2021-11-17 10:48:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure setup_hw_rings [2021-11-17 10:48:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_hw_rings [2021-11-17 10:48:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_tx [2021-11-17 10:48:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_tx [2021-11-17 10:48:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 10:48:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-17 10:48:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-17 10:48:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-17 10:48:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-17 10:48:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-17 10:48:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-17 10:48:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-17 10:48:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-17 10:48:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure nv_free_irq [2021-11-17 10:48:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_free_irq [2021-11-17 10:48:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-17 10:48:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-17 10:48:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure nv_shutdown [2021-11-17 10:48:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_shutdown [2021-11-17 10:48:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 10:48:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-17 10:48:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-17 10:48:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure nv_suspend [2021-11-17 10:48:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_suspend [2021-11-17 10:48:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 10:48:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 10:48:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 10:48:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 10:48:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 10:48:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 10:48:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure nv_gear_backoff_reseed [2021-11-17 10:48:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_gear_backoff_reseed [2021-11-17 10:48:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 10:48:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 10:48:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-17 10:48:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-17 10:48:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-17 10:48:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-17 10:48:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-11-17 10:48:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-11-17 10:48:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 10:48:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 10:48:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx [2021-11-17 10:48:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx [2021-11-17 10:48:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-11-17 10:48:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-11-17 10:48:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_other [2021-11-17 10:48:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_other [2021-11-17 10:48:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-17 10:48:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-17 10:48:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_rx [2021-11-17 10:48:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_rx [2021-11-17 10:48:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure nv_restore_mac_addr [2021-11-17 10:48:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_restore_mac_addr [2021-11-17 10:48:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-17 10:48:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-17 10:48:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 10:48:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 10:48:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-17 10:48:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-17 10:48:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-17 10:48:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-17 10:48:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_disable [2021-11-17 10:48:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_disable [2021-11-17 10:48:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-11-17 10:48:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-11-17 10:48:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-17 10:48:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-17 10:48:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_timeout [2021-11-17 10:48:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_timeout [2021-11-17 10:48:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure nv_rx_process_optimized [2021-11-17 10:48:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_rx_process_optimized [2021-11-17 10:48:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-17 10:48:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-17 10:48:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 10:48:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 10:48:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_ring [2021-11-17 10:48:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_ring [2021-11-17 10:48:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-17 10:48:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-17 10:48:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure nv_legacybackoff_reseed [2021-11-17 10:48:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_legacybackoff_reseed [2021-11-17 10:48:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 10:48:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 10:48:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-17 10:48:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-17 10:48:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure nv_poll_controller [2021-11-17 10:48:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_poll_controller [2021-11-17 10:48:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-17 10:48:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-17 10:48:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done_optimized [2021-11-17 10:48:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done_optimized [2021-11-17 10:48:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 10:48:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 10:48:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 10:48:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 10:48:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 10:48:53,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 10:48:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_sset_count [2021-11-17 10:48:53,529 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_sset_count [2021-11-17 10:48:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-17 10:48:53,529 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-17 10:48:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-17 10:48:53,529 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-17 10:48:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_gate [2021-11-17 10:48:53,531 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_gate [2021-11-17 10:48:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure nv_remove [2021-11-17 10:48:53,531 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_remove [2021-11-17 10:48:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-17 10:48:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_enable [2021-11-17 10:48:53,532 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_enable [2021-11-17 10:48:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-11-17 10:48:53,532 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-11-17 10:48:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-17 10:48:53,532 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-17 10:48:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-17 10:48:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-17 10:48:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-11-17 10:48:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-11-17 10:48:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-11-17 10:48:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-11-17 10:48:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure free_rings [2021-11-17 10:48:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rings [2021-11-17 10:48:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-17 10:48:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-17 10:48:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_reset [2021-11-17 10:48:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_reset [2021-11-17 10:48:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 10:48:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 10:48:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-17 10:48:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-17 10:48:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure nv_do_nic_poll [2021-11-17 10:48:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_do_nic_poll [2021-11-17 10:48:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-11-17 10:48:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-11-17 10:48:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-17 10:48:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-17 10:48:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-17 10:48:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-17 10:48:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-17 10:48:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-17 10:48:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure nv_resume [2021-11-17 10:48:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_resume [2021-11-17 10:48:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-17 10:48:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-17 10:48:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-17 10:48:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-17 10:48:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2021-11-17 10:48:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2021-11-17 10:48:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-17 10:48:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-17 10:48:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-17 10:48:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-17 10:48:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-17 10:48:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-17 10:48:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 10:48:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rw [2021-11-17 10:48:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rw [2021-11-17 10:48:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure set_msix_vector_map [2021-11-17 10:48:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure set_msix_vector_map [2021-11-17 10:48:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 10:48:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 10:48:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 10:48:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_loopback [2021-11-17 10:48:53,535 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_loopback [2021-11-17 10:48:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure nv_mac_reset [2021-11-17 10:48:53,535 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_mac_reset [2021-11-17 10:48:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 10:48:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_completed_queue [2021-11-17 10:48:53,535 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_completed_queue [2021-11-17 10:48:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 10:48:53,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 10:48:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-17 10:48:53,535 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-17 10:48:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-17 10:48:53,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-17 10:48:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done [2021-11-17 10:48:53,535 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done [2021-11-17 10:48:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-17 10:48:53,535 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-17 10:48:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-17 10:48:53,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-17 10:48:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-17 10:48:53,535 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-17 10:48:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 10:48:53,535 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 10:48:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-17 10:48:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-17 10:48:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 10:48:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 10:48:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2021-11-17 10:48:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2021-11-17 10:48:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-17 10:48:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-17 10:48:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure nv_linkchange [2021-11-17 10:48:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_linkchange [2021-11-17 10:48:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_hw_interrupts [2021-11-17 10:48:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_hw_interrupts [2021-11-17 10:48:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2021-11-17 10:48:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2021-11-17 10:48:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure phy_init [2021-11-17 10:48:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_init [2021-11-17 10:48:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure dma_low [2021-11-17 10:48:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_low [2021-11-17 10:48:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure nv_copy_mac_to_hw [2021-11-17 10:48:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_copy_mac_to_hw [2021-11-17 10:48:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-17 10:48:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-17 10:48:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 10:48:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 10:48:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-17 10:48:53,537 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-17 10:48:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-17 10:48:53,537 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-17 10:48:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_tx [2021-11-17 10:48:53,537 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_tx [2021-11-17 10:48:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock_bh [2021-11-17 10:48:53,537 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock_bh [2021-11-17 10:48:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 10:48:53,537 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 10:48:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock_bh [2021-11-17 10:48:53,537 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock_bh [2021-11-17 10:48:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure nv_force_linkspeed [2021-11-17 10:48:53,537 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_force_linkspeed [2021-11-17 10:48:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 10:48:53,537 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 10:48:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_pause [2021-11-17 10:48:53,537 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_pause [2021-11-17 10:48:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 10:48:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_tx [2021-11-17 10:48:53,537 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_tx [2021-11-17 10:48:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-17 10:48:53,537 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-17 10:48:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-17 10:48:53,537 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-17 10:48:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 10:48:53,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 10:48:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_irq [2021-11-17 10:48:53,538 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_irq [2021-11-17 10:48:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 10:48:53,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 10:48:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure nv_unmap_txskb [2021-11-17 10:48:53,538 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_unmap_txskb [2021-11-17 10:48:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-11-17 10:48:53,538 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-11-17 10:48:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rx [2021-11-17 10:48:53,538 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rx [2021-11-17 10:48:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-11-17 10:48:53,538 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-11-17 10:48:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-17 10:48:53,538 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-17 10:48:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-17 10:48:53,538 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-17 10:48:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure nv_getlen [2021-11-17 10:48:53,538 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_getlen [2021-11-17 10:48:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure nv_link_irq [2021-11-17 10:48:53,538 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_link_irq [2021-11-17 10:48:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure nv_optimized [2021-11-17 10:48:53,538 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_optimized [2021-11-17 10:48:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-11-17 10:48:53,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-11-17 10:48:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rxtx [2021-11-17 10:48:53,539 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rxtx [2021-11-17 10:48:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_linkspeed [2021-11-17 10:48:53,539 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_linkspeed [2021-11-17 10:48:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure using_multi_irqs [2021-11-17 10:48:53,539 INFO L138 BoogieDeclarations]: Found implementation of procedure using_multi_irqs [2021-11-17 10:48:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock [2021-11-17 10:48:53,539 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock [2021-11-17 10:48:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 10:48:53,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 10:48:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-17 10:48:53,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-17 10:48:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-17 10:48:53,539 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-17 10:48:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-17 10:48:53,539 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-17 10:48:53,551 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_lockdep [2021-11-17 10:48:53,551 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_lockdep [2021-11-17 10:48:53,551 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_irq [2021-11-17 10:48:53,551 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_irq [2021-11-17 10:48:53,551 INFO L130 BoogieDeclarations]: Found specification of procedure nv_open [2021-11-17 10:48:53,552 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_open [2021-11-17 10:48:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-17 10:48:53,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-17 10:48:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rx [2021-11-17 10:48:53,552 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rx [2021-11-17 10:48:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-17 10:48:53,552 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-17 10:48:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure phy_reset [2021-11-17 10:48:53,552 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_reset [2021-11-17 10:48:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-17 10:48:53,552 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-17 10:48:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-17 10:48:53,553 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-17 10:48:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 10:48:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure get_nvpriv [2021-11-17 10:48:53,553 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nvpriv [2021-11-17 10:48:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure nv_request_irq [2021-11-17 10:48:53,553 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_request_irq [2021-11-17 10:48:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 10:48:53,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 10:48:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_regs_len [2021-11-17 10:48:53,554 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_regs_len [2021-11-17 10:48:54,688 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 10:48:54,691 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 10:48:55,201 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 10:58:34,880 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-17 10:58:35,025 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 10:58:35,055 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 10:58:35,056 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-17 10:58:35,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:58:35 BoogieIcfgContainer [2021-11-17 10:58:35,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 10:58:35,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 10:58:35,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 10:58:35,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 10:58:35,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 10:48:46" (1/3) ... [2021-11-17 10:58:35,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb68060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:58:35, skipping insertion in model container [2021-11-17 10:58:35,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:48:52" (2/3) ... [2021-11-17 10:58:35,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb68060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:58:35, skipping insertion in model container [2021-11-17 10:58:35,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:58:35" (3/3) ... [2021-11-17 10:58:35,067 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-11-17 10:58:35,073 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 10:58:35,073 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 10:58:35,119 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 10:58:35,130 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 10:58:35,130 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 10:58:35,211 INFO L276 IsEmpty]: Start isEmpty. Operand has 5173 states, 3322 states have (on average 1.3037326911499096) internal successors, (4331), 3440 states have internal predecessors, (4331), 1640 states have call successors, (1640), 211 states have call predecessors, (1640), 210 states have return successors, (1629), 1599 states have call predecessors, (1629), 1629 states have call successors, (1629) [2021-11-17 10:58:35,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-17 10:58:35,227 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:58:35,228 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:58:35,228 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:58:35,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:58:35,231 INFO L85 PathProgramCache]: Analyzing trace with hash 2033539809, now seen corresponding path program 1 times [2021-11-17 10:58:35,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:58:35,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058699070] [2021-11-17 10:58:35,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:58:35,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:58:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:58:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:58:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:58:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:58:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:58:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:58:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:58:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:58:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:58:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:58:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:58:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:58:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:58:36,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:58:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:58:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:58:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:58:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:58:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:58:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:58:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:58:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:58:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:58:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:58:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:58:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:58:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:58:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:58:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:58:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:58:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:58:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:58:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:58:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:58:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:58:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:58:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:58:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:58:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 10:58:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:58:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 10:58:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:58:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 10:58:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:58:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 10:58:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:58:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 10:58:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:58:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 10:58:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 10:58:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:58:36,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2021-11-17 10:58:36,755 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:58:36,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058699070] [2021-11-17 10:58:36,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058699070] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:58:36,759 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:58:36,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:58:36,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102770984] [2021-11-17 10:58:36,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:58:36,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:58:36,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:58:36,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:58:36,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:58:36,796 INFO L87 Difference]: Start difference. First operand has 5173 states, 3322 states have (on average 1.3037326911499096) internal successors, (4331), 3440 states have internal predecessors, (4331), 1640 states have call successors, (1640), 211 states have call predecessors, (1640), 210 states have return successors, (1629), 1599 states have call predecessors, (1629), 1629 states have call successors, (1629) Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-17 10:58:38,972 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:58:41,316 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:58:54,029 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:59:17,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:59:17,905 INFO L93 Difference]: Finished difference Result 16145 states and 24174 transitions. [2021-11-17 10:59:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:59:17,907 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 292 [2021-11-17 10:59:17,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:59:18,004 INFO L225 Difference]: With dead ends: 16145 [2021-11-17 10:59:18,005 INFO L226 Difference]: Without dead ends: 11008 [2021-11-17 10:59:18,054 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:59:18,061 INFO L933 BasicCegarLoop]: 8287 mSDtfsCounter, 9725 mSDsluCounter, 8218 mSDsCounter, 0 mSdLazyCounter, 5768 mSolverCounterSat, 5432 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11367 SdHoareTripleChecker+Valid, 16505 SdHoareTripleChecker+Invalid, 11203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5432 IncrementalHoareTripleChecker+Valid, 5768 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.8s IncrementalHoareTripleChecker+Time [2021-11-17 10:59:18,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11367 Valid, 16505 Invalid, 11203 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5432 Valid, 5768 Invalid, 3 Unknown, 0 Unchecked, 39.8s Time] [2021-11-17 10:59:18,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11008 states. [2021-11-17 10:59:18,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11008 to 10134. [2021-11-17 10:59:18,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10134 states, 6506 states have (on average 1.2949584998462957) internal successors, (8425), 6739 states have internal predecessors, (8425), 3211 states have call successors, (3211), 417 states have call predecessors, (3211), 416 states have return successors, (3207), 3147 states have call predecessors, (3207), 3207 states have call successors, (3207) [2021-11-17 10:59:18,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10134 states to 10134 states and 14843 transitions. [2021-11-17 10:59:18,617 INFO L78 Accepts]: Start accepts. Automaton has 10134 states and 14843 transitions. Word has length 292 [2021-11-17 10:59:18,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:59:18,619 INFO L470 AbstractCegarLoop]: Abstraction has 10134 states and 14843 transitions. [2021-11-17 10:59:18,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-17 10:59:18,619 INFO L276 IsEmpty]: Start isEmpty. Operand 10134 states and 14843 transitions. [2021-11-17 10:59:18,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-11-17 10:59:18,632 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:59:18,633 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 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] [2021-11-17 10:59:18,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 10:59:18,633 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:59:18,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:59:18,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1811769276, now seen corresponding path program 1 times [2021-11-17 10:59:18,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:59:18,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411899417] [2021-11-17 10:59:18,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:59:18,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:59:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:59:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:59:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:59:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:59:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:59:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:59:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:59:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:59:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:59:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:59:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:59:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:59:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:59:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:59:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:59:19,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:59:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:59:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:59:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:59:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:59:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:59:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:59:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:59:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:59:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:59:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:59:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:59:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:59:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:59:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:59:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:59:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:59:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:59:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:59:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:59:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:59:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:59:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:59:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 10:59:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:59:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 10:59:19,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:59:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 10:59:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:59:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 10:59:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:59:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 10:59:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:59:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 10:59:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-17 10:59:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-17 10:59:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 10:59:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 10:59:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:59:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 10:59:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 10:59:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-11-17 10:59:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:59:19,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2824 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2814 trivial. 0 not checked. [2021-11-17 10:59:19,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:59:19,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411899417] [2021-11-17 10:59:19,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411899417] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:59:19,767 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:59:19,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:59:19,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657733608] [2021-11-17 10:59:19,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:59:19,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:59:19,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:59:19,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:59:19,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:59:19,769 INFO L87 Difference]: Start difference. First operand 10134 states and 14843 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-17 10:59:21,878 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:59:24,200 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:59:59,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:59:59,903 INFO L93 Difference]: Finished difference Result 21537 states and 31789 transitions. [2021-11-17 10:59:59,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:59:59,904 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), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 348 [2021-11-17 10:59:59,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:00:00,101 INFO L225 Difference]: With dead ends: 21537 [2021-11-17 11:00:00,102 INFO L226 Difference]: Without dead ends: 16452 [2021-11-17 11:00:00,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:00:00,137 INFO L933 BasicCegarLoop]: 13895 mSDtfsCounter, 7649 mSDsluCounter, 10554 mSDsCounter, 0 mSdLazyCounter, 5815 mSolverCounterSat, 3808 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9289 SdHoareTripleChecker+Valid, 24449 SdHoareTripleChecker+Invalid, 9625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3808 IncrementalHoareTripleChecker+Valid, 5815 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.9s IncrementalHoareTripleChecker+Time [2021-11-17 11:00:00,137 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9289 Valid, 24449 Invalid, 9625 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3808 Valid, 5815 Invalid, 2 Unknown, 0 Unchecked, 38.9s Time] [2021-11-17 11:00:00,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16452 states. [2021-11-17 11:00:00,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16452 to 15141. [2021-11-17 11:00:00,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15141 states, 9724 states have (on average 1.2954545454545454) internal successors, (12597), 10072 states have internal predecessors, (12597), 4793 states have call successors, (4793), 624 states have call predecessors, (4793), 623 states have return successors, (4789), 4699 states have call predecessors, (4789), 4789 states have call successors, (4789) [2021-11-17 11:00:00,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15141 states to 15141 states and 22179 transitions. [2021-11-17 11:00:00,904 INFO L78 Accepts]: Start accepts. Automaton has 15141 states and 22179 transitions. Word has length 348 [2021-11-17 11:00:00,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:00:00,906 INFO L470 AbstractCegarLoop]: Abstraction has 15141 states and 22179 transitions. [2021-11-17 11:00:00,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-17 11:00:00,907 INFO L276 IsEmpty]: Start isEmpty. Operand 15141 states and 22179 transitions. [2021-11-17 11:00:00,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-11-17 11:00:00,918 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:00:00,918 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 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] [2021-11-17 11:00:00,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 11:00:00,919 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 11:00:00,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:00:00,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1952317886, now seen corresponding path program 1 times [2021-11-17 11:00:00,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:00:00,920 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846388383] [2021-11-17 11:00:00,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:00:00,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:00:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:00:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:00:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:00:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:00:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:00:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:00:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:00:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:00:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:00:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:00:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:00:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:00:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:00:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:00:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:00:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:00:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:00:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:00:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:00:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:00:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:00:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:00:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:00:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:00:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 11:00:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-17 11:00:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-17 11:00:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 11:00:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 11:00:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 11:00:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 11:00:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-11-17 11:00:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:01,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2824 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2824 trivial. 0 not checked. [2021-11-17 11:00:01,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:00:01,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846388383] [2021-11-17 11:00:01,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846388383] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:00:01,981 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:00:01,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 11:00:01,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903825387] [2021-11-17 11:00:01,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:00:01,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 11:00:01,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:00:01,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 11:00:01,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 11:00:01,983 INFO L87 Difference]: Start difference. First operand 15141 states and 22179 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-11-17 11:00:04,093 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:00:37,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:00:37,267 INFO L93 Difference]: Finished difference Result 16458 states and 24350 transitions. [2021-11-17 11:00:37,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 11:00:37,268 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 348 [2021-11-17 11:00:37,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:00:37,371 INFO L225 Difference]: With dead ends: 16458 [2021-11-17 11:00:37,371 INFO L226 Difference]: Without dead ends: 16456 [2021-11-17 11:00:37,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 11:00:37,391 INFO L933 BasicCegarLoop]: 7074 mSDtfsCounter, 7703 mSDsluCounter, 13701 mSDsCounter, 0 mSdLazyCounter, 6299 mSolverCounterSat, 3777 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8670 SdHoareTripleChecker+Valid, 20775 SdHoareTripleChecker+Invalid, 10077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3777 IncrementalHoareTripleChecker+Valid, 6299 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.7s IncrementalHoareTripleChecker+Time [2021-11-17 11:00:37,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8670 Valid, 20775 Invalid, 10077 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3777 Valid, 6299 Invalid, 1 Unknown, 0 Unchecked, 33.7s Time] [2021-11-17 11:00:37,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16456 states. [2021-11-17 11:00:37,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16456 to 15145. [2021-11-17 11:00:37,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15145 states, 9727 states have (on average 1.2953634214043384) internal successors, (12600), 10075 states have internal predecessors, (12600), 4793 states have call successors, (4793), 625 states have call predecessors, (4793), 624 states have return successors, (4789), 4699 states have call predecessors, (4789), 4789 states have call successors, (4789) [2021-11-17 11:00:37,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15145 states to 15145 states and 22182 transitions. [2021-11-17 11:00:37,966 INFO L78 Accepts]: Start accepts. Automaton has 15145 states and 22182 transitions. Word has length 348 [2021-11-17 11:00:37,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:00:37,967 INFO L470 AbstractCegarLoop]: Abstraction has 15145 states and 22182 transitions. [2021-11-17 11:00:37,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-11-17 11:00:37,967 INFO L276 IsEmpty]: Start isEmpty. Operand 15145 states and 22182 transitions. [2021-11-17 11:00:37,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-11-17 11:00:37,979 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:00:37,980 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 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] [2021-11-17 11:00:37,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 11:00:37,980 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 11:00:37,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:00:37,980 INFO L85 PathProgramCache]: Analyzing trace with hash 498416837, now seen corresponding path program 1 times [2021-11-17 11:00:37,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:00:37,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032021819] [2021-11-17 11:00:37,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:00:37,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:00:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:00:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:00:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:00:38,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:38,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:00:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:00:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:00:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:00:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:38,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:00:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:00:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:00:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:00:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:38,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:00:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:00:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:00:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:00:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:00:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:00:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:00:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:00:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:00:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:00:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:00:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:00:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:00:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 11:00:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:38,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-17 11:00:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:39,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-17 11:00:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:39,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 11:00:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:39,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 11:00:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:39,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:00:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:39,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 11:00:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:39,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 11:00:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:39,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-11-17 11:00:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:39,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:00:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:00:39,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2826 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2824 trivial. 0 not checked. [2021-11-17 11:00:39,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:00:39,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032021819] [2021-11-17 11:00:39,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032021819] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:00:39,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:00:39,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 11:00:39,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007754624] [2021-11-17 11:00:39,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:00:39,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 11:00:39,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:00:39,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 11:00:39,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 11:00:39,192 INFO L87 Difference]: Start difference. First operand 15145 states and 22182 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-17 11:00:41,324 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:01:14,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:01:14,034 INFO L93 Difference]: Finished difference Result 16462 states and 24353 transitions. [2021-11-17 11:01:14,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 11:01:14,034 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 353 [2021-11-17 11:01:14,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:01:14,133 INFO L225 Difference]: With dead ends: 16462 [2021-11-17 11:01:14,133 INFO L226 Difference]: Without dead ends: 16458 [2021-11-17 11:01:14,149 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 11:01:14,151 INFO L933 BasicCegarLoop]: 7074 mSDtfsCounter, 7701 mSDsluCounter, 13695 mSDsCounter, 0 mSdLazyCounter, 6293 mSolverCounterSat, 3772 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8668 SdHoareTripleChecker+Valid, 20769 SdHoareTripleChecker+Invalid, 10066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3772 IncrementalHoareTripleChecker+Valid, 6293 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.7s IncrementalHoareTripleChecker+Time [2021-11-17 11:01:14,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8668 Valid, 20769 Invalid, 10066 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3772 Valid, 6293 Invalid, 1 Unknown, 0 Unchecked, 33.7s Time] [2021-11-17 11:01:14,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16458 states. [2021-11-17 11:01:14,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16458 to 15147. [2021-11-17 11:01:14,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15147 states, 9729 states have (on average 1.2951999177716107) internal successors, (12601), 10076 states have internal predecessors, (12601), 4793 states have call successors, (4793), 626 states have call predecessors, (4793), 624 states have return successors, (4789), 4699 states have call predecessors, (4789), 4789 states have call successors, (4789) [2021-11-17 11:01:14,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15147 states to 15147 states and 22183 transitions. [2021-11-17 11:01:14,740 INFO L78 Accepts]: Start accepts. Automaton has 15147 states and 22183 transitions. Word has length 353 [2021-11-17 11:01:14,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:01:14,741 INFO L470 AbstractCegarLoop]: Abstraction has 15147 states and 22183 transitions. [2021-11-17 11:01:14,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-17 11:01:14,741 INFO L276 IsEmpty]: Start isEmpty. Operand 15147 states and 22183 transitions. [2021-11-17 11:01:14,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2021-11-17 11:01:14,852 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:01:14,852 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 24, 24, 24, 24, 24, 24, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:01:14,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 11:01:14,853 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 11:01:14,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:01:14,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1824122334, now seen corresponding path program 1 times [2021-11-17 11:01:14,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:01:14,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152589585] [2021-11-17 11:01:14,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:01:14,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:01:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:01:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:01:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:01:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:01:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:01:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:01:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:01:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:01:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:01:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:01:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:01:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:01:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:01:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:01:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:01:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:01:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:01:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:01:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:01:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:01:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:01:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:01:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:01:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:01:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 11:01:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-17 11:01:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-17 11:01:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 11:01:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 11:01:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:01:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 11:01:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 11:01:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-11-17 11:01:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:01:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-17 11:01:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:01:15,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2832 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2828 trivial. 0 not checked. [2021-11-17 11:01:15,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:01:15,804 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152589585] [2021-11-17 11:01:15,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152589585] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:01:15,804 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:01:15,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 11:01:15,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478277230] [2021-11-17 11:01:15,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:01:15,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 11:01:15,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:01:15,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 11:01:15,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 11:01:15,806 INFO L87 Difference]: Start difference. First operand 15147 states and 22183 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-17 11:01:17,913 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:01:28,258 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:01:52,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:01:52,997 INFO L93 Difference]: Finished difference Result 16458 states and 24349 transitions. [2021-11-17 11:01:52,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 11:01:52,997 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 358 [2021-11-17 11:01:52,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:01:52,999 INFO L225 Difference]: With dead ends: 16458 [2021-11-17 11:01:52,999 INFO L226 Difference]: Without dead ends: 0 [2021-11-17 11:01:53,062 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 11:01:53,063 INFO L933 BasicCegarLoop]: 7091 mSDtfsCounter, 7676 mSDsluCounter, 13734 mSDsCounter, 0 mSdLazyCounter, 6284 mSolverCounterSat, 3768 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8644 SdHoareTripleChecker+Valid, 20825 SdHoareTripleChecker+Invalid, 10054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3768 IncrementalHoareTripleChecker+Valid, 6284 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.0s IncrementalHoareTripleChecker+Time [2021-11-17 11:01:53,063 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8644 Valid, 20825 Invalid, 10054 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3768 Valid, 6284 Invalid, 2 Unknown, 0 Unchecked, 36.0s Time] [2021-11-17 11:01:53,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-17 11:01:53,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-17 11:01:53,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-17 11:01:53,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-17 11:01:53,068 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 358 [2021-11-17 11:01:53,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:01:53,068 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-17 11:01:53,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-17 11:01:53,068 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-17 11:01:53,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-17 11:01:53,070 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-17 11:01:53,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 11:01:53,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. Killed by 15