./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 54849713272284bcfc1d249b79bdfa502d33e8d1537f459c00022c26afd8a94c --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 05:02:11,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 05:02:11,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 05:02:12,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 05:02:12,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 05:02:12,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 05:02:12,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 05:02:12,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 05:02:12,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 05:02:12,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 05:02:12,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 05:02:12,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 05:02:12,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 05:02:12,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 05:02:12,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 05:02:12,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 05:02:12,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 05:02:12,010 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 05:02:12,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 05:02:12,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 05:02:12,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 05:02:12,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 05:02:12,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 05:02:12,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 05:02:12,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 05:02:12,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 05:02:12,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 05:02:12,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 05:02:12,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 05:02:12,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 05:02:12,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 05:02:12,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 05:02:12,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 05:02:12,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 05:02:12,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 05:02:12,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 05:02:12,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 05:02:12,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 05:02:12,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 05:02:12,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 05:02:12,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 05:02:12,042 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 05:02:12,060 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 05:02:12,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 05:02:12,061 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 05:02:12,061 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 05:02:12,062 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 05:02:12,062 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 05:02:12,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 05:02:12,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 05:02:12,063 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 05:02:12,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 05:02:12,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 05:02:12,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 05:02:12,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 05:02:12,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 05:02:12,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 05:02:12,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 05:02:12,064 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 05:02:12,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 05:02:12,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 05:02:12,065 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 05:02:12,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 05:02:12,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 05:02:12,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 05:02:12,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 05:02:12,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 05:02:12,066 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 05:02:12,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 05:02:12,066 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 05:02:12,066 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 05:02:12,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 05:02:12,066 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 05:02:12,067 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54849713272284bcfc1d249b79bdfa502d33e8d1537f459c00022c26afd8a94c [2021-12-16 05:02:12,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 05:02:12,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 05:02:12,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 05:02:12,246 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 05:02:12,247 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 05:02:12,248 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2021-12-16 05:02:12,310 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4216374cf/2e77deb6bac74cb49b1105c5d2067836/FLAGeb6e63bc0 [2021-12-16 05:02:13,016 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 05:02:13,017 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2021-12-16 05:02:13,076 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4216374cf/2e77deb6bac74cb49b1105c5d2067836/FLAGeb6e63bc0 [2021-12-16 05:02:13,273 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4216374cf/2e77deb6bac74cb49b1105c5d2067836 [2021-12-16 05:02:13,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 05:02:13,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 05:02:13,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 05:02:13,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 05:02:13,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 05:02:13,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:02:13" (1/1) ... [2021-12-16 05:02:13,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b2fde4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:02:13, skipping insertion in model container [2021-12-16 05:02:13,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:02:13" (1/1) ... [2021-12-16 05:02:13,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 05:02:13,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 05:02:16,192 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508632,508645] [2021-12-16 05:02:16,195 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508801,508814] [2021-12-16 05:02:16,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508968,508981] [2021-12-16 05:02:16,200 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[509136,509149] [2021-12-16 05:02:16,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 05:02:16,268 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 05:02:16,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508632,508645] [2021-12-16 05:02:16,626 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508801,508814] [2021-12-16 05:02:16,626 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508968,508981] [2021-12-16 05:02:16,626 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[509136,509149] [2021-12-16 05:02:16,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 05:02:16,843 INFO L208 MainTranslator]: Completed translation [2021-12-16 05:02:16,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:02:16 WrapperNode [2021-12-16 05:02:16,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 05:02:16,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 05:02:16,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 05:02:16,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 05:02:16,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:02:16" (1/1) ... [2021-12-16 05:02:16,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:02:16" (1/1) ... [2021-12-16 05:02:17,276 INFO L137 Inliner]: procedures = 678, calls = 4011, calls flagged for inlining = 356, calls inlined = 330, statements flattened = 10084 [2021-12-16 05:02:17,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 05:02:17,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 05:02:17,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 05:02:17,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 05:02:17,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:02:16" (1/1) ... [2021-12-16 05:02:17,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:02:16" (1/1) ... [2021-12-16 05:02:17,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:02:16" (1/1) ... [2021-12-16 05:02:17,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:02:16" (1/1) ... [2021-12-16 05:02:17,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:02:16" (1/1) ... [2021-12-16 05:02:17,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:02:16" (1/1) ... [2021-12-16 05:02:17,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:02:16" (1/1) ... [2021-12-16 05:02:17,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 05:02:17,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 05:02:17,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 05:02:17,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 05:02:17,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:02:16" (1/1) ... [2021-12-16 05:02:17,589 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 05:02:17,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 05:02:17,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 05:02:17,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 05:02:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93 [2021-12-16 05:02:17,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93 [2021-12-16 05:02:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-16 05:02:17,639 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-16 05:02:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-16 05:02:17,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-16 05:02:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_core [2021-12-16 05:02:17,639 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_core [2021-12-16 05:02:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-12-16 05:02:17,640 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-12-16 05:02:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_post_phy_linkchg [2021-12-16 05:02:17,640 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_post_phy_linkchg [2021-12-16 05:02:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-16 05:02:17,640 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-16 05:02:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 05:02:17,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 05:02:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2021-12-16 05:02:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2021-12-16 05:02:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-16 05:02:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-16 05:02:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 05:02:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 05:02:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_rx_ring [2021-12-16 05:02:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_rx_ring [2021-12-16 05:02:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-16 05:02:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-16 05:02:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-16 05:02:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-16 05:02:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-16 05:02:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-16 05:02:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-16 05:02:17,643 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-16 05:02:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_current_addr [2021-12-16 05:02:17,643 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_current_addr [2021-12-16 05:02:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 05:02:17,644 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 05:02:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_mac [2021-12-16 05:02:17,644 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_mac [2021-12-16 05:02:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_disable [2021-12-16 05:02:17,644 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_disable [2021-12-16 05:02:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_stop_phy_polling [2021-12-16 05:02:17,644 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_stop_phy_polling [2021-12-16 05:02:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-16 05:02:17,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-16 05:02:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-16 05:02:17,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-16 05:02:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-16 05:02:17,645 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-16 05:02:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-16 05:02:17,646 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-16 05:02:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-16 05:02:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-16 05:02:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 05:02:17,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 05:02:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-16 05:02:17,648 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-16 05:02:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-16 05:02:17,648 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-16 05:02:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-16 05:02:17,649 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-16 05:02:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 05:02:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-16 05:02:17,649 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-16 05:02:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_speed_and_duplex [2021-12-16 05:02:17,650 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_speed_and_duplex [2021-12-16 05:02:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2021-12-16 05:02:17,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2021-12-16 05:02:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-16 05:02:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-16 05:02:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_close [2021-12-16 05:02:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_close [2021-12-16 05:02:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-16 05:02:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-16 05:02:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_reg [2021-12-16 05:02:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_reg [2021-12-16 05:02:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 05:02:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_init [2021-12-16 05:02:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_init [2021-12-16 05:02:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_dbg [2021-12-16 05:02:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_dbg [2021-12-16 05:02:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_regs_len [2021-12-16 05:02:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_regs_len [2021-12-16 05:02:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-16 05:02:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-16 05:02:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-16 05:02:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-16 05:02:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_ring_resources [2021-12-16 05:02:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_ring_resources [2021-12-16 05:02:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 05:02:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-16 05:02:17,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-16 05:02:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 05:02:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-16 05:02:17,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-16 05:02:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 05:02:17,655 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 05:02:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-16 05:02:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-16 05:02:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-16 05:02:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-16 05:02:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-16 05:02:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-16 05:02:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-16 05:02:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-16 05:02:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-16 05:02:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-16 05:02:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_multi [2021-12-16 05:02:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_multi [2021-12-16 05:02:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-16 05:02:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-16 05:02:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 05:02:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 05:02:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-16 05:02:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-16 05:02:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-16 05:02:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-16 05:02:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-16 05:02:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-16 05:02:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 05:02:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_start_phy_polling [2021-12-16 05:02:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_start_phy_polling [2021-12-16 05:02:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-16 05:02:17,666 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-16 05:02:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-16 05:02:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 05:02:17,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 05:02:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-16 05:02:17,667 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-16 05:02:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-16 05:02:17,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-16 05:02:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-12-16 05:02:17,668 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-12-16 05:02:17,668 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_core [2021-12-16 05:02:17,668 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_core [2021-12-16 05:02:17,668 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_until_idle [2021-12-16 05:02:17,668 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_until_idle [2021-12-16 05:02:17,668 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-16 05:02:17,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-16 05:02:17,668 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-16 05:02:17,668 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-16 05:02:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-16 05:02:17,669 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-16 05:02:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_link_status [2021-12-16 05:02:17,669 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_link_status [2021-12-16 05:02:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-16 05:02:17,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-16 05:02:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_alloc_rx_buffer [2021-12-16 05:02:17,669 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_alloc_rx_buffer [2021-12-16 05:02:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2021-12-16 05:02:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2021-12-16 05:02:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_io_resume [2021-12-16 05:02:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_io_resume [2021-12-16 05:02:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_dbg [2021-12-16 05:02:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_dbg [2021-12-16 05:02:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_mdio_idle [2021-12-16 05:02:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_mdio_idle [2021-12-16 05:02:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-16 05:02:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-16 05:02:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-16 05:02:17,671 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-16 05:02:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_vlan_mode [2021-12-16 05:02:17,671 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_vlan_mode [2021-12-16 05:02:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tx_buffer [2021-12-16 05:02:17,671 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tx_buffer [2021-12-16 05:02:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_down [2021-12-16 05:02:17,671 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_down [2021-12-16 05:02:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_suspend [2021-12-16 05:02:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_suspend [2021-12-16 05:02:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 05:02:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 05:02:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-16 05:02:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-16 05:02:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-16 05:02:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-16 05:02:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-16 05:02:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-16 05:02:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 05:02:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 05:02:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 05:02:17,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 05:02:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-16 05:02:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-16 05:02:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-16 05:02:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-16 05:02:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-16 05:02:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-16 05:02:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-12-16 05:02:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-12-16 05:02:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_tx_timeout [2021-12-16 05:02:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_tx_timeout [2021-12-16 05:02:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-16 05:02:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-16 05:02:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-16 05:02:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-16 05:02:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tpd [2021-12-16 05:02:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tpd [2021-12-16 05:02:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_hw_set_mac_addr [2021-12-16 05:02:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_hw_set_mac_addr [2021-12-16 05:02:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-16 05:02:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-16 05:02:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-16 05:02:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-16 05:02:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-16 05:02:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-16 05:02:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_restart_autoneg [2021-12-16 05:02:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_restart_autoneg [2021-12-16 05:02:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_rxbufsize [2021-12-16 05:02:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_rxbufsize [2021-12-16 05:02:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-16 05:02:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-16 05:02:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 05:02:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 05:02:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_irq [2021-12-16 05:02:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_irq [2021-12-16 05:02:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-16 05:02:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-16 05:02:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_ext [2021-12-16 05:02:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_ext [2021-12-16 05:02:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-16 05:02:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-16 05:02:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-16 05:02:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-16 05:02:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 05:02:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-16 05:02:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-16 05:02:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_nway_reset [2021-12-16 05:02:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_nway_reset [2021-12-16 05:02:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_dma_ring [2021-12-16 05:02:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_dma_ring [2021-12-16 05:02:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-16 05:02:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-16 05:02:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 05:02:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_enable [2021-12-16 05:02:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_enable [2021-12-16 05:02:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-16 05:02:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-16 05:02:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_eeprom_len [2021-12-16 05:02:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_eeprom_len [2021-12-16 05:02:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 05:02:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-16 05:02:17,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-16 05:02:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-16 05:02:17,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-16 05:02:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_eeprom_exist [2021-12-16 05:02:17,685 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_eeprom_exist [2021-12-16 05:02:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-16 05:02:17,685 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-16 05:02:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-16 05:02:17,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-16 05:02:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_netpoll [2021-12-16 05:02:17,687 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_netpoll [2021-12-16 05:02:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-16 05:02:17,687 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-16 05:02:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-16 05:02:17,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-16 05:02:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-16 05:02:17,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-16 05:02:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_configure [2021-12-16 05:02:17,687 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_configure [2021-12-16 05:02:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-12-16 05:02:17,688 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-12-16 05:02:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2021-12-16 05:02:17,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2021-12-16 05:02:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_tx_ring [2021-12-16 05:02:17,688 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_tx_ring [2021-12-16 05:02:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_reset [2021-12-16 05:02:17,688 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_reset [2021-12-16 05:02:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_open [2021-12-16 05:02:17,689 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_open [2021-12-16 05:02:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-16 05:02:17,689 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-16 05:02:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-16 05:02:17,689 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-16 05:02:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-16 05:02:17,689 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-16 05:02:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-16 05:02:17,689 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-16 05:02:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_intr [2021-12-16 05:02:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_intr [2021-12-16 05:02:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-16 05:02:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-16 05:02:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_power_saving [2021-12-16 05:02:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_power_saving [2021-12-16 05:02:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_setup_adv [2021-12-16 05:02:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_setup_adv [2021-12-16 05:02:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-16 05:02:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-16 05:02:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 05:02:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 05:02:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_buffer [2021-12-16 05:02:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_buffer [2021-12-16 05:02:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_remove [2021-12-16 05:02:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_remove [2021-12-16 05:02:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 05:02:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 05:02:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 05:02:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2021-12-16 05:02:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2021-12-16 05:02:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-16 05:02:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-16 05:02:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-16 05:02:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-16 05:02:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_up [2021-12-16 05:02:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_up [2021-12-16 05:02:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-16 05:02:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-16 05:02:17,693 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_disable_l0s_l1 [2021-12-16 05:02:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_disable_l0s_l1 [2021-12-16 05:02:17,693 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_resume [2021-12-16 05:02:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_resume [2021-12-16 05:02:17,693 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-12-16 05:02:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-12-16 05:02:17,693 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_pcie [2021-12-16 05:02:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_pcie [2021-12-16 05:02:17,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-16 05:02:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-16 05:02:17,694 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-16 05:02:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-16 05:02:17,694 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-16 05:02:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-16 05:02:17,694 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_shutdown [2021-12-16 05:02:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_shutdown [2021-12-16 05:02:17,694 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_aspm [2021-12-16 05:02:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_aspm [2021-12-16 05:02:17,694 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-12-16 05:02:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-12-16 05:02:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-16 05:02:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-16 05:02:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-16 05:02:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-16 05:02:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_reg [2021-12-16 05:02:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_reg [2021-12-16 05:02:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 05:02:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-16 05:02:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-16 05:02:18,779 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 05:02:18,783 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 05:02:19,194 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 05:02:25,028 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 05:02:25,059 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 05:02:25,059 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-16 05:02:25,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:02:25 BoogieIcfgContainer [2021-12-16 05:02:25,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 05:02:25,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 05:02:25,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 05:02:25,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 05:02:25,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:02:13" (1/3) ... [2021-12-16 05:02:25,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd04126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:02:25, skipping insertion in model container [2021-12-16 05:02:25,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:02:16" (2/3) ... [2021-12-16 05:02:25,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd04126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:02:25, skipping insertion in model container [2021-12-16 05:02:25,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:02:25" (3/3) ... [2021-12-16 05:02:25,073 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2021-12-16 05:02:25,080 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 05:02:25,080 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-12-16 05:02:25,143 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 05:02:25,159 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 [2021-12-16 05:02:25,161 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-16 05:02:25,236 INFO L276 IsEmpty]: Start isEmpty. Operand has 3738 states, 2494 states have (on average 1.2489975942261426) internal successors, (3115), 2549 states have internal predecessors, (3115), 1081 states have call successors, (1081), 159 states have call predecessors, (1081), 158 states have return successors, (1074), 1065 states have call predecessors, (1074), 1074 states have call successors, (1074) [2021-12-16 05:02:25,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-16 05:02:25,242 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:02:25,242 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:02:25,243 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)] === [2021-12-16 05:02:25,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:02:25,248 INFO L85 PathProgramCache]: Analyzing trace with hash 686473012, now seen corresponding path program 1 times [2021-12-16 05:02:25,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:02:25,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740522997] [2021-12-16 05:02:25,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:02:25,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:02:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:25,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:02:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:25,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:02:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:25,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 05:02:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:25,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:25,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 05:02:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:25,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 05:02:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:25,790 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-16 05:02:25,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:02:25,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740522997] [2021-12-16 05:02:25,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740522997] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:02:25,792 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:02:25,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 05:02:25,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434843786] [2021-12-16 05:02:25,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:02:25,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 05:02:25,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:02:25,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 05:02:25,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:02:25,839 INFO L87 Difference]: Start difference. First operand has 3738 states, 2494 states have (on average 1.2489975942261426) internal successors, (3115), 2549 states have internal predecessors, (3115), 1081 states have call successors, (1081), 159 states have call predecessors, (1081), 158 states have return successors, (1074), 1065 states have call predecessors, (1074), 1074 states have call successors, (1074) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-16 05:02:26,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:02:26,153 INFO L93 Difference]: Finished difference Result 7449 states and 10625 transitions. [2021-12-16 05:02:26,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 05:02:26,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2021-12-16 05:02:26,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:02:26,188 INFO L225 Difference]: With dead ends: 7449 [2021-12-16 05:02:26,188 INFO L226 Difference]: Without dead ends: 3723 [2021-12-16 05:02:26,212 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 05:02:26,215 INFO L933 BasicCegarLoop]: 5246 mSDtfsCounter, 5221 mSDsluCounter, 10475 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5237 SdHoareTripleChecker+Valid, 15721 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 05:02:26,216 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5237 Valid, 15721 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 05:02:26,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3723 states. [2021-12-16 05:02:26,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3723 to 3723. [2021-12-16 05:02:26,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3723 states, 2487 states have (on average 1.241254523522316) internal successors, (3087), 2538 states have internal predecessors, (3087), 1074 states have call successors, (1074), 159 states have call predecessors, (1074), 158 states have return successors, (1071), 1062 states have call predecessors, (1071), 1071 states have call successors, (1071) [2021-12-16 05:02:26,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3723 states to 3723 states and 5232 transitions. [2021-12-16 05:02:26,469 INFO L78 Accepts]: Start accepts. Automaton has 3723 states and 5232 transitions. Word has length 48 [2021-12-16 05:02:26,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:02:26,469 INFO L470 AbstractCegarLoop]: Abstraction has 3723 states and 5232 transitions. [2021-12-16 05:02:26,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-16 05:02:26,470 INFO L276 IsEmpty]: Start isEmpty. Operand 3723 states and 5232 transitions. [2021-12-16 05:02:26,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-12-16 05:02:26,472 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:02:26,472 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:02:26,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 05:02:26,472 INFO L402 AbstractCegarLoop]: === Iteration 2 === 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)] === [2021-12-16 05:02:26,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:02:26,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1093032917, now seen corresponding path program 1 times [2021-12-16 05:02:26,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:02:26,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475169166] [2021-12-16 05:02:26,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:02:26,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:02:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:26,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:02:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:26,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:02:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:26,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 05:02:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:26,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:26,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 05:02:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:26,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 05:02:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:26,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 05:02:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:26,842 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-16 05:02:26,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:02:26,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475169166] [2021-12-16 05:02:26,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475169166] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:02:26,844 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:02:26,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 05:02:26,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262246339] [2021-12-16 05:02:26,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:02:26,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 05:02:26,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:02:26,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 05:02:26,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:02:26,848 INFO L87 Difference]: Start difference. First operand 3723 states and 5232 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-16 05:02:27,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:02:27,020 INFO L93 Difference]: Finished difference Result 3729 states and 5237 transitions. [2021-12-16 05:02:27,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 05:02:27,020 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2021-12-16 05:02:27,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:02:27,041 INFO L225 Difference]: With dead ends: 3729 [2021-12-16 05:02:27,041 INFO L226 Difference]: Without dead ends: 3727 [2021-12-16 05:02:27,044 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 05:02:27,045 INFO L933 BasicCegarLoop]: 5229 mSDtfsCounter, 5197 mSDsluCounter, 10435 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5211 SdHoareTripleChecker+Valid, 15664 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 05:02:27,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5211 Valid, 15664 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 05:02:27,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3727 states. [2021-12-16 05:02:27,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3727 to 3727. [2021-12-16 05:02:27,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3727 states, 2490 states have (on average 1.2409638554216869) internal successors, (3090), 2541 states have internal predecessors, (3090), 1074 states have call successors, (1074), 160 states have call predecessors, (1074), 159 states have return successors, (1071), 1062 states have call predecessors, (1071), 1071 states have call successors, (1071) [2021-12-16 05:02:27,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3727 states to 3727 states and 5235 transitions. [2021-12-16 05:02:27,208 INFO L78 Accepts]: Start accepts. Automaton has 3727 states and 5235 transitions. Word has length 53 [2021-12-16 05:02:27,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:02:27,208 INFO L470 AbstractCegarLoop]: Abstraction has 3727 states and 5235 transitions. [2021-12-16 05:02:27,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-16 05:02:27,209 INFO L276 IsEmpty]: Start isEmpty. Operand 3727 states and 5235 transitions. [2021-12-16 05:02:27,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-12-16 05:02:27,210 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:02:27,210 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:02:27,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 05:02:27,211 INFO L402 AbstractCegarLoop]: === Iteration 3 === 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)] === [2021-12-16 05:02:27,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:02:27,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1681086804, now seen corresponding path program 1 times [2021-12-16 05:02:27,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:02:27,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554026136] [2021-12-16 05:02:27,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:02:27,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:02:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:27,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:02:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:27,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:02:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:27,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 05:02:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:27,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:27,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 05:02:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:27,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 05:02:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:27,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 05:02:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:27,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-16 05:02:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:27,381 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-16 05:02:27,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:02:27,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554026136] [2021-12-16 05:02:27,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554026136] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:02:27,381 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:02:27,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 05:02:27,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455933027] [2021-12-16 05:02:27,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:02:27,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 05:02:27,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:02:27,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 05:02:27,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:02:27,385 INFO L87 Difference]: Start difference. First operand 3727 states and 5235 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-16 05:02:27,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:02:27,546 INFO L93 Difference]: Finished difference Result 3733 states and 5240 transitions. [2021-12-16 05:02:27,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 05:02:27,547 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2021-12-16 05:02:27,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:02:27,630 INFO L225 Difference]: With dead ends: 3733 [2021-12-16 05:02:27,633 INFO L226 Difference]: Without dead ends: 3731 [2021-12-16 05:02:27,634 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 05:02:27,634 INFO L933 BasicCegarLoop]: 5229 mSDtfsCounter, 5197 mSDsluCounter, 10435 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5210 SdHoareTripleChecker+Valid, 15664 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 05:02:27,638 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5210 Valid, 15664 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 05:02:27,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3731 states. [2021-12-16 05:02:27,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3731 to 3731. [2021-12-16 05:02:27,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3731 states, 2493 states have (on average 1.2406738868832732) internal successors, (3093), 2544 states have internal predecessors, (3093), 1074 states have call successors, (1074), 161 states have call predecessors, (1074), 160 states have return successors, (1071), 1062 states have call predecessors, (1071), 1071 states have call successors, (1071) [2021-12-16 05:02:27,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3731 states to 3731 states and 5238 transitions. [2021-12-16 05:02:27,765 INFO L78 Accepts]: Start accepts. Automaton has 3731 states and 5238 transitions. Word has length 58 [2021-12-16 05:02:27,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:02:27,766 INFO L470 AbstractCegarLoop]: Abstraction has 3731 states and 5238 transitions. [2021-12-16 05:02:27,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-16 05:02:27,766 INFO L276 IsEmpty]: Start isEmpty. Operand 3731 states and 5238 transitions. [2021-12-16 05:02:27,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-12-16 05:02:27,771 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:02:27,772 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:02:27,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 05:02:27,772 INFO L402 AbstractCegarLoop]: === Iteration 4 === 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)] === [2021-12-16 05:02:27,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:02:27,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1370918283, now seen corresponding path program 1 times [2021-12-16 05:02:27,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:02:27,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151039311] [2021-12-16 05:02:27,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:02:27,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:02:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:27,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:02:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:27,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:02:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:27,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 05:02:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:27,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:27,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 05:02:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:27,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 05:02:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:27,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 05:02:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:27,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-16 05:02:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:27,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-16 05:02:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:27,946 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-16 05:02:27,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:02:27,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151039311] [2021-12-16 05:02:27,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151039311] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:02:27,947 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:02:27,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 05:02:27,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262522673] [2021-12-16 05:02:27,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:02:27,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 05:02:27,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:02:27,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 05:02:27,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:02:27,949 INFO L87 Difference]: Start difference. First operand 3731 states and 5238 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 05:02:28,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:02:28,112 INFO L93 Difference]: Finished difference Result 3737 states and 5243 transitions. [2021-12-16 05:02:28,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 05:02:28,113 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2021-12-16 05:02:28,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:02:28,133 INFO L225 Difference]: With dead ends: 3737 [2021-12-16 05:02:28,134 INFO L226 Difference]: Without dead ends: 3735 [2021-12-16 05:02:28,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 05:02:28,139 INFO L933 BasicCegarLoop]: 5229 mSDtfsCounter, 5197 mSDsluCounter, 10435 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5209 SdHoareTripleChecker+Valid, 15664 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 05:02:28,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5209 Valid, 15664 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 05:02:28,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3735 states. [2021-12-16 05:02:28,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3735 to 3735. [2021-12-16 05:02:28,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3735 states, 2496 states have (on average 1.2403846153846154) internal successors, (3096), 2547 states have internal predecessors, (3096), 1074 states have call successors, (1074), 162 states have call predecessors, (1074), 161 states have return successors, (1071), 1062 states have call predecessors, (1071), 1071 states have call successors, (1071) [2021-12-16 05:02:28,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3735 states to 3735 states and 5241 transitions. [2021-12-16 05:02:28,305 INFO L78 Accepts]: Start accepts. Automaton has 3735 states and 5241 transitions. Word has length 63 [2021-12-16 05:02:28,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:02:28,305 INFO L470 AbstractCegarLoop]: Abstraction has 3735 states and 5241 transitions. [2021-12-16 05:02:28,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 05:02:28,305 INFO L276 IsEmpty]: Start isEmpty. Operand 3735 states and 5241 transitions. [2021-12-16 05:02:28,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-12-16 05:02:28,306 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:02:28,306 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:02:28,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 05:02:28,307 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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)] === [2021-12-16 05:02:28,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:02:28,307 INFO L85 PathProgramCache]: Analyzing trace with hash 2014018420, now seen corresponding path program 1 times [2021-12-16 05:02:28,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:02:28,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270181454] [2021-12-16 05:02:28,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:02:28,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:02:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:28,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:02:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:28,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:02:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:28,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 05:02:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:28,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:28,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 05:02:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:28,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 05:02:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:28,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 05:02:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:28,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-16 05:02:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:28,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-16 05:02:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:28,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-16 05:02:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:28,503 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-12-16 05:02:28,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:02:28,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270181454] [2021-12-16 05:02:28,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270181454] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:02:28,504 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:02:28,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 05:02:28,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886474181] [2021-12-16 05:02:28,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:02:28,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 05:02:28,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:02:28,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 05:02:28,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:02:28,506 INFO L87 Difference]: Start difference. First operand 3735 states and 5241 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-16 05:02:28,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:02:28,685 INFO L93 Difference]: Finished difference Result 3741 states and 5246 transitions. [2021-12-16 05:02:28,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 05:02:28,686 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2021-12-16 05:02:28,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:02:28,707 INFO L225 Difference]: With dead ends: 3741 [2021-12-16 05:02:28,708 INFO L226 Difference]: Without dead ends: 3739 [2021-12-16 05:02:28,711 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 05:02:28,712 INFO L933 BasicCegarLoop]: 5229 mSDtfsCounter, 5197 mSDsluCounter, 10435 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5208 SdHoareTripleChecker+Valid, 15664 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 05:02:28,712 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5208 Valid, 15664 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 05:02:28,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3739 states. [2021-12-16 05:02:28,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3739 to 3739. [2021-12-16 05:02:28,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3739 states, 2499 states have (on average 1.240096038415366) internal successors, (3099), 2550 states have internal predecessors, (3099), 1074 states have call successors, (1074), 163 states have call predecessors, (1074), 162 states have return successors, (1071), 1062 states have call predecessors, (1071), 1071 states have call successors, (1071) [2021-12-16 05:02:28,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3739 states to 3739 states and 5244 transitions. [2021-12-16 05:02:28,901 INFO L78 Accepts]: Start accepts. Automaton has 3739 states and 5244 transitions. Word has length 68 [2021-12-16 05:02:28,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:02:28,901 INFO L470 AbstractCegarLoop]: Abstraction has 3739 states and 5244 transitions. [2021-12-16 05:02:28,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-16 05:02:28,902 INFO L276 IsEmpty]: Start isEmpty. Operand 3739 states and 5244 transitions. [2021-12-16 05:02:28,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-12-16 05:02:28,903 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:02:28,903 INFO L514 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:02:28,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 05:02:28,904 INFO L402 AbstractCegarLoop]: === Iteration 6 === 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)] === [2021-12-16 05:02:28,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:02:28,904 INFO L85 PathProgramCache]: Analyzing trace with hash 687174958, now seen corresponding path program 1 times [2021-12-16 05:02:28,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:02:28,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663518763] [2021-12-16 05:02:28,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:02:28,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:02:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:29,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:02:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:29,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:02:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:29,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 05:02:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:29,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:29,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 05:02:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:29,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 05:02:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:29,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-16 05:02:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:29,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-16 05:02:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:29,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-16 05:02:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:29,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:02:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:29,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-16 05:02:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:29,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-16 05:02:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:29,090 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-12-16 05:02:29,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:02:29,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663518763] [2021-12-16 05:02:29,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663518763] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:02:29,091 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:02:29,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 05:02:29,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123515364] [2021-12-16 05:02:29,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:02:29,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 05:02:29,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:02:29,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 05:02:29,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:02:29,093 INFO L87 Difference]: Start difference. First operand 3739 states and 5244 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-16 05:02:29,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:02:29,254 INFO L93 Difference]: Finished difference Result 3745 states and 5249 transitions. [2021-12-16 05:02:29,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 05:02:29,254 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 86 [2021-12-16 05:02:29,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:02:29,272 INFO L225 Difference]: With dead ends: 3745 [2021-12-16 05:02:29,272 INFO L226 Difference]: Without dead ends: 3743 [2021-12-16 05:02:29,274 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 05:02:29,274 INFO L933 BasicCegarLoop]: 5229 mSDtfsCounter, 5187 mSDsluCounter, 10435 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5197 SdHoareTripleChecker+Valid, 15664 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 05:02:29,274 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5197 Valid, 15664 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 05:02:29,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3743 states. [2021-12-16 05:02:29,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3743 to 3743. [2021-12-16 05:02:29,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3743 states, 2502 states have (on average 1.2398081534772183) internal successors, (3102), 2553 states have internal predecessors, (3102), 1074 states have call successors, (1074), 164 states have call predecessors, (1074), 163 states have return successors, (1071), 1062 states have call predecessors, (1071), 1071 states have call successors, (1071) [2021-12-16 05:02:29,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 3743 states and 5247 transitions. [2021-12-16 05:02:29,472 INFO L78 Accepts]: Start accepts. Automaton has 3743 states and 5247 transitions. Word has length 86 [2021-12-16 05:02:29,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:02:29,472 INFO L470 AbstractCegarLoop]: Abstraction has 3743 states and 5247 transitions. [2021-12-16 05:02:29,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-16 05:02:29,473 INFO L276 IsEmpty]: Start isEmpty. Operand 3743 states and 5247 transitions. [2021-12-16 05:02:29,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-12-16 05:02:29,473 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:02:29,474 INFO L514 BasicCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:02:29,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 05:02:29,474 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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)] === [2021-12-16 05:02:29,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:02:29,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1117449935, now seen corresponding path program 1 times [2021-12-16 05:02:29,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:02:29,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381704855] [2021-12-16 05:02:29,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:02:29,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:02:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:29,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:02:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:29,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:02:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:29,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 05:02:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:29,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:29,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 05:02:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:29,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 05:02:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:29,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-16 05:02:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:29,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-16 05:02:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:29,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-16 05:02:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:29,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:02:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:29,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-16 05:02:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:29,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-16 05:02:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:29,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 05:02:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:29,673 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-12-16 05:02:29,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:02:29,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381704855] [2021-12-16 05:02:29,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381704855] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:02:29,673 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:02:29,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 05:02:29,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100040208] [2021-12-16 05:02:29,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:02:29,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 05:02:29,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:02:29,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 05:02:29,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:02:29,675 INFO L87 Difference]: Start difference. First operand 3743 states and 5247 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-16 05:02:29,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:02:29,808 INFO L93 Difference]: Finished difference Result 3749 states and 5252 transitions. [2021-12-16 05:02:29,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 05:02:29,809 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 91 [2021-12-16 05:02:29,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:02:29,824 INFO L225 Difference]: With dead ends: 3749 [2021-12-16 05:02:29,824 INFO L226 Difference]: Without dead ends: 3747 [2021-12-16 05:02:29,825 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 05:02:29,826 INFO L933 BasicCegarLoop]: 5229 mSDtfsCounter, 5187 mSDsluCounter, 10435 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5196 SdHoareTripleChecker+Valid, 15664 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 05:02:29,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5196 Valid, 15664 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 05:02:29,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3747 states. [2021-12-16 05:02:29,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3747 to 3747. [2021-12-16 05:02:29,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3747 states, 2505 states have (on average 1.2395209580838322) internal successors, (3105), 2556 states have internal predecessors, (3105), 1074 states have call successors, (1074), 165 states have call predecessors, (1074), 164 states have return successors, (1071), 1062 states have call predecessors, (1071), 1071 states have call successors, (1071) [2021-12-16 05:02:29,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3747 states to 3747 states and 5250 transitions. [2021-12-16 05:02:29,973 INFO L78 Accepts]: Start accepts. Automaton has 3747 states and 5250 transitions. Word has length 91 [2021-12-16 05:02:29,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:02:29,974 INFO L470 AbstractCegarLoop]: Abstraction has 3747 states and 5250 transitions. [2021-12-16 05:02:29,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-16 05:02:29,974 INFO L276 IsEmpty]: Start isEmpty. Operand 3747 states and 5250 transitions. [2021-12-16 05:02:29,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-16 05:02:29,975 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:02:29,975 INFO L514 BasicCegarLoop]: trace histogram [8, 7, 7, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:02:29,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 05:02:29,976 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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)] === [2021-12-16 05:02:29,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:02:29,976 INFO L85 PathProgramCache]: Analyzing trace with hash -2069182389, now seen corresponding path program 1 times [2021-12-16 05:02:29,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:02:29,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948895156] [2021-12-16 05:02:29,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:02:29,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:02:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:02:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:02:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 05:02:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 05:02:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 05:02:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 05:02:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-16 05:02:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-16 05:02:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-16 05:02:30,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-16 05:02:30,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:02:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-16 05:02:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,153 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-12-16 05:02:30,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:02:30,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948895156] [2021-12-16 05:02:30,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948895156] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:02:30,153 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:02:30,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 05:02:30,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055328837] [2021-12-16 05:02:30,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:02:30,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 05:02:30,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:02:30,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 05:02:30,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:02:30,155 INFO L87 Difference]: Start difference. First operand 3747 states and 5250 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-16 05:02:30,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:02:30,315 INFO L93 Difference]: Finished difference Result 3753 states and 5255 transitions. [2021-12-16 05:02:30,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 05:02:30,315 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 83 [2021-12-16 05:02:30,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:02:30,330 INFO L225 Difference]: With dead ends: 3753 [2021-12-16 05:02:30,330 INFO L226 Difference]: Without dead ends: 3751 [2021-12-16 05:02:30,331 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 05:02:30,332 INFO L933 BasicCegarLoop]: 5229 mSDtfsCounter, 5197 mSDsluCounter, 10435 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5205 SdHoareTripleChecker+Valid, 15664 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 05:02:30,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5205 Valid, 15664 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 05:02:30,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3751 states. [2021-12-16 05:02:30,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3751 to 3751. [2021-12-16 05:02:30,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3751 states, 2508 states have (on average 1.2392344497607655) internal successors, (3108), 2559 states have internal predecessors, (3108), 1074 states have call successors, (1074), 166 states have call predecessors, (1074), 165 states have return successors, (1071), 1062 states have call predecessors, (1071), 1071 states have call successors, (1071) [2021-12-16 05:02:30,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3751 states to 3751 states and 5253 transitions. [2021-12-16 05:02:30,495 INFO L78 Accepts]: Start accepts. Automaton has 3751 states and 5253 transitions. Word has length 83 [2021-12-16 05:02:30,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:02:30,495 INFO L470 AbstractCegarLoop]: Abstraction has 3751 states and 5253 transitions. [2021-12-16 05:02:30,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-16 05:02:30,496 INFO L276 IsEmpty]: Start isEmpty. Operand 3751 states and 5253 transitions. [2021-12-16 05:02:30,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-12-16 05:02:30,497 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:02:30,497 INFO L514 BasicCegarLoop]: trace histogram [9, 8, 8, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:02:30,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-16 05:02:30,498 INFO L402 AbstractCegarLoop]: === Iteration 9 === 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)] === [2021-12-16 05:02:30,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:02:30,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1052923828, now seen corresponding path program 1 times [2021-12-16 05:02:30,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:02:30,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125798574] [2021-12-16 05:02:30,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:02:30,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:02:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:02:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:02:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 05:02:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 05:02:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 05:02:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 05:02:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-16 05:02:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-16 05:02:30,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-16 05:02:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-16 05:02:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:02:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-16 05:02:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:02:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:30,669 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2021-12-16 05:02:30,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:02:30,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125798574] [2021-12-16 05:02:30,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125798574] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:02:30,670 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:02:30,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 05:02:30,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597222220] [2021-12-16 05:02:30,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:02:30,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 05:02:30,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:02:30,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 05:02:30,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:02:30,671 INFO L87 Difference]: Start difference. First operand 3751 states and 5253 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-16 05:02:30,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:02:30,829 INFO L93 Difference]: Finished difference Result 3928 states and 5481 transitions. [2021-12-16 05:02:30,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 05:02:30,830 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 88 [2021-12-16 05:02:30,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:02:30,875 INFO L225 Difference]: With dead ends: 3928 [2021-12-16 05:02:30,875 INFO L226 Difference]: Without dead ends: 3926 [2021-12-16 05:02:30,877 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 05:02:30,877 INFO L933 BasicCegarLoop]: 5380 mSDtfsCounter, 5106 mSDsluCounter, 11049 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5113 SdHoareTripleChecker+Valid, 16429 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 05:02:30,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5113 Valid, 16429 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 05:02:30,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3926 states. [2021-12-16 05:02:31,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3926 to 3924. [2021-12-16 05:02:31,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3924 states, 2632 states have (on average 1.2420212765957446) internal successors, (3269), 2684 states have internal predecessors, (3269), 1106 states have call successors, (1106), 183 states have call predecessors, (1106), 182 states have return successors, (1103), 1094 states have call predecessors, (1103), 1103 states have call successors, (1103) [2021-12-16 05:02:31,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3924 states to 3924 states and 5478 transitions. [2021-12-16 05:02:31,020 INFO L78 Accepts]: Start accepts. Automaton has 3924 states and 5478 transitions. Word has length 88 [2021-12-16 05:02:31,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:02:31,020 INFO L470 AbstractCegarLoop]: Abstraction has 3924 states and 5478 transitions. [2021-12-16 05:02:31,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-16 05:02:31,021 INFO L276 IsEmpty]: Start isEmpty. Operand 3924 states and 5478 transitions. [2021-12-16 05:02:31,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-16 05:02:31,022 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:02:31,022 INFO L514 BasicCegarLoop]: trace histogram [10, 9, 9, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:02:31,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-16 05:02:31,022 INFO L402 AbstractCegarLoop]: === Iteration 10 === 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)] === [2021-12-16 05:02:31,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:02:31,023 INFO L85 PathProgramCache]: Analyzing trace with hash -212461141, now seen corresponding path program 1 times [2021-12-16 05:02:31,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:02:31,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204753862] [2021-12-16 05:02:31,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:02:31,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:02:31,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:02:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:02:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 05:02:31,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 05:02:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 05:02:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 05:02:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-16 05:02:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-16 05:02:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-16 05:02:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-16 05:02:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:02:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-16 05:02:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:02:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-16 05:02:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,211 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-12-16 05:02:31,211 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:02:31,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204753862] [2021-12-16 05:02:31,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204753862] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:02:31,211 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:02:31,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 05:02:31,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940348683] [2021-12-16 05:02:31,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:02:31,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 05:02:31,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:02:31,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 05:02:31,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:02:31,213 INFO L87 Difference]: Start difference. First operand 3924 states and 5478 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-16 05:02:31,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:02:31,380 INFO L93 Difference]: Finished difference Result 3930 states and 5483 transitions. [2021-12-16 05:02:31,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 05:02:31,380 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 93 [2021-12-16 05:02:31,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:02:31,393 INFO L225 Difference]: With dead ends: 3930 [2021-12-16 05:02:31,393 INFO L226 Difference]: Without dead ends: 3928 [2021-12-16 05:02:31,395 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 05:02:31,395 INFO L933 BasicCegarLoop]: 5229 mSDtfsCounter, 5197 mSDsluCounter, 10435 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5203 SdHoareTripleChecker+Valid, 15664 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 05:02:31,396 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5203 Valid, 15664 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 05:02:31,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3928 states. [2021-12-16 05:02:31,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3928 to 3928. [2021-12-16 05:02:31,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3928 states, 2635 states have (on average 1.2417457305502846) internal successors, (3272), 2687 states have internal predecessors, (3272), 1106 states have call successors, (1106), 184 states have call predecessors, (1106), 183 states have return successors, (1103), 1094 states have call predecessors, (1103), 1103 states have call successors, (1103) [2021-12-16 05:02:31,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3928 states to 3928 states and 5481 transitions. [2021-12-16 05:02:31,543 INFO L78 Accepts]: Start accepts. Automaton has 3928 states and 5481 transitions. Word has length 93 [2021-12-16 05:02:31,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:02:31,544 INFO L470 AbstractCegarLoop]: Abstraction has 3928 states and 5481 transitions. [2021-12-16 05:02:31,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-16 05:02:31,544 INFO L276 IsEmpty]: Start isEmpty. Operand 3928 states and 5481 transitions. [2021-12-16 05:02:31,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-12-16 05:02:31,545 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:02:31,545 INFO L514 BasicCegarLoop]: trace histogram [11, 10, 10, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:02:31,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-16 05:02:31,546 INFO L402 AbstractCegarLoop]: === Iteration 11 === 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)] === [2021-12-16 05:02:31,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:02:31,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1745613583, now seen corresponding path program 1 times [2021-12-16 05:02:31,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:02:31,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066356604] [2021-12-16 05:02:31,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:02:31,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:02:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:02:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:02:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 05:02:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 05:02:31,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 05:02:31,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-16 05:02:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-16 05:02:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-16 05:02:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:02:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-16 05:02:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-16 05:02:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 05:02:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-16 05:02:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-16 05:02:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-16 05:02:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 05:02:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:31,751 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2021-12-16 05:02:31,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:02:31,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066356604] [2021-12-16 05:02:31,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066356604] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:02:31,752 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:02:31,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 05:02:31,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150642969] [2021-12-16 05:02:31,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:02:31,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 05:02:31,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:02:31,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 05:02:31,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:02:31,753 INFO L87 Difference]: Start difference. First operand 3928 states and 5481 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-16 05:02:31,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:02:31,912 INFO L93 Difference]: Finished difference Result 3934 states and 5486 transitions. [2021-12-16 05:02:31,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 05:02:31,912 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 111 [2021-12-16 05:02:31,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:02:31,926 INFO L225 Difference]: With dead ends: 3934 [2021-12-16 05:02:31,926 INFO L226 Difference]: Without dead ends: 3932 [2021-12-16 05:02:31,928 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 05:02:31,928 INFO L933 BasicCegarLoop]: 5229 mSDtfsCounter, 5187 mSDsluCounter, 10435 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5192 SdHoareTripleChecker+Valid, 15664 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 05:02:31,928 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5192 Valid, 15664 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 05:02:31,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3932 states. [2021-12-16 05:02:32,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3932 to 3932. [2021-12-16 05:02:32,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3932 states, 2638 states have (on average 1.2414708112206216) internal successors, (3275), 2690 states have internal predecessors, (3275), 1106 states have call successors, (1106), 185 states have call predecessors, (1106), 184 states have return successors, (1103), 1094 states have call predecessors, (1103), 1103 states have call successors, (1103) [2021-12-16 05:02:32,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3932 states to 3932 states and 5484 transitions. [2021-12-16 05:02:32,129 INFO L78 Accepts]: Start accepts. Automaton has 3932 states and 5484 transitions. Word has length 111 [2021-12-16 05:02:32,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:02:32,130 INFO L470 AbstractCegarLoop]: Abstraction has 3932 states and 5484 transitions. [2021-12-16 05:02:32,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-16 05:02:32,130 INFO L276 IsEmpty]: Start isEmpty. Operand 3932 states and 5484 transitions. [2021-12-16 05:02:32,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-12-16 05:02:32,131 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:02:32,132 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:02:32,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-16 05:02:32,132 INFO L402 AbstractCegarLoop]: === Iteration 12 === 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)] === [2021-12-16 05:02:32,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:02:32,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1335173313, now seen corresponding path program 1 times [2021-12-16 05:02:32,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:02:32,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385135025] [2021-12-16 05:02:32,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:02:32,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:02:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:32,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:02:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:32,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:02:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:32,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 05:02:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:32,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:32,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 05:02:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:32,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 05:02:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:32,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-16 05:02:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:32,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-16 05:02:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:32,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:32,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:02:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:32,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:02:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:32,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-16 05:02:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:32,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 05:02:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:32,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:32,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:02:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:32,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:02:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:32,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-16 05:02:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:32,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:32,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:32,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:02:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:32,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:02:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:32,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-16 05:02:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:32,369 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-12-16 05:02:32,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:02:32,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385135025] [2021-12-16 05:02:32,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385135025] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:02:32,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:02:32,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 05:02:32,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292493539] [2021-12-16 05:02:32,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:02:32,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 05:02:32,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:02:32,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 05:02:32,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 05:02:32,371 INFO L87 Difference]: Start difference. First operand 3932 states and 5484 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-16 05:02:37,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:02:37,061 INFO L93 Difference]: Finished difference Result 4190 states and 5889 transitions. [2021-12-16 05:02:37,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:02:37,062 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 131 [2021-12-16 05:02:37,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:02:37,084 INFO L225 Difference]: With dead ends: 4190 [2021-12-16 05:02:37,084 INFO L226 Difference]: Without dead ends: 4188 [2021-12-16 05:02:37,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-16 05:02:37,088 INFO L933 BasicCegarLoop]: 5072 mSDtfsCounter, 5302 mSDsluCounter, 10646 mSDsCounter, 0 mSdLazyCounter, 3944 mSolverCounterSat, 2131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6021 SdHoareTripleChecker+Valid, 15718 SdHoareTripleChecker+Invalid, 6075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2131 IncrementalHoareTripleChecker+Valid, 3944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-12-16 05:02:37,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6021 Valid, 15718 Invalid, 6075 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2131 Valid, 3944 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-12-16 05:02:37,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4188 states. [2021-12-16 05:02:37,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4188 to 3930. [2021-12-16 05:02:37,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3930 states, 2637 states have (on average 1.2411831626848693) internal successors, (3273), 2688 states have internal predecessors, (3273), 1106 states have call successors, (1106), 185 states have call predecessors, (1106), 184 states have return successors, (1103), 1094 states have call predecessors, (1103), 1103 states have call successors, (1103) [2021-12-16 05:02:37,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3930 states to 3930 states and 5482 transitions. [2021-12-16 05:02:37,427 INFO L78 Accepts]: Start accepts. Automaton has 3930 states and 5482 transitions. Word has length 131 [2021-12-16 05:02:37,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:02:37,429 INFO L470 AbstractCegarLoop]: Abstraction has 3930 states and 5482 transitions. [2021-12-16 05:02:37,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-16 05:02:37,430 INFO L276 IsEmpty]: Start isEmpty. Operand 3930 states and 5482 transitions. [2021-12-16 05:02:37,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-12-16 05:02:37,431 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:02:37,431 INFO L514 BasicCegarLoop]: trace histogram [12, 11, 11, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:02:37,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-16 05:02:37,431 INFO L402 AbstractCegarLoop]: === Iteration 13 === 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)] === [2021-12-16 05:02:37,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:02:37,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1660624117, now seen corresponding path program 1 times [2021-12-16 05:02:37,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:02:37,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815693462] [2021-12-16 05:02:37,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:02:37,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:02:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:37,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:02:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:37,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:02:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:37,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 05:02:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:37,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:37,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 05:02:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:37,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 05:02:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:37,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 05:02:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:37,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-16 05:02:37,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:37,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-16 05:02:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:37,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-16 05:02:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:37,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-16 05:02:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:37,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:02:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:37,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-16 05:02:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:37,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:02:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:37,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-16 05:02:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:37,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-16 05:02:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:37,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-16 05:02:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:37,639 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-16 05:02:37,640 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:02:37,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815693462] [2021-12-16 05:02:37,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815693462] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:02:37,640 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:02:37,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 05:02:37,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454644224] [2021-12-16 05:02:37,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:02:37,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 05:02:37,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:02:37,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 05:02:37,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:02:37,642 INFO L87 Difference]: Start difference. First operand 3930 states and 5482 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-16 05:02:37,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:02:37,842 INFO L93 Difference]: Finished difference Result 3936 states and 5487 transitions. [2021-12-16 05:02:37,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 05:02:37,843 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 103 [2021-12-16 05:02:37,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:02:37,860 INFO L225 Difference]: With dead ends: 3936 [2021-12-16 05:02:37,861 INFO L226 Difference]: Without dead ends: 3934 [2021-12-16 05:02:37,864 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 05:02:37,866 INFO L933 BasicCegarLoop]: 5227 mSDtfsCounter, 5195 mSDsluCounter, 10431 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5199 SdHoareTripleChecker+Valid, 15658 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 05:02:37,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5199 Valid, 15658 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 05:02:37,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3934 states. [2021-12-16 05:02:38,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3934 to 3934. [2021-12-16 05:02:38,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3934 states, 2640 states have (on average 1.240909090909091) internal successors, (3276), 2691 states have internal predecessors, (3276), 1106 states have call successors, (1106), 186 states have call predecessors, (1106), 185 states have return successors, (1103), 1094 states have call predecessors, (1103), 1103 states have call successors, (1103) [2021-12-16 05:02:38,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3934 states to 3934 states and 5485 transitions. [2021-12-16 05:02:38,046 INFO L78 Accepts]: Start accepts. Automaton has 3934 states and 5485 transitions. Word has length 103 [2021-12-16 05:02:38,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:02:38,046 INFO L470 AbstractCegarLoop]: Abstraction has 3934 states and 5485 transitions. [2021-12-16 05:02:38,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-16 05:02:38,046 INFO L276 IsEmpty]: Start isEmpty. Operand 3934 states and 5485 transitions. [2021-12-16 05:02:38,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-16 05:02:38,048 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:02:38,048 INFO L514 BasicCegarLoop]: trace histogram [13, 12, 12, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:02:38,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-16 05:02:38,049 INFO L402 AbstractCegarLoop]: === Iteration 14 === 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)] === [2021-12-16 05:02:38,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:02:38,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1093611823, now seen corresponding path program 1 times [2021-12-16 05:02:38,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:02:38,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012974707] [2021-12-16 05:02:38,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:02:38,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:02:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:02:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:02:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 05:02:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 05:02:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 05:02:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-16 05:02:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-16 05:02:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-16 05:02:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:02:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-16 05:02:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-16 05:02:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 05:02:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-16 05:02:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-16 05:02:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-16 05:02:38,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 05:02:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-16 05:02:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-16 05:02:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,259 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2021-12-16 05:02:38,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:02:38,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012974707] [2021-12-16 05:02:38,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012974707] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:02:38,260 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:02:38,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 05:02:38,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243291576] [2021-12-16 05:02:38,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:02:38,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 05:02:38,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:02:38,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 05:02:38,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:02:38,262 INFO L87 Difference]: Start difference. First operand 3934 states and 5485 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-16 05:02:38,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:02:38,428 INFO L93 Difference]: Finished difference Result 3940 states and 5490 transitions. [2021-12-16 05:02:38,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 05:02:38,428 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 121 [2021-12-16 05:02:38,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:02:38,440 INFO L225 Difference]: With dead ends: 3940 [2021-12-16 05:02:38,440 INFO L226 Difference]: Without dead ends: 3938 [2021-12-16 05:02:38,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 05:02:38,442 INFO L933 BasicCegarLoop]: 5227 mSDtfsCounter, 5185 mSDsluCounter, 10431 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5188 SdHoareTripleChecker+Valid, 15658 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 05:02:38,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5188 Valid, 15658 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 05:02:38,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3938 states. [2021-12-16 05:02:38,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3938 to 3938. [2021-12-16 05:02:38,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3938 states, 2643 states have (on average 1.2406356413166857) internal successors, (3279), 2694 states have internal predecessors, (3279), 1106 states have call successors, (1106), 187 states have call predecessors, (1106), 186 states have return successors, (1103), 1094 states have call predecessors, (1103), 1103 states have call successors, (1103) [2021-12-16 05:02:38,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3938 states to 3938 states and 5488 transitions. [2021-12-16 05:02:38,593 INFO L78 Accepts]: Start accepts. Automaton has 3938 states and 5488 transitions. Word has length 121 [2021-12-16 05:02:38,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:02:38,594 INFO L470 AbstractCegarLoop]: Abstraction has 3938 states and 5488 transitions. [2021-12-16 05:02:38,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-16 05:02:38,594 INFO L276 IsEmpty]: Start isEmpty. Operand 3938 states and 5488 transitions. [2021-12-16 05:02:38,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-16 05:02:38,596 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:02:38,596 INFO L514 BasicCegarLoop]: trace histogram [14, 13, 13, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:02:38,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-16 05:02:38,596 INFO L402 AbstractCegarLoop]: === Iteration 15 === 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)] === [2021-12-16 05:02:38,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:02:38,597 INFO L85 PathProgramCache]: Analyzing trace with hash 230761579, now seen corresponding path program 1 times [2021-12-16 05:02:38,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:02:38,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938782736] [2021-12-16 05:02:38,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:02:38,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:02:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:02:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:02:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 05:02:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:38,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 05:02:38,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 05:02:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 05:02:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-16 05:02:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-16 05:02:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-16 05:02:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-16 05:02:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:02:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-16 05:02:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:02:38,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-16 05:02:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-16 05:02:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-16 05:02:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-16 05:02:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-16 05:02:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:38,813 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2021-12-16 05:02:38,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:02:38,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938782736] [2021-12-16 05:02:38,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938782736] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:02:38,813 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:02:38,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 05:02:38,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122438594] [2021-12-16 05:02:38,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:02:38,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 05:02:38,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:02:38,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 05:02:38,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:02:38,815 INFO L87 Difference]: Start difference. First operand 3938 states and 5488 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-16 05:02:38,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:02:38,988 INFO L93 Difference]: Finished difference Result 3944 states and 5493 transitions. [2021-12-16 05:02:38,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 05:02:38,988 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 113 [2021-12-16 05:02:38,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:02:39,001 INFO L225 Difference]: With dead ends: 3944 [2021-12-16 05:02:39,001 INFO L226 Difference]: Without dead ends: 3942 [2021-12-16 05:02:39,003 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 05:02:39,004 INFO L933 BasicCegarLoop]: 5227 mSDtfsCounter, 5195 mSDsluCounter, 10431 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5197 SdHoareTripleChecker+Valid, 15658 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 05:02:39,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5197 Valid, 15658 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 05:02:39,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3942 states. [2021-12-16 05:02:39,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3942 to 3942. [2021-12-16 05:02:39,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3942 states, 2646 states have (on average 1.2403628117913832) internal successors, (3282), 2697 states have internal predecessors, (3282), 1106 states have call successors, (1106), 188 states have call predecessors, (1106), 187 states have return successors, (1103), 1094 states have call predecessors, (1103), 1103 states have call successors, (1103) [2021-12-16 05:02:39,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3942 states to 3942 states and 5491 transitions. [2021-12-16 05:02:39,160 INFO L78 Accepts]: Start accepts. Automaton has 3942 states and 5491 transitions. Word has length 113 [2021-12-16 05:02:39,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:02:39,160 INFO L470 AbstractCegarLoop]: Abstraction has 3942 states and 5491 transitions. [2021-12-16 05:02:39,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-16 05:02:39,160 INFO L276 IsEmpty]: Start isEmpty. Operand 3942 states and 5491 transitions. [2021-12-16 05:02:39,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-12-16 05:02:39,162 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:02:39,162 INFO L514 BasicCegarLoop]: trace histogram [15, 14, 14, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:02:39,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-16 05:02:39,162 INFO L402 AbstractCegarLoop]: === Iteration 16 === 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)] === [2021-12-16 05:02:39,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:02:39,163 INFO L85 PathProgramCache]: Analyzing trace with hash -671192911, now seen corresponding path program 1 times [2021-12-16 05:02:39,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:02:39,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574582709] [2021-12-16 05:02:39,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:02:39,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:02:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:02:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:02:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 05:02:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 05:02:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 05:02:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-16 05:02:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-16 05:02:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-16 05:02:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-16 05:02:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-16 05:02:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-16 05:02:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 05:02:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-16 05:02:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-16 05:02:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-16 05:02:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 05:02:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-16 05:02:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-16 05:02:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-16 05:02:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-16 05:02:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,365 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2021-12-16 05:02:39,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:02:39,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574582709] [2021-12-16 05:02:39,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574582709] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:02:39,366 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:02:39,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 05:02:39,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370920224] [2021-12-16 05:02:39,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:02:39,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 05:02:39,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:02:39,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 05:02:39,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:02:39,368 INFO L87 Difference]: Start difference. First operand 3942 states and 5491 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-16 05:02:39,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:02:39,535 INFO L93 Difference]: Finished difference Result 3948 states and 5496 transitions. [2021-12-16 05:02:39,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 05:02:39,536 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 131 [2021-12-16 05:02:39,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:02:39,547 INFO L225 Difference]: With dead ends: 3948 [2021-12-16 05:02:39,547 INFO L226 Difference]: Without dead ends: 3944 [2021-12-16 05:02:39,549 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 05:02:39,549 INFO L933 BasicCegarLoop]: 5227 mSDtfsCounter, 5185 mSDsluCounter, 10431 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5186 SdHoareTripleChecker+Valid, 15658 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 05:02:39,549 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5186 Valid, 15658 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 05:02:39,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3944 states. [2021-12-16 05:02:39,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3944 to 3944. [2021-12-16 05:02:39,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3944 states, 2648 states have (on average 1.2398036253776434) internal successors, (3283), 2698 states have internal predecessors, (3283), 1106 states have call successors, (1106), 189 states have call predecessors, (1106), 187 states have return successors, (1103), 1094 states have call predecessors, (1103), 1103 states have call successors, (1103) [2021-12-16 05:02:39,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3944 states to 3944 states and 5492 transitions. [2021-12-16 05:02:39,714 INFO L78 Accepts]: Start accepts. Automaton has 3944 states and 5492 transitions. Word has length 131 [2021-12-16 05:02:39,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:02:39,715 INFO L470 AbstractCegarLoop]: Abstraction has 3944 states and 5492 transitions. [2021-12-16 05:02:39,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-16 05:02:39,715 INFO L276 IsEmpty]: Start isEmpty. Operand 3944 states and 5492 transitions. [2021-12-16 05:02:39,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-12-16 05:02:39,717 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:02:39,717 INFO L514 BasicCegarLoop]: trace histogram [16, 15, 15, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:02:39,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-16 05:02:39,717 INFO L402 AbstractCegarLoop]: === Iteration 17 === 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)] === [2021-12-16 05:02:39,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:02:39,718 INFO L85 PathProgramCache]: Analyzing trace with hash -854270517, now seen corresponding path program 1 times [2021-12-16 05:02:39,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:02:39,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460262063] [2021-12-16 05:02:39,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:02:39,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:02:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:02:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:02:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 05:02:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 05:02:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 05:02:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 05:02:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-16 05:02:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-16 05:02:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-16 05:02:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-16 05:02:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:02:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-16 05:02:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 05:02:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-16 05:02:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-16 05:02:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-16 05:02:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-16 05:02:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-16 05:02:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-16 05:02:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 05:02:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:39,932 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2021-12-16 05:02:39,932 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:02:39,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460262063] [2021-12-16 05:02:39,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460262063] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:02:39,932 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:02:39,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 05:02:39,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144748503] [2021-12-16 05:02:39,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:02:39,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 05:02:39,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:02:39,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 05:02:39,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:02:39,934 INFO L87 Difference]: Start difference. First operand 3944 states and 5492 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-16 05:02:40,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:02:40,364 INFO L93 Difference]: Finished difference Result 7860 states and 10945 transitions. [2021-12-16 05:02:40,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 05:02:40,365 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 123 [2021-12-16 05:02:40,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:02:40,400 INFO L225 Difference]: With dead ends: 7860 [2021-12-16 05:02:40,400 INFO L226 Difference]: Without dead ends: 7760 [2021-12-16 05:02:40,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 05:02:40,407 INFO L933 BasicCegarLoop]: 6566 mSDtfsCounter, 5194 mSDsluCounter, 18293 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5194 SdHoareTripleChecker+Valid, 24859 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 05:02:40,408 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5194 Valid, 24859 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 05:02:40,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7760 states. [2021-12-16 05:02:40,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7760 to 7755. [2021-12-16 05:02:40,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7755 states, 5212 states have (on average 1.2427091327705295) internal successors, (6477), 5312 states have internal predecessors, (6477), 2182 states have call successors, (2182), 361 states have call predecessors, (2182), 358 states have return successors, (2178), 2156 states have call predecessors, (2178), 2178 states have call successors, (2178) [2021-12-16 05:02:40,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7755 states to 7755 states and 10837 transitions. [2021-12-16 05:02:40,805 INFO L78 Accepts]: Start accepts. Automaton has 7755 states and 10837 transitions. Word has length 123 [2021-12-16 05:02:40,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:02:40,805 INFO L470 AbstractCegarLoop]: Abstraction has 7755 states and 10837 transitions. [2021-12-16 05:02:40,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-16 05:02:40,806 INFO L276 IsEmpty]: Start isEmpty. Operand 7755 states and 10837 transitions. [2021-12-16 05:02:40,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-12-16 05:02:40,810 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:02:40,810 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:02:40,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-16 05:02:40,810 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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)] === [2021-12-16 05:02:40,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:02:40,811 INFO L85 PathProgramCache]: Analyzing trace with hash -309184360, now seen corresponding path program 1 times [2021-12-16 05:02:40,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:02:40,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644473650] [2021-12-16 05:02:40,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:02:40,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:02:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:40,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:02:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:40,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:02:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:40,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 05:02:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:40,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:40,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 05:02:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:40,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 05:02:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:40,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-16 05:02:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:40,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-16 05:02:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:40,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:40,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:02:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:40,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:02:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:40,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-16 05:02:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:40,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 05:02:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:40,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:40,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:02:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:40,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:02:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:40,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-16 05:02:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:40,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:40,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:02:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:40,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:02:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:40,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-16 05:02:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:40,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-16 05:02:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:41,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-16 05:02:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:41,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-16 05:02:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:41,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-16 05:02:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:41,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-16 05:02:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:41,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:41,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 05:02:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:41,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:41,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:41,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 05:02:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:41,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 05:02:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:41,076 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-12-16 05:02:41,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:02:41,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644473650] [2021-12-16 05:02:41,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644473650] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:02:41,077 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:02:41,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 05:02:41,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970224077] [2021-12-16 05:02:41,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:02:41,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 05:02:41,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:02:41,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 05:02:41,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:02:41,078 INFO L87 Difference]: Start difference. First operand 7755 states and 10837 transitions. Second operand has 5 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (29), 4 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-16 05:02:47,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:02:47,694 INFO L93 Difference]: Finished difference Result 16231 states and 23172 transitions. [2021-12-16 05:02:47,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 05:02:47,695 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (29), 4 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 211 [2021-12-16 05:02:47,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:02:47,735 INFO L225 Difference]: With dead ends: 16231 [2021-12-16 05:02:47,735 INFO L226 Difference]: Without dead ends: 8495 [2021-12-16 05:02:47,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-16 05:02:47,771 INFO L933 BasicCegarLoop]: 4688 mSDtfsCounter, 3011 mSDsluCounter, 6434 mSDsCounter, 0 mSdLazyCounter, 4635 mSolverCounterSat, 2999 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3291 SdHoareTripleChecker+Valid, 11122 SdHoareTripleChecker+Invalid, 7634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2999 IncrementalHoareTripleChecker+Valid, 4635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-12-16 05:02:47,771 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3291 Valid, 11122 Invalid, 7634 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2999 Valid, 4635 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2021-12-16 05:02:47,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8495 states. [2021-12-16 05:02:48,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8495 to 7759. [2021-12-16 05:02:48,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7759 states, 5216 states have (on average 1.2425230061349692) internal successors, (6481), 5316 states have internal predecessors, (6481), 2182 states have call successors, (2182), 361 states have call predecessors, (2182), 358 states have return successors, (2178), 2156 states have call predecessors, (2178), 2178 states have call successors, (2178) [2021-12-16 05:02:48,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7759 states to 7759 states and 10841 transitions. [2021-12-16 05:02:48,293 INFO L78 Accepts]: Start accepts. Automaton has 7759 states and 10841 transitions. Word has length 211 [2021-12-16 05:02:48,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:02:48,293 INFO L470 AbstractCegarLoop]: Abstraction has 7759 states and 10841 transitions. [2021-12-16 05:02:48,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (29), 4 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-16 05:02:48,294 INFO L276 IsEmpty]: Start isEmpty. Operand 7759 states and 10841 transitions. [2021-12-16 05:02:48,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-12-16 05:02:48,298 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:02:48,298 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:02:48,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-16 05:02:48,299 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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)] === [2021-12-16 05:02:48,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:02:48,299 INFO L85 PathProgramCache]: Analyzing trace with hash -54111651, now seen corresponding path program 1 times [2021-12-16 05:02:48,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:02:48,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274311735] [2021-12-16 05:02:48,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:02:48,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:02:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:02:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:02:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 05:02:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 05:02:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 05:02:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-16 05:02:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-16 05:02:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:02:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:02:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-16 05:02:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 05:02:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:02:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:02:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-16 05:02:48,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:02:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:02:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-16 05:02:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-16 05:02:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-16 05:02:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-16 05:02:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-16 05:02:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-16 05:02:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 05:02:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 05:02:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 05:02:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:02:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 05:02:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:48,610 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-12-16 05:02:48,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:02:48,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274311735] [2021-12-16 05:02:48,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274311735] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:02:48,611 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:02:48,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 05:02:48,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635157792] [2021-12-16 05:02:48,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:02:48,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 05:02:48,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:02:48,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 05:02:48,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:02:48,614 INFO L87 Difference]: Start difference. First operand 7759 states and 10841 transitions. Second operand has 5 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (31), 4 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-16 05:02:55,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:02:55,478 INFO L93 Difference]: Finished difference Result 16183 states and 22998 transitions. [2021-12-16 05:02:55,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 05:02:55,479 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (31), 4 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 224 [2021-12-16 05:02:55,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:02:55,512 INFO L225 Difference]: With dead ends: 16183 [2021-12-16 05:02:55,512 INFO L226 Difference]: Without dead ends: 8443 [2021-12-16 05:02:55,545 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-16 05:02:55,545 INFO L933 BasicCegarLoop]: 4689 mSDtfsCounter, 2981 mSDsluCounter, 6433 mSDsCounter, 0 mSdLazyCounter, 4628 mSolverCounterSat, 2968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3261 SdHoareTripleChecker+Valid, 11122 SdHoareTripleChecker+Invalid, 7596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2968 IncrementalHoareTripleChecker+Valid, 4628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2021-12-16 05:02:55,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3261 Valid, 11122 Invalid, 7596 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2968 Valid, 4628 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2021-12-16 05:02:55,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8443 states. [2021-12-16 05:02:55,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8443 to 7763. [2021-12-16 05:02:56,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7763 states, 5220 states have (on average 1.2423371647509578) internal successors, (6485), 5320 states have internal predecessors, (6485), 2182 states have call successors, (2182), 361 states have call predecessors, (2182), 358 states have return successors, (2178), 2156 states have call predecessors, (2178), 2178 states have call successors, (2178) [2021-12-16 05:02:56,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7763 states to 7763 states and 10845 transitions. [2021-12-16 05:02:56,036 INFO L78 Accepts]: Start accepts. Automaton has 7763 states and 10845 transitions. Word has length 224 [2021-12-16 05:02:56,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:02:56,037 INFO L470 AbstractCegarLoop]: Abstraction has 7763 states and 10845 transitions. [2021-12-16 05:02:56,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (31), 4 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-16 05:02:56,037 INFO L276 IsEmpty]: Start isEmpty. Operand 7763 states and 10845 transitions. [2021-12-16 05:02:56,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-12-16 05:02:56,043 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:02:56,043 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:02:56,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-16 05:02:56,044 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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)] === [2021-12-16 05:02:56,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:02:56,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1859549985, now seen corresponding path program 1 times [2021-12-16 05:02:56,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:02:56,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486486274] [2021-12-16 05:02:56,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:02:56,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:02:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:02:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:02:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 05:02:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 05:02:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 05:02:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-16 05:02:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-16 05:02:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:02:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:02:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-16 05:02:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-16 05:02:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:02:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:02:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-16 05:02:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:02:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:02:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-16 05:02:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-16 05:02:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-16 05:02:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-16 05:02:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-16 05:02:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-16 05:02:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 05:02:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:02:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 05:02:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 05:02:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:02:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 05:02:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:02:56,349 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-12-16 05:02:56,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:02:56,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486486274] [2021-12-16 05:02:56,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486486274] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:02:56,350 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:02:56,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 05:02:56,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169373650] [2021-12-16 05:02:56,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:02:56,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 05:02:56,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:02:56,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 05:02:56,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 05:02:56,351 INFO L87 Difference]: Start difference. First operand 7763 states and 10845 transitions. Second operand has 7 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 3 states have call successors, (31), 5 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-16 05:03:03,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:03:03,671 INFO L93 Difference]: Finished difference Result 8437 states and 11944 transitions. [2021-12-16 05:03:03,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-16 05:03:03,673 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 3 states have call successors, (31), 5 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 3 states have call successors, (28) Word has length 224 [2021-12-16 05:03:03,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:03:03,738 INFO L225 Difference]: With dead ends: 8437 [2021-12-16 05:03:03,751 INFO L226 Difference]: Without dead ends: 8151 [2021-12-16 05:03:03,759 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-12-16 05:03:03,765 INFO L933 BasicCegarLoop]: 4750 mSDtfsCounter, 3384 mSDsluCounter, 11857 mSDsCounter, 0 mSdLazyCounter, 10029 mSolverCounterSat, 3144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3676 SdHoareTripleChecker+Valid, 16607 SdHoareTripleChecker+Invalid, 13173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3144 IncrementalHoareTripleChecker+Valid, 10029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2021-12-16 05:03:03,765 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3676 Valid, 16607 Invalid, 13173 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3144 Valid, 10029 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2021-12-16 05:03:03,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8151 states. [2021-12-16 05:03:04,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8151 to 7497. [2021-12-16 05:03:04,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7497 states, 5035 states have (on average 1.2399205561072493) internal successors, (6243), 5123 states have internal predecessors, (6243), 2104 states have call successors, (2104), 358 states have call predecessors, (2104), 355 states have return successors, (2101), 2084 states have call predecessors, (2101), 2101 states have call successors, (2101) [2021-12-16 05:03:04,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7497 states to 7497 states and 10448 transitions. [2021-12-16 05:03:04,184 INFO L78 Accepts]: Start accepts. Automaton has 7497 states and 10448 transitions. Word has length 224 [2021-12-16 05:03:04,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:03:04,184 INFO L470 AbstractCegarLoop]: Abstraction has 7497 states and 10448 transitions. [2021-12-16 05:03:04,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 3 states have call successors, (31), 5 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-16 05:03:04,185 INFO L276 IsEmpty]: Start isEmpty. Operand 7497 states and 10448 transitions. [2021-12-16 05:03:04,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1153 [2021-12-16 05:03:04,218 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:03:04,219 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 23, 23, 20, 20, 13, 13, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:03:04,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-16 05:03:04,219 INFO L402 AbstractCegarLoop]: === Iteration 21 === 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)] === [2021-12-16 05:03:04,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:03:04,220 INFO L85 PathProgramCache]: Analyzing trace with hash -226951185, now seen corresponding path program 1 times [2021-12-16 05:03:04,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:03:04,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399728738] [2021-12-16 05:03:04,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:03:04,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:03:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:03:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 05:03:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-16 05:03:04,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:03:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:03:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 05:03:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:03:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:03:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-16 05:03:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:03:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:03:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:03:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-16 05:03:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 05:03:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-16 05:03:04,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-16 05:03:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-16 05:03:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:03:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:03:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-16 05:03:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-16 05:03:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-16 05:03:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:04,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-16 05:03:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-16 05:03:04,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-16 05:03:04,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-16 05:03:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-16 05:03:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 05:03:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 05:03:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 05:03:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 05:03:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-16 05:03:04,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:03:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-16 05:03:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-16 05:03:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-16 05:03:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-16 05:03:04,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-16 05:03:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-16 05:03:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:03:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-16 05:03:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-16 05:03:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 05:03:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-16 05:03:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 05:03:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:03:04,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-16 05:03:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:04,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-16 05:03:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 05:03:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-16 05:03:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 05:03:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 05:03:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:03:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 05:03:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 05:03:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 05:03:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 05:03:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 05:03:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:03:05,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 05:03:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 05:03:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-16 05:03:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 05:03:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 05:03:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:03:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 05:03:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 05:03:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-16 05:03:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 05:03:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 05:03:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:03:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 05:03:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 05:03:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-16 05:03:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 05:03:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 05:03:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:03:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 05:03:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 05:03:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-12-16 05:03:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 05:03:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 05:03:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:03:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 05:03:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 05:03:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-16 05:03:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 05:03:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 05:03:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:03:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 05:03:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 794 [2021-12-16 05:03:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 05:03:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 05:03:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 05:03:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 05:03:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-16 05:03:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-16 05:03:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-16 05:03:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:03:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-16 05:03:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:03:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-16 05:03:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-16 05:03:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-16 05:03:05,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 05:03:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-16 05:03:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:03:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 897 [2021-12-16 05:03:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 05:03:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 05:03:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:03:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 05:03:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 953 [2021-12-16 05:03:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-16 05:03:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 05:03:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-16 05:03:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:03:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-16 05:03:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-16 05:03:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2021-12-16 05:03:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1014 [2021-12-16 05:03:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1022 [2021-12-16 05:03:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:03:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1042 [2021-12-16 05:03:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1048 [2021-12-16 05:03:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1054 [2021-12-16 05:03:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:03:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1071 [2021-12-16 05:03:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1077 [2021-12-16 05:03:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1083 [2021-12-16 05:03:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:03:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:03:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1105 [2021-12-16 05:03:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1118 [2021-12-16 05:03:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1123 [2021-12-16 05:03:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1129 [2021-12-16 05:03:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1134 [2021-12-16 05:03:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:03:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:03:05,705 INFO L134 CoverageAnalysis]: Checked inductivity of 3856 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3856 trivial. 0 not checked. [2021-12-16 05:03:05,705 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:03:05,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399728738] [2021-12-16 05:03:05,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399728738] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:03:05,706 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:03:05,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-16 05:03:05,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112674949] [2021-12-16 05:03:05,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:03:05,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-16 05:03:05,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:03:05,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-16 05:03:05,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-16 05:03:05,708 INFO L87 Difference]: Start difference. First operand 7497 states and 10448 transitions. Second operand has 9 states, 9 states have (on average 40.77777777777778) internal successors, (367), 4 states have internal predecessors, (367), 2 states have call successors, (117), 7 states have call predecessors, (117), 1 states have return successors, (116), 2 states have call predecessors, (116), 2 states have call successors, (116)