./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207da5e-7cfe-48ad-9997-41ccbcf6da4b/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207da5e-7cfe-48ad-9997-41ccbcf6da4b/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207da5e-7cfe-48ad-9997-41ccbcf6da4b/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207da5e-7cfe-48ad-9997-41ccbcf6da4b/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207da5e-7cfe-48ad-9997-41ccbcf6da4b/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207da5e-7cfe-48ad-9997-41ccbcf6da4b/bin/uautomizer-DrprNOufMa --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 caed0b1a69c2b79b86b85a3cc81df1a89c5dabc33b317df0a053c7cbeb8f966b --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:15:45,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:15:45,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:15:45,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:15:45,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:15:45,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:15:45,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:15:45,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:15:45,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:15:45,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:15:45,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:15:45,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:15:45,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:15:45,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:15:45,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:15:45,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:15:45,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:15:45,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:15:45,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:15:45,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:15:45,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:15:45,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:15:45,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:15:45,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:15:46,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:15:46,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:15:46,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:15:46,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:15:46,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:15:46,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:15:46,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:15:46,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:15:46,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:15:46,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:15:46,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:15:46,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:15:46,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:15:46,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:15:46,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:15:46,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:15:46,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:15:46,013 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207da5e-7cfe-48ad-9997-41ccbcf6da4b/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 19:15:46,035 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:15:46,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:15:46,035 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:15:46,035 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:15:46,036 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 19:15:46,036 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 19:15:46,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:15:46,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:15:46,037 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:15:46,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:15:46,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:15:46,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:15:46,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 19:15:46,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 19:15:46,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 19:15:46,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:15:46,039 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:15:46,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 19:15:46,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:15:46,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:15:46,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 19:15:46,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:15:46,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:15:46,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 19:15:46,040 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 19:15:46,040 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:15:46,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 19:15:46,041 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 19:15:46,041 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 19:15:46,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 19:15:46,041 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:15:46,041 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207da5e-7cfe-48ad-9997-41ccbcf6da4b/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207da5e-7cfe-48ad-9997-41ccbcf6da4b/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caed0b1a69c2b79b86b85a3cc81df1a89c5dabc33b317df0a053c7cbeb8f966b [2021-12-06 19:15:46,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:15:46,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:15:46,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:15:46,248 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:15:46,248 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:15:46,249 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207da5e-7cfe-48ad-9997-41ccbcf6da4b/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-12-06 19:15:46,299 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207da5e-7cfe-48ad-9997-41ccbcf6da4b/bin/uautomizer-DrprNOufMa/data/4b14d589c/8e60d9ce83794e8198e2ff5cdaf5c9f8/FLAGdf9f1b821 [2021-12-06 19:15:47,010 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:15:47,011 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207da5e-7cfe-48ad-9997-41ccbcf6da4b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-12-06 19:15:47,049 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207da5e-7cfe-48ad-9997-41ccbcf6da4b/bin/uautomizer-DrprNOufMa/data/4b14d589c/8e60d9ce83794e8198e2ff5cdaf5c9f8/FLAGdf9f1b821 [2021-12-06 19:15:47,338 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207da5e-7cfe-48ad-9997-41ccbcf6da4b/bin/uautomizer-DrprNOufMa/data/4b14d589c/8e60d9ce83794e8198e2ff5cdaf5c9f8 [2021-12-06 19:15:47,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:15:47,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:15:47,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:15:47,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:15:47,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:15:47,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:15:47" (1/1) ... [2021-12-06 19:15:47,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cce568c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:15:47, skipping insertion in model container [2021-12-06 19:15:47,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:15:47" (1/1) ... [2021-12-06 19:15:47,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:15:47,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:15:51,882 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207da5e-7cfe-48ad-9997-41ccbcf6da4b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[590245,590258] [2021-12-06 19:15:51,884 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207da5e-7cfe-48ad-9997-41ccbcf6da4b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[590414,590427] [2021-12-06 19:15:51,885 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207da5e-7cfe-48ad-9997-41ccbcf6da4b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[590581,590594] [2021-12-06 19:15:51,885 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207da5e-7cfe-48ad-9997-41ccbcf6da4b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[590749,590762] [2021-12-06 19:15:51,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:15:51,968 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:15:52,432 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207da5e-7cfe-48ad-9997-41ccbcf6da4b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[590245,590258] [2021-12-06 19:15:52,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207da5e-7cfe-48ad-9997-41ccbcf6da4b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[590414,590427] [2021-12-06 19:15:52,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207da5e-7cfe-48ad-9997-41ccbcf6da4b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[590581,590594] [2021-12-06 19:15:52,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207da5e-7cfe-48ad-9997-41ccbcf6da4b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i[590749,590762] [2021-12-06 19:15:52,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:15:52,727 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:15:52,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:15:52 WrapperNode [2021-12-06 19:15:52,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:15:52,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:15:52,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:15:52,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:15:52,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:15:52" (1/1) ... [2021-12-06 19:15:52,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:15:52" (1/1) ... [2021-12-06 19:15:53,046 INFO L137 Inliner]: procedures = 730, calls = 6132, calls flagged for inlining = 368, calls inlined = 339, statements flattened = 12892 [2021-12-06 19:15:53,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:15:53,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:15:53,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:15:53,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:15:53,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:15:52" (1/1) ... [2021-12-06 19:15:53,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:15:52" (1/1) ... [2021-12-06 19:15:53,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:15:52" (1/1) ... [2021-12-06 19:15:53,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:15:52" (1/1) ... [2021-12-06 19:15:53,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:15:52" (1/1) ... [2021-12-06 19:15:53,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:15:52" (1/1) ... [2021-12-06 19:15:53,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:15:52" (1/1) ... [2021-12-06 19:15:53,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:15:53,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:15:53,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:15:53,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:15:53,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:15:52" (1/1) ... [2021-12-06 19:15:53,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:15:53,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207da5e-7cfe-48ad-9997-41ccbcf6da4b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:15:53,567 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207da5e-7cfe-48ad-9997-41ccbcf6da4b/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 19:15:53,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f207da5e-7cfe-48ad-9997-41ccbcf6da4b/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 19:15:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8211b [2021-12-06 19:15:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8211b [2021-12-06 19:15:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hwstats_lock_of_fe_priv [2021-12-06 19:15:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hwstats_lock_of_fe_priv [2021-12-06 19:15:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nway_reset [2021-12-06 19:15:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nway_reset [2021-12-06 19:15:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-12-06 19:15:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-12-06 19:15:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_rxtx [2021-12-06 19:15:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_rxtx [2021-12-06 19:15:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_tx [2021-12-06 19:15:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_tx [2021-12-06 19:15:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_lock [2021-12-06 19:15:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_lock [2021-12-06 19:15:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-06 19:15:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-06 19:15:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 19:15:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 19:15:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-06 19:15:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-06 19:15:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-06 19:15:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-06 19:15:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-06 19:15:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-06 19:15:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_multicast [2021-12-06 19:15:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_multicast [2021-12-06 19:15:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 19:15:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 19:15:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-06 19:15:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-06 19:15:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure nv_msi_workaround [2021-12-06 19:15:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_msi_workaround [2021-12-06 19:15:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-06 19:15:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-06 19:15:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_empty_tx_slots [2021-12-06 19:15:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_empty_tx_slots [2021-12-06 19:15:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-06 19:15:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-06 19:15:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-06 19:15:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-06 19:15:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-06 19:15:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-06 19:15:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-06 19:15:53,599 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-06 19:15:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure nv_close [2021-12-06 19:15:53,599 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_close [2021-12-06 19:15:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure dma_high [2021-12-06 19:15:53,599 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_high [2021-12-06 19:15:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_75 [2021-12-06 19:15:53,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_75 [2021-12-06 19:15:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2021-12-06 19:15:53,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2021-12-06 19:15:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_hw_interrupts [2021-12-06 19:15:53,599 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_hw_interrupts [2021-12-06 19:15:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-06 19:15:53,600 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-06 19:15:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-06 19:15:53,600 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-06 19:15:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rxtx [2021-12-06 19:15:53,600 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rxtx [2021-12-06 19:15:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure nv_vlan_mode [2021-12-06 19:15:53,600 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_vlan_mode [2021-12-06 19:15:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-06 19:15:53,600 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-06 19:15:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-06 19:15:53,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-06 19:15:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure init_realtek_8201 [2021-12-06 19:15:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure init_realtek_8201 [2021-12-06 19:15:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-06 19:15:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-06 19:15:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure reg_delay [2021-12-06 19:15:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_delay [2021-12-06 19:15:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-06 19:15:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-06 19:15:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-06 19:15:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-06 19:15:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-06 19:15:53,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-06 19:15:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-06 19:15:53,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-06 19:15:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2021-12-06 19:15:53,602 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2021-12-06 19:15:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 19:15:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-06 19:15:53,602 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-06 19:15:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure pci_push [2021-12-06 19:15:53,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_push [2021-12-06 19:15:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2021-12-06 19:15:53,602 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2021-12-06 19:15:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-06 19:15:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-06 19:15:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2021-12-06 19:15:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2021-12-06 19:15:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-06 19:15:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-06 19:15:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-06 19:15:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-06 19:15:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 19:15:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 19:15:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx_optimized [2021-12-06 19:15:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx_optimized [2021-12-06 19:15:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 19:15:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-12-06 19:15:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-12-06 19:15:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-06 19:15:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-06 19:15:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-06 19:15:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-06 19:15:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq_lockdep [2021-12-06 19:15:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq_lockdep [2021-12-06 19:15:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 19:15:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-06 19:15:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-06 19:15:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 19:15:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-06 19:15:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-06 19:15:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 19:15:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 19:15:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_forcedeth_pci_driver_exit_20_2 [2021-12-06 19:15:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_forcedeth_pci_driver_exit_20_2 [2021-12-06 19:15:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-06 19:15:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-06 19:15:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-06 19:15:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-06 19:15:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-06 19:15:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-06 19:15:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure nv_drain_tx [2021-12-06 19:15:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_drain_tx [2021-12-06 19:15:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_stats [2021-12-06 19:15:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_stats [2021-12-06 19:15:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-06 19:15:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-06 19:15:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-06 19:15:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-06 19:15:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_sent_queue [2021-12-06 19:15:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_sent_queue [2021-12-06 19:15:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure get_hwbase [2021-12-06 19:15:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure get_hwbase [2021-12-06 19:15:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure setup_hw_rings [2021-12-06 19:15:53,607 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_hw_rings [2021-12-06 19:15:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-06 19:15:53,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-06 19:15:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_tx [2021-12-06 19:15:53,607 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_tx [2021-12-06 19:15:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 19:15:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-06 19:15:53,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-06 19:15:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-06 19:15:53,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-06 19:15:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-06 19:15:53,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-06 19:15:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-06 19:15:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-06 19:15:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure nv_free_irq [2021-12-06 19:15:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_free_irq [2021-12-06 19:15:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-06 19:15:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-06 19:15:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure nv_shutdown [2021-12-06 19:15:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_shutdown [2021-12-06 19:15:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 19:15:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-06 19:15:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-06 19:15:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure nv_suspend [2021-12-06 19:15:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_suspend [2021-12-06 19:15:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-06 19:15:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-06 19:15:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-06 19:15:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-06 19:15:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 19:15:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 19:15:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure nv_gear_backoff_reseed [2021-12-06 19:15:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_gear_backoff_reseed [2021-12-06 19:15:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 19:15:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 19:15:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-06 19:15:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-06 19:15:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_fe_priv [2021-12-06 19:15:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_fe_priv [2021-12-06 19:15:53,610 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-12-06 19:15:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-12-06 19:15:53,610 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-06 19:15:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-06 19:15:53,610 INFO L130 BoogieDeclarations]: Found specification of procedure nv_alloc_rx [2021-12-06 19:15:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_alloc_rx [2021-12-06 19:15:53,610 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-12-06 19:15:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-12-06 19:15:53,610 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_other [2021-12-06 19:15:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_other [2021-12-06 19:15:53,610 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-06 19:15:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-06 19:15:53,610 INFO L130 BoogieDeclarations]: Found specification of procedure nv_nic_irq_rx [2021-12-06 19:15:53,611 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_nic_irq_rx [2021-12-06 19:15:53,611 INFO L130 BoogieDeclarations]: Found specification of procedure nv_restore_mac_addr [2021-12-06 19:15:53,611 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_restore_mac_addr [2021-12-06 19:15:53,611 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-06 19:15:53,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-06 19:15:53,611 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-06 19:15:53,611 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-06 19:15:53,611 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 19:15:53,611 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 19:15:53,611 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-06 19:15:53,611 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-06 19:15:53,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-06 19:15:53,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-06 19:15:53,612 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_disable [2021-12-06 19:15:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_disable [2021-12-06 19:15:53,612 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-12-06 19:15:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-12-06 19:15:53,612 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-06 19:15:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-06 19:15:53,612 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_timeout [2021-12-06 19:15:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_timeout [2021-12-06 19:15:53,612 INFO L130 BoogieDeclarations]: Found specification of procedure nv_rx_process_optimized [2021-12-06 19:15:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_rx_process_optimized [2021-12-06 19:15:53,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_63 [2021-12-06 19:15:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_63 [2021-12-06 19:15:53,612 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-06 19:15:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-06 19:15:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-06 19:15:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-06 19:15:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_ring [2021-12-06 19:15:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_ring [2021-12-06 19:15:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-12-06 19:15:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-12-06 19:15:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure nv_legacybackoff_reseed [2021-12-06 19:15:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_legacybackoff_reseed [2021-12-06 19:15:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:15:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:15:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure nv_poll_controller [2021-12-06 19:15:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_poll_controller [2021-12-06 19:15:53,614 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-06 19:15:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-06 19:15:53,614 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done_optimized [2021-12-06 19:15:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done_optimized [2021-12-06 19:15:53,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 19:15:53,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 19:15:53,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 19:15:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 19:15:53,614 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-06 19:15:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-06 19:15:53,614 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_sset_count [2021-12-06 19:15:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_sset_count [2021-12-06 19:15:53,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-06 19:15:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-06 19:15:53,615 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-06 19:15:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-06 19:15:53,615 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-06 19:15:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-06 19:15:53,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-12-06 19:15:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-12-06 19:15:53,615 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_gate [2021-12-06 19:15:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_gate [2021-12-06 19:15:53,615 INFO L130 BoogieDeclarations]: Found specification of procedure nv_remove [2021-12-06 19:15:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_remove [2021-12-06 19:15:53,615 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-06 19:15:53,615 INFO L130 BoogieDeclarations]: Found specification of procedure nv_napi_enable [2021-12-06 19:15:53,616 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_napi_enable [2021-12-06 19:15:53,616 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-12-06 19:15:53,616 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-12-06 19:15:53,616 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-06 19:15:53,616 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-06 19:15:53,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-06 19:15:53,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-06 19:15:53,616 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-12-06 19:15:53,616 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-12-06 19:15:53,616 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-12-06 19:15:53,616 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-12-06 19:15:53,616 INFO L130 BoogieDeclarations]: Found specification of procedure free_rings [2021-12-06 19:15:53,616 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rings [2021-12-06 19:15:53,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-06 19:15:53,617 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-06 19:15:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure nv_txrx_reset [2021-12-06 19:15:53,617 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_txrx_reset [2021-12-06 19:15:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 19:15:53,617 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 19:15:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-06 19:15:53,617 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-06 19:15:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure nv_do_nic_poll [2021-12-06 19:15:53,617 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_do_nic_poll [2021-12-06 19:15:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-12-06 19:15:53,617 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-12-06 19:15:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-06 19:15:53,617 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-06 19:15:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-06 19:15:53,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-06 19:15:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-06 19:15:53,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-06 19:15:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure nv_resume [2021-12-06 19:15:53,618 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_resume [2021-12-06 19:15:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-06 19:15:53,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-06 19:15:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-06 19:15:53,618 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-06 19:15:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2021-12-06 19:15:53,618 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2021-12-06 19:15:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-06 19:15:53,618 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-06 19:15:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-06 19:15:53,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-06 19:15:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-06 19:15:53,619 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-06 19:15:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 19:15:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rw [2021-12-06 19:15:53,619 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rw [2021-12-06 19:15:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure set_msix_vector_map [2021-12-06 19:15:53,619 INFO L138 BoogieDeclarations]: Found implementation of procedure set_msix_vector_map [2021-12-06 19:15:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-06 19:15:53,619 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-06 19:15:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_74 [2021-12-06 19:15:53,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_74 [2021-12-06 19:15:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 19:15:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure nv_set_loopback [2021-12-06 19:15:53,620 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_set_loopback [2021-12-06 19:15:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure nv_mac_reset [2021-12-06 19:15:53,620 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_mac_reset [2021-12-06 19:15:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 19:15:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_completed_queue [2021-12-06 19:15:53,620 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_completed_queue [2021-12-06 19:15:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-06 19:15:53,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-06 19:15:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-06 19:15:53,620 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-06 19:15:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-06 19:15:53,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-06 19:15:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure nv_tx_done [2021-12-06 19:15:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_tx_done [2021-12-06 19:15:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-06 19:15:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-06 19:15:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-06 19:15:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-06 19:15:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-06 19:15:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-06 19:15:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-06 19:15:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-06 19:15:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-06 19:15:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-06 19:15:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2021-12-06 19:15:53,622 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2021-12-06 19:15:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-06 19:15:53,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-06 19:15:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure nv_linkchange [2021-12-06 19:15:53,622 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_linkchange [2021-12-06 19:15:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_hw_interrupts [2021-12-06 19:15:53,622 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_hw_interrupts [2021-12-06 19:15:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2021-12-06 19:15:53,622 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2021-12-06 19:15:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure phy_init [2021-12-06 19:15:53,622 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_init [2021-12-06 19:15:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure dma_low [2021-12-06 19:15:53,622 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_low [2021-12-06 19:15:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure nv_copy_mac_to_hw [2021-12-06 19:15:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_copy_mac_to_hw [2021-12-06 19:15:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-06 19:15:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-06 19:15:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-06 19:15:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-06 19:15:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-06 19:15:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-06 19:15:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-06 19:15:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-06 19:15:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_76 [2021-12-06 19:15:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_76 [2021-12-06 19:15:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_tx [2021-12-06 19:15:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_tx [2021-12-06 19:15:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_lock_bh [2021-12-06 19:15:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_lock_bh [2021-12-06 19:15:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-06 19:15:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-06 19:15:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_unlock_bh [2021-12-06 19:15:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_unlock_bh [2021-12-06 19:15:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure nv_force_linkspeed [2021-12-06 19:15:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_force_linkspeed [2021-12-06 19:15:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 19:15:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 19:15:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_pause [2021-12-06 19:15:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_pause [2021-12-06 19:15:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 19:15:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure nv_init_tx [2021-12-06 19:15:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_init_tx [2021-12-06 19:15:53,625 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-12-06 19:15:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-12-06 19:15:53,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 19:15:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 19:15:53,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_62 [2021-12-06 19:15:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_62 [2021-12-06 19:15:53,625 INFO L130 BoogieDeclarations]: Found specification of procedure nv_enable_irq [2021-12-06 19:15:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_enable_irq [2021-12-06 19:15:53,625 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-06 19:15:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-06 19:15:53,625 INFO L130 BoogieDeclarations]: Found specification of procedure nv_unmap_txskb [2021-12-06 19:15:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_unmap_txskb [2021-12-06 19:15:53,626 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-12-06 19:15:53,626 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-12-06 19:15:53,626 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rx [2021-12-06 19:15:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rx [2021-12-06 19:15:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-12-06 19:15:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-12-06 19:15:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-06 19:15:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-06 19:15:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-06 19:15:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-06 19:15:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_78 [2021-12-06 19:15:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_78 [2021-12-06 19:15:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure nv_getlen [2021-12-06 19:15:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_getlen [2021-12-06 19:15:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure nv_link_irq [2021-12-06 19:15:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_link_irq [2021-12-06 19:15:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure nv_optimized [2021-12-06 19:15:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_optimized [2021-12-06 19:15:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_fe_priv [2021-12-06 19:15:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_fe_priv [2021-12-06 19:15:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-12-06 19:15:53,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-12-06 19:15:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure nv_stop_rxtx [2021-12-06 19:15:53,635 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_stop_rxtx [2021-12-06 19:15:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure nv_update_linkspeed [2021-12-06 19:15:53,635 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_update_linkspeed [2021-12-06 19:15:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure using_multi_irqs [2021-12-06 19:15:53,635 INFO L138 BoogieDeclarations]: Found implementation of procedure using_multi_irqs [2021-12-06 19:15:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock [2021-12-06 19:15:53,635 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock [2021-12-06 19:15:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-06 19:15:53,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-06 19:15:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-06 19:15:53,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-06 19:15:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-06 19:15:53,636 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-06 19:15:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-06 19:15:53,636 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-06 19:15:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq_lockdep [2021-12-06 19:15:53,636 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq_lockdep [2021-12-06 19:15:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure nv_disable_irq [2021-12-06 19:15:53,636 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_disable_irq [2021-12-06 19:15:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure nv_open [2021-12-06 19:15:53,636 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_open [2021-12-06 19:15:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-06 19:15:53,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-06 19:15:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure nv_start_rx [2021-12-06 19:15:53,637 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_start_rx [2021-12-06 19:15:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 19:15:53,637 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 19:15:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure phy_reset [2021-12-06 19:15:53,637 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_reset [2021-12-06 19:15:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-06 19:15:53,637 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-06 19:15:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-06 19:15:53,637 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-06 19:15:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 19:15:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure get_nvpriv [2021-12-06 19:15:53,638 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nvpriv [2021-12-06 19:15:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure nv_request_irq [2021-12-06 19:15:53,638 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_request_irq [2021-12-06 19:15:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-06 19:15:53,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-06 19:15:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure nv_get_regs_len [2021-12-06 19:15:53,638 INFO L138 BoogieDeclarations]: Found implementation of procedure nv_get_regs_len [2021-12-06 19:15:54,383 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:15:54,387 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:15:55,006 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 19:27:31,024 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-06 19:27:31,118 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:27:31,143 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:27:31,143 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-06 19:27:31,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:27:31 BoogieIcfgContainer [2021-12-06 19:27:31,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:27:31,149 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 19:27:31,149 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 19:27:31,152 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 19:27:31,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:15:47" (1/3) ... [2021-12-06 19:27:31,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2456b1f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:27:31, skipping insertion in model container [2021-12-06 19:27:31,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:15:52" (2/3) ... [2021-12-06 19:27:31,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2456b1f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:27:31, skipping insertion in model container [2021-12-06 19:27:31,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:27:31" (3/3) ... [2021-12-06 19:27:31,154 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-nvidia-forcedeth.cil.i [2021-12-06 19:27:31,158 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 19:27:31,158 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-12-06 19:27:31,215 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 19:27:31,220 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 [2021-12-06 19:27:31,220 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-06 19:27:31,304 INFO L276 IsEmpty]: Start isEmpty. Operand has 5270 states, 3366 states have (on average 1.3018419489007724) internal successors, (4382), 3486 states have internal predecessors, (4382), 1682 states have call successors, (1682), 219 states have call predecessors, (1682), 218 states have return successors, (1671), 1641 states have call predecessors, (1671), 1671 states have call successors, (1671) [2021-12-06 19:27:31,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-12-06 19:27:31,322 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:27:31,323 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] [2021-12-06 19:27:31,323 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 19:27:31,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:27:31,327 INFO L85 PathProgramCache]: Analyzing trace with hash -684085392, now seen corresponding path program 1 times [2021-12-06 19:27:31,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:27:31,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263855817] [2021-12-06 19:27:31,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:27:31,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:27:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:32,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:27:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:32,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:27:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:32,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:27:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:32,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:27:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:32,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:27:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:32,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:27:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:32,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:27:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:32,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:27:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:32,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:27:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:32,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:27:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:32,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:27:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:32,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:27:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:32,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:27:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:27:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:27:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:27:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:27:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:27:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:27:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:27:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:27:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:27:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:27:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:27:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:27:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:27:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:27:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:27:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:27:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:27:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:27:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:27:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:27:33,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:27:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:27:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:27:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:27:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:27:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:27:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:27:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:27:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:27:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:27:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:27:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 19:27:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:27:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 19:27:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:27:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-06 19:27:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-06 19:27:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:27:33,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2021-12-06 19:27:33,314 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:27:33,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263855817] [2021-12-06 19:27:33,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263855817] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:27:33,314 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:27:33,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:27:33,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921549561] [2021-12-06 19:27:33,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:27:33,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:27:33,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:27:33,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:27:33,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:27:33,351 INFO L87 Difference]: Start difference. First operand has 5270 states, 3366 states have (on average 1.3018419489007724) internal successors, (4382), 3486 states have internal predecessors, (4382), 1682 states have call successors, (1682), 219 states have call predecessors, (1682), 218 states have return successors, (1671), 1641 states have call predecessors, (1671), 1671 states have call successors, (1671) 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) [2021-12-06 19:27:35,518 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:27:37,831 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:28:07,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:28:07,466 INFO L93 Difference]: Finished difference Result 16426 states and 24829 transitions. [2021-12-06 19:28:07,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:28:07,469 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 [2021-12-06 19:28:07,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:28:07,560 INFO L225 Difference]: With dead ends: 16426 [2021-12-06 19:28:07,560 INFO L226 Difference]: Without dead ends: 11192 [2021-12-06 19:28:07,606 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 [2021-12-06 19:28:07,609 INFO L933 BasicCegarLoop]: 8202 mSDtfsCounter, 9899 mSDsluCounter, 8160 mSDsCounter, 0 mSdLazyCounter, 5931 mSolverCounterSat, 5680 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11586 SdHoareTripleChecker+Valid, 16362 SdHoareTripleChecker+Invalid, 11613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5680 IncrementalHoareTripleChecker+Valid, 5931 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:28:07,609 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11586 Valid, 16362 Invalid, 11613 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5680 Valid, 5931 Invalid, 2 Unknown, 0 Unchecked, 33.1s Time] [2021-12-06 19:28:07,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11192 states. [2021-12-06 19:28:08,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11192 to 10312. [2021-12-06 19:28:08,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10312 states, 6591 states have (on average 1.2923683811257776) internal successors, (8518), 6825 states have internal predecessors, (8518), 3285 states have call successors, (3285), 433 states have call predecessors, (3285), 432 states have return successors, (3281), 3221 states have call predecessors, (3281), 3281 states have call successors, (3281) [2021-12-06 19:28:08,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10312 states to 10312 states and 15084 transitions. [2021-12-06 19:28:08,288 INFO L78 Accepts]: Start accepts. Automaton has 10312 states and 15084 transitions. Word has length 292 [2021-12-06 19:28:08,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:28:08,290 INFO L470 AbstractCegarLoop]: Abstraction has 10312 states and 15084 transitions. [2021-12-06 19:28:08,290 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) [2021-12-06 19:28:08,290 INFO L276 IsEmpty]: Start isEmpty. Operand 10312 states and 15084 transitions. [2021-12-06 19:28:08,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-12-06 19:28:08,298 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:28:08,298 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:28:08,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 19:28:08,299 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 19:28:08,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:28:08,299 INFO L85 PathProgramCache]: Analyzing trace with hash -244956800, now seen corresponding path program 1 times [2021-12-06 19:28:08,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:28:08,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724845398] [2021-12-06 19:28:08,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:28:08,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:28:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:28:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:28:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:28:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:28:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:28:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:28:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:28:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:28:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:28:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:28:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:28:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:28:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:28:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:28:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:28:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:28:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:28:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:09,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:28:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:28:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:28:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:28:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:28:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 19:28:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 19:28:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-06 19:28:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-06 19:28:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-06 19:28:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:09,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2021-12-06 19:28:09,694 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:28:09,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724845398] [2021-12-06 19:28:09,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724845398] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:28:09,694 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:28:09,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:28:09,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257224617] [2021-12-06 19:28:09,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:28:09,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:28:09,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:28:09,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:28:09,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:28:09,696 INFO L87 Difference]: Start difference. First operand 10312 states and 15084 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-06 19:28:11,825 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:28:14,145 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:28:45,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:28:45,301 INFO L93 Difference]: Finished difference Result 32284 states and 47711 transitions. [2021-12-06 19:28:45,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:28:45,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 302 [2021-12-06 19:28:45,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:28:45,440 INFO L225 Difference]: With dead ends: 32284 [2021-12-06 19:28:45,441 INFO L226 Difference]: Without dead ends: 22025 [2021-12-06 19:28:45,486 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:28:45,487 INFO L933 BasicCegarLoop]: 8245 mSDtfsCounter, 9778 mSDsluCounter, 8227 mSDsCounter, 0 mSdLazyCounter, 5793 mSolverCounterSat, 5713 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11385 SdHoareTripleChecker+Valid, 16472 SdHoareTripleChecker+Invalid, 11508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5713 IncrementalHoareTripleChecker+Valid, 5793 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.5s IncrementalHoareTripleChecker+Time [2021-12-06 19:28:45,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11385 Valid, 16472 Invalid, 11508 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5713 Valid, 5793 Invalid, 2 Unknown, 0 Unchecked, 34.5s Time] [2021-12-06 19:28:45,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22025 states. [2021-12-06 19:28:46,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22025 to 21061. [2021-12-06 19:28:46,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21061 states, 13508 states have (on average 1.2972312703583062) internal successors, (17523), 13983 states have internal predecessors, (17523), 6676 states have call successors, (6676), 862 states have call predecessors, (6676), 873 states have return successors, (6944), 6547 states have call predecessors, (6944), 6672 states have call successors, (6944) [2021-12-06 19:28:46,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21061 states to 21061 states and 31143 transitions. [2021-12-06 19:28:46,478 INFO L78 Accepts]: Start accepts. Automaton has 21061 states and 31143 transitions. Word has length 302 [2021-12-06 19:28:46,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:28:46,479 INFO L470 AbstractCegarLoop]: Abstraction has 21061 states and 31143 transitions. [2021-12-06 19:28:46,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-06 19:28:46,480 INFO L276 IsEmpty]: Start isEmpty. Operand 21061 states and 31143 transitions. [2021-12-06 19:28:46,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-12-06 19:28:46,485 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:28:46,486 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:28:46,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 19:28:46,486 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 19:28:46,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:28:46,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1793864524, now seen corresponding path program 1 times [2021-12-06 19:28:46,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:28:46,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476159134] [2021-12-06 19:28:46,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:28:46,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:28:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:28:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:28:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:28:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:28:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:28:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:28:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:28:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:28:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:28:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:28:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:28:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:28:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:28:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:28:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:28:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:28:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:28:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:28:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:28:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:28:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:28:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:28:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:47,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 19:28:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 19:28:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:28:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-06 19:28:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-06 19:28:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:28:47,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2021-12-06 19:28:47,677 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:28:47,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476159134] [2021-12-06 19:28:47,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476159134] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:28:47,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:28:47,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 19:28:47,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327055204] [2021-12-06 19:28:47,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:28:47,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 19:28:47,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:28:47,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:28:47,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:28:47,679 INFO L87 Difference]: Start difference. First operand 21061 states and 31143 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-06 19:28:49,804 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:28:52,125 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:29:23,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:29:23,398 INFO L93 Difference]: Finished difference Result 59883 states and 88501 transitions. [2021-12-06 19:29:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:29:23,399 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 305 [2021-12-06 19:29:23,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:29:23,574 INFO L225 Difference]: With dead ends: 59883 [2021-12-06 19:29:23,574 INFO L226 Difference]: Without dead ends: 38875 [2021-12-06 19:29:23,755 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 [2021-12-06 19:29:23,756 INFO L933 BasicCegarLoop]: 7892 mSDtfsCounter, 8250 mSDsluCounter, 8111 mSDsCounter, 0 mSdLazyCounter, 5587 mSolverCounterSat, 5205 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9583 SdHoareTripleChecker+Valid, 16003 SdHoareTripleChecker+Invalid, 10794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5205 IncrementalHoareTripleChecker+Valid, 5587 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.3s IncrementalHoareTripleChecker+Time [2021-12-06 19:29:23,757 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9583 Valid, 16003 Invalid, 10794 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5205 Valid, 5587 Invalid, 2 Unknown, 0 Unchecked, 34.3s Time] [2021-12-06 19:29:23,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38875 states. [2021-12-06 19:29:25,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38875 to 37269. [2021-12-06 19:29:25,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37269 states, 23866 states have (on average 1.2926757730662868) internal successors, (30851), 24725 states have internal predecessors, (30851), 11716 states have call successors, (11716), 1650 states have call predecessors, (11716), 1683 states have return successors, (12266), 11479 states have call predecessors, (12266), 11712 states have call successors, (12266) [2021-12-06 19:29:25,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37269 states to 37269 states and 54833 transitions. [2021-12-06 19:29:25,250 INFO L78 Accepts]: Start accepts. Automaton has 37269 states and 54833 transitions. Word has length 305 [2021-12-06 19:29:25,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:29:25,250 INFO L470 AbstractCegarLoop]: Abstraction has 37269 states and 54833 transitions. [2021-12-06 19:29:25,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-06 19:29:25,251 INFO L276 IsEmpty]: Start isEmpty. Operand 37269 states and 54833 transitions. [2021-12-06 19:29:25,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-12-06 19:29:25,255 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:29:25,256 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:29:25,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 19:29:25,256 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 19:29:25,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:29:25,256 INFO L85 PathProgramCache]: Analyzing trace with hash -24078382, now seen corresponding path program 1 times [2021-12-06 19:29:25,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:29:25,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338329076] [2021-12-06 19:29:25,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:29:25,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:29:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:29:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:29:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:29:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:29:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 19:29:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 19:29:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:29:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 19:29:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 19:29:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:29:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 19:29:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 19:29:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:29:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 19:29:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 19:29:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:29:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 19:29:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 19:29:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 19:29:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:26,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 19:29:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 19:29:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 19:29:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 19:29:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 19:29:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:29:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-06 19:29:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 19:29:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:29:26,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2021-12-06 19:29:26,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:29:26,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338329076] [2021-12-06 19:29:26,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338329076] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:29:26,534 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:29:26,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 19:29:26,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121904109] [2021-12-06 19:29:26,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:29:26,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 19:29:26,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:29:26,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 19:29:26,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:29:26,535 INFO L87 Difference]: Start difference. First operand 37269 states and 54833 transitions. Second operand has 7 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-06 19:29:28,665 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:29:30,986 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []