./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-broadcom-bnx2.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-broadcom-bnx2.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 ded9a504a1f021ee39d24f2dc9453e9d2f58c18dc67195089c039613b2b61e04 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 12:30:57,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 12:30:57,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 12:30:57,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 12:30:57,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 12:30:57,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 12:30:57,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 12:30:57,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 12:30:57,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 12:30:57,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 12:30:57,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 12:30:57,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 12:30:57,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 12:30:57,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 12:30:57,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 12:30:57,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 12:30:57,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 12:30:57,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 12:30:57,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 12:30:57,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 12:30:57,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 12:30:57,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 12:30:57,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 12:30:57,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 12:30:57,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 12:30:57,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 12:30:57,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 12:30:57,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 12:30:57,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 12:30:57,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 12:30:57,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 12:30:57,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 12:30:57,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 12:30:57,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 12:30:57,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 12:30:57,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 12:30:57,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 12:30:57,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 12:30:57,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 12:30:57,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 12:30:57,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 12:30:57,656 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 12:30:57,686 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 12:30:57,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 12:30:57,687 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 12:30:57,688 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 12:30:57,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 12:30:57,689 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 12:30:57,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 12:30:57,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 12:30:57,690 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 12:30:57,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 12:30:57,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 12:30:57,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 12:30:57,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 12:30:57,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 12:30:57,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 12:30:57,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 12:30:57,692 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 12:30:57,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 12:30:57,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 12:30:57,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 12:30:57,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 12:30:57,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 12:30:57,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 12:30:57,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 12:30:57,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 12:30:57,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 12:30:57,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 12:30:57,694 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 12:30:57,694 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 12:30:57,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 12:30:57,695 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 12:30:57,695 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ded9a504a1f021ee39d24f2dc9453e9d2f58c18dc67195089c039613b2b61e04 [2021-12-18 12:30:57,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 12:30:57,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 12:30:57,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 12:30:57,963 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 12:30:57,964 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 12:30:57,965 INFO L432 ainManager$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-broadcom-bnx2.cil.i [2021-12-18 12:30:58,021 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbc457356/066f1b907649491c9eaa411932774830/FLAGa49bd82c6 [2021-12-18 12:30:58,931 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 12:30:58,931 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-broadcom-bnx2.cil.i [2021-12-18 12:30:59,009 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbc457356/066f1b907649491c9eaa411932774830/FLAGa49bd82c6 [2021-12-18 12:30:59,327 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbc457356/066f1b907649491c9eaa411932774830 [2021-12-18 12:30:59,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 12:30:59,332 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 12:30:59,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 12:30:59,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 12:30:59,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 12:30:59,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 12:30:59" (1/1) ... [2021-12-18 12:30:59,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa7ff58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:30:59, skipping insertion in model container [2021-12-18 12:30:59,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 12:30:59" (1/1) ... [2021-12-18 12:30:59,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 12:30:59,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 12:31:08,708 WARN L230 ndardFunctionHandler]: Function 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-broadcom-bnx2.cil.i[694098,694111] [2021-12-18 12:31:08,710 WARN L230 ndardFunctionHandler]: Function 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-broadcom-bnx2.cil.i[694267,694280] [2021-12-18 12:31:08,711 WARN L230 ndardFunctionHandler]: Function 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-broadcom-bnx2.cil.i[694434,694447] [2021-12-18 12:31:08,711 WARN L230 ndardFunctionHandler]: Function 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-broadcom-bnx2.cil.i[694602,694615] [2021-12-18 12:31:08,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 12:31:08,843 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 12:31:09,335 WARN L230 ndardFunctionHandler]: Function 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-broadcom-bnx2.cil.i[694098,694111] [2021-12-18 12:31:09,336 WARN L230 ndardFunctionHandler]: Function 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-broadcom-bnx2.cil.i[694267,694280] [2021-12-18 12:31:09,337 WARN L230 ndardFunctionHandler]: Function 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-broadcom-bnx2.cil.i[694434,694447] [2021-12-18 12:31:09,337 WARN L230 ndardFunctionHandler]: Function 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-broadcom-bnx2.cil.i[694602,694615] [2021-12-18 12:31:09,344 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 12:31:09,713 INFO L208 MainTranslator]: Completed translation [2021-12-18 12:31:09,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:31:09 WrapperNode [2021-12-18 12:31:09,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 12:31:09,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 12:31:09,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 12:31:09,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 12:31:09,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:31:09" (1/1) ... [2021-12-18 12:31:09,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:31:09" (1/1) ... [2021-12-18 12:31:10,370 INFO L137 Inliner]: procedures = 831, calls = 8638, calls flagged for inlining = 381, calls inlined = 326, statements flattened = 16683 [2021-12-18 12:31:10,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 12:31:10,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 12:31:10,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 12:31:10,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 12:31:10,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:31:09" (1/1) ... [2021-12-18 12:31:10,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:31:09" (1/1) ... [2021-12-18 12:31:10,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:31:09" (1/1) ... [2021-12-18 12:31:10,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:31:09" (1/1) ... [2021-12-18 12:31:10,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:31:09" (1/1) ... [2021-12-18 12:31:11,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:31:09" (1/1) ... [2021-12-18 12:31:11,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:31:09" (1/1) ... [2021-12-18 12:31:11,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 12:31:11,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 12:31:11,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 12:31:11,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 12:31:11,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:31:09" (1/1) ... [2021-12-18 12:31:11,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 12:31:11,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 12:31:11,410 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) [2021-12-18 12:31:11,433 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 [2021-12-18 12:31:11,460 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resolve_flow_ctrl [2021-12-18 12:31:11,461 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resolve_flow_ctrl [2021-12-18 12:31:11,461 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-12-18 12:31:11,461 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-12-18 12:31:11,461 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-18 12:31:11,462 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-18 12:31:11,462 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read_dword [2021-12-18 12:31:11,462 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read_dword [2021-12-18 12:31:11,462 INFO L130 BoogieDeclarations]: Found specification of procedure get_l2_fhdr [2021-12-18 12:31:11,462 INFO L138 BoogieDeclarations]: Found implementation of procedure get_l2_fhdr [2021-12-18 12:31:11,462 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_stop [2021-12-18 12:31:11,462 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_stop [2021-12-18 12:31:11,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_116 [2021-12-18 12:31:11,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_116 [2021-12-18 12:31:11,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 12:31:11,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 12:31:11,463 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rx_context [2021-12-18 12:31:11,463 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rx_context [2021-12-18 12:31:11,464 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 12:31:11,464 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 12:31:11,464 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 12:31:11,464 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 12:31:11,464 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resume [2021-12-18 12:31:11,464 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resume [2021-12-18 12:31:11,465 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-12-18 12:31:11,465 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-12-18 12:31:11,465 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-18 12:31:11,465 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-18 12:31:11,465 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_data [2021-12-18 12:31:11,465 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_data [2021-12-18 12:31:11,465 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_phy [2021-12-18 12:31:11,466 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_phy [2021-12-18 12:31:11,466 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-18 12:31:11,466 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 12:31:11,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 12:31:11,467 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 12:31:11,467 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 12:31:11,467 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_napi [2021-12-18 12:31:11,467 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_napi [2021-12-18 12:31:11,467 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_read_phy [2021-12-18 12:31:11,467 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_read_phy [2021-12-18 12:31:11,468 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-18 12:31:11,468 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-18 12:31:11,468 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 12:31:11,469 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 12:31:11,469 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 12:31:11,469 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 12:31:11,469 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-18 12:31:11,469 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-18 12:31:11,470 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-18 12:31:11,470 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-18 12:31:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-12-18 12:31:11,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-12-18 12:31:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_mode [2021-12-18 12:31:11,472 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_mode [2021-12-18 12:31:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 12:31:11,472 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 12:31:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_wol [2021-12-18 12:31:11,472 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_wol [2021-12-18 12:31:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 12:31:11,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 12:31:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_nic [2021-12-18 12:31:11,473 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_nic [2021-12-18 12:31:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 12:31:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-12-18 12:31:11,473 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-12-18 12:31:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_indirect_lock_of_bnx2 [2021-12-18 12:31:11,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_indirect_lock_of_bnx2 [2021-12-18 12:31:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_channels [2021-12-18 12:31:11,475 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_channels [2021-12-18 12:31:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure __bnx2_free_irq [2021-12-18 12:31:11,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __bnx2_free_irq [2021-12-18 12:31:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-18 12:31:11,475 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-18 12:31:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 12:31:11,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 12:31:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-12-18 12:31:11,476 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-12-18 12:31:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-18 12:31:11,476 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-18 12:31:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_open [2021-12-18 12:31:11,476 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_open [2021-12-18 12:31:11,477 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_chip [2021-12-18 12:31:11,477 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_chip [2021-12-18 12:31:11,477 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_settings [2021-12-18 12:31:11,478 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_settings [2021-12-18 12:31:11,478 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 12:31:11,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 12:31:11,478 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-12-18 12:31:11,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-12-18 12:31:11,479 INFO L130 BoogieDeclarations]: Found specification of procedure check_mips_fw_entry [2021-12-18 12:31:11,479 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mips_fw_entry [2021-12-18 12:31:11,479 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_start [2021-12-18 12:31:11,479 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_start [2021-12-18 12:31:11,480 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_rd [2021-12-18 12:31:11,480 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_rd [2021-12-18 12:31:11,480 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_link [2021-12-18 12:31:11,480 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_link [2021-12-18 12:31:11,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 12:31:11,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 12:31:11,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 12:31:11,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-12-18 12:31:11,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-12-18 12:31:11,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-18 12:31:11,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-18 12:31:11,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 12:31:11,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_indirect_lock_of_bnx2 [2021-12-18 12:31:11,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_indirect_lock_of_bnx2 [2021-12-18 12:31:11,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 12:31:11,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 12:31:11,483 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 12:31:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 12:31:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 12:31:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-18 12:31:11,500 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-18 12:31:11,500 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 12:31:11,500 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_pauseparam [2021-12-18 12:31:11,501 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_pauseparam [2021-12-18 12:31:11,502 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-18 12:31:11,502 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-18 12:31:11,502 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_one [2021-12-18 12:31:11,502 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_one [2021-12-18 12:31:11,508 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-18 12:31:11,508 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-18 12:31:11,508 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-18 12:31:11,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-18 12:31:11,509 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2021-12-18 12:31:11,509 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2021-12-18 12:31:11,509 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remove_one [2021-12-18 12:31:11,509 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remove_one [2021-12-18 12:31:11,509 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 12:31:11,509 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 12:31:11,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-18 12:31:11,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-18 12:31:11,510 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2021-12-18 12:31:11,510 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2021-12-18 12:31:11,510 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_access [2021-12-18 12:31:11,510 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_access [2021-12-18 12:31:11,510 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-18 12:31:11,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-18 12:31:11,511 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 12:31:11,511 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 12:31:11,511 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-12-18 12:31:11,511 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-12-18 12:31:11,511 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_run_loopback [2021-12-18 12:31:11,511 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_run_loopback [2021-12-18 12:31:11,511 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_disable [2021-12-18 12:31:11,511 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_disable [2021-12-18 12:31:11,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 12:31:11,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 12:31:11,512 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-18 12:31:11,512 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-18 12:31:11,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 12:31:11,512 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 12:31:11,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 12:31:11,513 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-18 12:31:11,513 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-18 12:31:11,513 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_int [2021-12-18 12:31:11,513 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_int [2021-12-18 12:31:11,513 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 12:31:11,513 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 12:31:11,513 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-18 12:31:11,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 12:31:11,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 12:31:11,514 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 12:31:11,514 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 12:31:11,514 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_nvram_access [2021-12-18 12:31:11,514 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_nvram_access [2021-12-18 12:31:11,514 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_mem [2021-12-18 12:31:11,514 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_mem [2021-12-18 12:31:11,515 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-18 12:31:11,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-18 12:31:11,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 12:31:11,515 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 12:31:11,515 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_nvram_lock [2021-12-18 12:31:11,515 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_nvram_lock [2021-12-18 12:31:11,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-18 12:31:11,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-18 12:31:11,516 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-12-18 12:31:11,516 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-12-18 12:31:11,516 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-18 12:31:11,516 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-18 12:31:11,516 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_avail [2021-12-18 12:31:11,516 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_avail [2021-12-18 12:31:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-18 12:31:11,517 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-18 12:31:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 12:31:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_phy [2021-12-18 12:31:11,517 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_phy [2021-12-18 12:31:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nvram [2021-12-18 12:31:11,517 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nvram [2021-12-18 12:31:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 12:31:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_remote_link [2021-12-18 12:31:11,518 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_remote_link [2021-12-18 12:31:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_resume [2021-12-18 12:31:11,518 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_resume [2021-12-18 12:31:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_write_phy [2021-12-18 12:31:11,518 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_write_phy [2021-12-18 12:31:11,518 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 12:31:11,519 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 12:31:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-18 12:31:11,519 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-18 12:31:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 12:31:11,519 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 12:31:11,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_phy_lock_of_bnx2 [2021-12-18 12:31:11,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_phy_lock_of_bnx2 [2021-12-18 12:31:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_phy_get_pause_adv [2021-12-18 12:31:11,520 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_phy_get_pause_adv [2021-12-18 12:31:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remote_phy_event [2021-12-18 12:31:11,520 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remote_phy_event [2021-12-18 12:31:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 12:31:11,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 12:31:11,520 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-12-18 12:31:11,520 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-12-18 12:31:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-18 12:31:11,521 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-18 12:31:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_85 [2021-12-18 12:31:11,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_85 [2021-12-18 12:31:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-18 12:31:11,521 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-18 12:31:11,521 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_cnic_irq_info [2021-12-18 12:31:11,522 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_cnic_irq_info [2021-12-18 12:31:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 12:31:11,522 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 12:31:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2021-12-18 12:31:11,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2021-12-18 12:31:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_suspend [2021-12-18 12:31:11,522 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_suspend [2021-12-18 12:31:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mtu [2021-12-18 12:31:11,523 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mtu [2021-12-18 12:31:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 12:31:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_ringparam [2021-12-18 12:31:11,523 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_ringparam [2021-12-18 12:31:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 12:31:11,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 12:31:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2021-12-18 12:31:11,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2021-12-18 12:31:11,524 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_send_heart_beat [2021-12-18 12:31:11,524 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_send_heart_beat [2021-12-18 12:31:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_eeprom_len [2021-12-18 12:31:11,528 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_eeprom_len [2021-12-18 12:31:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_99 [2021-12-18 12:31:11,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_99 [2021-12-18 12:31:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-18 12:31:11,528 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-18 12:31:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_firmware [2021-12-18 12:31:11,529 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_firmware [2021-12-18 12:31:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-18 12:31:11,529 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-18 12:31:11,530 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_regs_len [2021-12-18 12:31:11,530 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_regs_len [2021-12-18 12:31:11,530 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_close [2021-12-18 12:31:11,531 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_close [2021-12-18 12:31:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 12:31:11,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 12:31:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_coalesce [2021-12-18 12:31:11,531 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_coalesce [2021-12-18 12:31:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-18 12:31:11,531 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-18 12:31:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-18 12:31:11,532 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-18 12:31:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-18 12:31:11,532 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-18 12:31:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_ring_size [2021-12-18 12:31:11,532 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_ring_size [2021-12-18 12:31:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-18 12:31:11,533 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-18 12:31:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure load_rv2p_fw [2021-12-18 12:31:11,533 INFO L138 BoogieDeclarations]: Found implementation of procedure load_rv2p_fw [2021-12-18 12:31:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_bmsr1 [2021-12-18 12:31:11,533 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_bmsr1 [2021-12-18 12:31:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-12-18 12:31:11,533 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-12-18 12:31:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int [2021-12-18 12:31:11,534 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int [2021-12-18 12:31:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-18 12:31:11,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-18 12:31:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 12:31:11,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 12:31:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rxbd_rings [2021-12-18 12:31:11,534 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rxbd_rings [2021-12-18 12:31:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-18 12:31:11,535 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-18 12:31:11,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 12:31:11,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 12:31:11,535 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_start [2021-12-18 12:31:11,535 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_start [2021-12-18 12:31:11,535 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_int_mode [2021-12-18 12:31:11,535 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_int_mode [2021-12-18 12:31:11,535 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-18 12:31:11,536 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-18 12:31:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_bmsr1 [2021-12-18 12:31:11,536 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_bmsr1 [2021-12-18 12:31:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_11_4 [2021-12-18 12:31:11,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_11_4 [2021-12-18 12:31:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_forced_2g5 [2021-12-18 12:31:11,536 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_forced_2g5 [2021-12-18 12:31:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-18 12:31:11,537 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-18 12:31:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_xceiver_str [2021-12-18 12:31:11,537 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_xceiver_str [2021-12-18 12:31:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-18 12:31:11,537 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-18 12:31:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ctx_wr [2021-12-18 12:31:11,537 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ctx_wr [2021-12-18 12:31:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2021-12-18 12:31:11,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2021-12-18 12:31:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 12:31:11,538 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 12:31:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_remote_phy [2021-12-18 12:31:11,538 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_remote_phy [2021-12-18 12:31:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-12-18 12:31:11,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-12-18 12:31:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 12:31:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 12:31:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 12:31:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 12:31:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 12:31:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 12:31:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 12:31:11,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 12:31:11,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2021-12-18 12:31:11,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2021-12-18 12:31:11,540 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-18 12:31:11,540 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-18 12:31:11,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 12:31:11,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-18 12:31:11,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-18 12:31:11,541 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-18 12:31:11,541 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-18 12:31:11,541 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_request_irq [2021-12-18 12:31:11,541 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_request_irq [2021-12-18 12:31:11,541 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_wr_ind [2021-12-18 12:31:11,541 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_wr_ind [2021-12-18 12:31:11,541 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 12:31:11,541 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 12:31:11,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 12:31:11,542 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_intr [2021-12-18 12:31:11,542 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_intr [2021-12-18 12:31:11,542 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nic [2021-12-18 12:31:11,542 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nic [2021-12-18 12:31:11,542 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 12:31:11,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 12:31:11,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 12:31:11,543 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_addr [2021-12-18 12:31:11,543 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_addr [2021-12-18 12:31:11,543 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2021-12-18 12:31:11,543 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2021-12-18 12:31:11,543 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_msi [2021-12-18 12:31:11,543 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_msi [2021-12-18 12:31:11,543 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 12:31:11,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 12:31:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2021-12-18 12:31:11,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2021-12-18 12:31:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 12:31:11,544 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 12:31:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_skbs [2021-12-18 12:31:11,544 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_skbs [2021-12-18 12:31:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_86 [2021-12-18 12:31:11,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_86 [2021-12-18 12:31:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 12:31:11,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 12:31:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_and_enable_2g5 [2021-12-18 12:31:11,545 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_and_enable_2g5 [2021-12-18 12:31:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 12:31:11,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 12:31:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_59 [2021-12-18 12:31:11,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_59 [2021-12-18 12:31:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_self_test [2021-12-18 12:31:11,546 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_self_test [2021-12-18 12:31:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2021-12-18 12:31:11,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2021-12-18 12:31:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_msix_tbl [2021-12-18 12:31:11,546 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_msix_tbl [2021-12-18 12:31:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int_sync [2021-12-18 12:31:11,547 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int_sync [2021-12-18 12:31:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_del_napi [2021-12-18 12:31:11,547 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_del_napi [2021-12-18 12:31:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-18 12:31:11,547 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-18 12:31:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_timer [2021-12-18 12:31:11,547 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_timer [2021-12-18 12:31:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-18 12:31:11,548 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-18 12:31:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_enable [2021-12-18 12:31:11,548 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_enable [2021-12-18 12:31:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_29 [2021-12-18 12:31:11,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_29 [2021-12-18 12:31:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_wol [2021-12-18 12:31:11,548 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_wol [2021-12-18 12:31:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 12:31:11,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 12:31:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 12:31:11,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 12:31:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_timeout [2021-12-18 12:31:11,549 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_timeout [2021-12-18 12:31:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2021-12-18 12:31:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2021-12-18 12:31:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_acquire_nvram_lock [2021-12-18 12:31:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_acquire_nvram_lock [2021-12-18 12:31:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-18 12:31:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-18 12:31:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_53 [2021-12-18 12:31:11,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_53 [2021-12-18 12:31:11,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_52 [2021-12-18 12:31:11,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_52 [2021-12-18 12:31:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-18 12:31:11,551 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-18 12:31:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_49 [2021-12-18 12:31:11,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_49 [2021-12-18 12:31:11,551 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-12-18 12:31:11,551 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-12-18 12:31:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-18 12:31:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-18 12:31:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-18 12:31:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-18 12:31:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure check_fw_section [2021-12-18 12:31:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fw_section [2021-12-18 12:31:11,552 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_settings [2021-12-18 12:31:11,552 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_settings [2021-12-18 12:31:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_40 [2021-12-18 12:31:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_40 [2021-12-18 12:31:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-18 12:31:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-18 12:31:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-18 12:31:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-18 12:31:11,553 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-18 12:31:11,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-18 12:31:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_write_dword [2021-12-18 12:31:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_write_dword [2021-12-18 12:31:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 12:31:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 12:31:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 12:31:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_link [2021-12-18 12:31:11,554 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_link [2021-12-18 12:31:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 12:31:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 12:31:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-18 12:31:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-18 12:31:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-18 12:31:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-18 12:31:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_phy_lock_of_bnx2 [2021-12-18 12:31:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_phy_lock_of_bnx2 [2021-12-18 12:31:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-18 12:31:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-18 12:31:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nway_reset [2021-12-18 12:31:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nway_reset [2021-12-18 12:31:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_work [2021-12-18 12:31:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_work [2021-12-18 12:31:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_fast_work [2021-12-18 12:31:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_fast_work [2021-12-18 12:31:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-18 12:31:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-18 12:31:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_link [2021-12-18 12:31:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_link [2021-12-18 12:31:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 12:31:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 12:31:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_report_link [2021-12-18 12:31:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_report_link [2021-12-18 12:31:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_phy [2021-12-18 12:31:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_phy [2021-12-18 12:31:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-18 12:31:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-18 12:31:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_rx_cons [2021-12-18 12:31:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_rx_cons [2021-12-18 12:31:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 12:31:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 12:31:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_ring_size [2021-12-18 12:31:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_ring_size [2021-12-18 12:31:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_power_state [2021-12-18 12:31:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_power_state [2021-12-18 12:31:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure load_cpu_fw [2021-12-18 12:31:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure load_cpu_fw [2021-12-18 12:31:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-12-18 12:31:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-12-18 12:31:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 12:31:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_tx_cons [2021-12-18 12:31:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_tx_cons [2021-12-18 12:31:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2021-12-18 12:31:11,560 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2021-12-18 12:31:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 12:31:11,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 12:31:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-18 12:31:11,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-18 12:31:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_fw_sync [2021-12-18 12:31:11,561 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_fw_sync [2021-12-18 12:31:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_139 [2021-12-18 12:31:11,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_139 [2021-12-18 12:31:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_wr [2021-12-18 12:31:11,562 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_wr [2021-12-18 12:31:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_5706s_force_link_dn [2021-12-18 12:31:11,562 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_5706s_force_link_dn [2021-12-18 12:31:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-18 12:31:11,562 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-18 12:31:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_link [2021-12-18 12:31:11,562 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_link [2021-12-18 12:31:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 12:31:11,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 12:31:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-18 12:31:11,563 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-18 12:31:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read [2021-12-18 12:31:11,563 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read [2021-12-18 12:31:11,563 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mac_addr [2021-12-18 12:31:11,563 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mac_addr [2021-12-18 12:31:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_fw_cap [2021-12-18 12:31:11,564 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_fw_cap [2021-12-18 12:31:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_rd_ind [2021-12-18 12:31:11,567 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_rd_ind [2021-12-18 12:31:11,567 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_write [2021-12-18 12:31:11,567 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_write [2021-12-18 12:31:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-18 12:31:11,568 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-18 12:31:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 12:31:11,568 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 12:31:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-12-18 12:31:11,568 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-12-18 12:31:11,568 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown [2021-12-18 12:31:11,569 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown [2021-12-18 12:31:11,569 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_forced_2g5 [2021-12-18 12:31:11,569 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_forced_2g5 [2021-12-18 12:31:11,569 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 12:31:11,569 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 12:31:11,569 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_stop [2021-12-18 12:31:11,569 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_stop [2021-12-18 12:31:11,569 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_find_max_ring [2021-12-18 12:31:11,570 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_find_max_ring [2021-12-18 12:31:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_coalesce [2021-12-18 12:31:11,570 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_coalesce [2021-12-18 12:31:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 12:31:11,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 12:31:11,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_98 [2021-12-18 12:31:11,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_98 [2021-12-18 12:31:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_page [2021-12-18 12:31:11,571 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_page [2021-12-18 12:31:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 12:31:11,571 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 12:31:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-18 12:31:11,571 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-18 12:31:11,571 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-18 12:31:11,571 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-18 12:31:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown_chip [2021-12-18 12:31:11,572 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown_chip [2021-12-18 12:31:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_mem [2021-12-18 12:31:11,572 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_mem [2021-12-18 12:31:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 12:31:11,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 12:31:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-18 12:31:11,572 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-18 12:31:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-18 12:31:11,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-18 12:31:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 12:31:11,573 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 12:31:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 12:31:11,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 12:31:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-18 12:31:11,574 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-18 12:31:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 12:31:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_irq [2021-12-18 12:31:11,574 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_irq [2021-12-18 12:31:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure poll_bnx2 [2021-12-18 12:31:11,574 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_bnx2 [2021-12-18 12:31:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_features [2021-12-18 12:31:11,574 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_features [2021-12-18 12:31:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 12:31:11,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 12:31:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_dump_mcp_state [2021-12-18 12:31:11,575 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_dump_mcp_state [2021-12-18 12:31:13,255 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 12:31:13,259 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 12:31:13,591 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 12:33:21,273 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 12:33:21,300 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 12:33:21,300 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-18 12:33:21,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 12:33:21 BoogieIcfgContainer [2021-12-18 12:33:21,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 12:33:21,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 12:33:21,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 12:33:21,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 12:33:21,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 12:30:59" (1/3) ... [2021-12-18 12:33:21,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4146a938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 12:33:21, skipping insertion in model container [2021-12-18 12:33:21,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:31:09" (2/3) ... [2021-12-18 12:33:21,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4146a938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 12:33:21, skipping insertion in model container [2021-12-18 12:33:21,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 12:33:21" (3/3) ... [2021-12-18 12:33:21,314 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-12-18 12:33:21,318 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 12:33:21,319 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-18 12:33:21,374 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 12:33:21,380 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 [2021-12-18 12:33:21,381 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-18 12:33:21,501 INFO L276 IsEmpty]: Start isEmpty. Operand has 5771 states, 3930 states have (on average 1.3078880407124682) internal successors, (5140), 4028 states have internal predecessors, (5140), 1564 states have call successors, (1564), 274 states have call predecessors, (1564), 273 states have return successors, (1557), 1536 states have call predecessors, (1557), 1557 states have call successors, (1557) [2021-12-18 12:33:21,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-18 12:33:21,507 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:33:21,508 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] [2021-12-18 12:33:21,508 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 12:33:21,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:33:21,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1721833910, now seen corresponding path program 1 times [2021-12-18 12:33:21,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:33:21,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579445816] [2021-12-18 12:33:21,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:33:21,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:33:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:22,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:33:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:22,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:33:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:22,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:33:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:22,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:33:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:22,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:33:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:22,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:33:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:22,563 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 12:33:22,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:33:22,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579445816] [2021-12-18 12:33:22,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579445816] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:33:22,568 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:33:22,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:33:22,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853270922] [2021-12-18 12:33:22,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:33:22,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:33:22,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:33:22,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:33:22,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:33:22,617 INFO L87 Difference]: Start difference. First operand has 5771 states, 3930 states have (on average 1.3078880407124682) internal successors, (5140), 4028 states have internal predecessors, (5140), 1564 states have call successors, (1564), 274 states have call predecessors, (1564), 273 states have return successors, (1557), 1536 states have call predecessors, (1557), 1557 states have call successors, (1557) 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) [2021-12-18 12:33:23,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:33:23,418 INFO L93 Difference]: Finished difference Result 11530 states and 16910 transitions. [2021-12-18 12:33:23,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:33:23,421 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 [2021-12-18 12:33:23,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:33:23,487 INFO L225 Difference]: With dead ends: 11530 [2021-12-18 12:33:23,487 INFO L226 Difference]: Without dead ends: 5771 [2021-12-18 12:33:23,542 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:33:23,545 INFO L933 BasicCegarLoop]: 8219 mSDtfsCounter, 8159 mSDsluCounter, 16470 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8175 SdHoareTripleChecker+Valid, 24689 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:33:23,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8175 Valid, 24689 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:33:23,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5771 states. [2021-12-18 12:33:23,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5771 to 5769. [2021-12-18 12:33:23,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5769 states, 3925 states have (on average 1.2993630573248407) internal successors, (5100), 4021 states have internal predecessors, (5100), 1561 states have call successors, (1561), 281 states have call predecessors, (1561), 280 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2021-12-18 12:33:23,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5769 states to 5769 states and 8219 transitions. [2021-12-18 12:33:23,977 INFO L78 Accepts]: Start accepts. Automaton has 5769 states and 8219 transitions. Word has length 48 [2021-12-18 12:33:23,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:33:23,978 INFO L470 AbstractCegarLoop]: Abstraction has 5769 states and 8219 transitions. [2021-12-18 12:33:23,979 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) [2021-12-18 12:33:23,979 INFO L276 IsEmpty]: Start isEmpty. Operand 5769 states and 8219 transitions. [2021-12-18 12:33:23,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-12-18 12:33:23,982 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:33:23,982 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] [2021-12-18 12:33:23,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 12:33:23,983 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 12:33:23,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:33:23,985 INFO L85 PathProgramCache]: Analyzing trace with hash -2051143758, now seen corresponding path program 1 times [2021-12-18 12:33:23,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:33:23,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655098754] [2021-12-18 12:33:23,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:33:23,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:33:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:24,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:33:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:24,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:33:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:24,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:33:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:24,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:33:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:24,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:33:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:24,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:33:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:24,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 12:33:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:24,620 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 12:33:24,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:33:24,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655098754] [2021-12-18 12:33:24,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655098754] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:33:24,621 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:33:24,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:33:24,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003405742] [2021-12-18 12:33:24,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:33:24,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:33:24,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:33:24,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:33:24,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:33:24,624 INFO L87 Difference]: Start difference. First operand 5769 states and 8219 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) [2021-12-18 12:33:25,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:33:25,197 INFO L93 Difference]: Finished difference Result 5775 states and 8224 transitions. [2021-12-18 12:33:25,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:33:25,198 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 [2021-12-18 12:33:25,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:33:25,245 INFO L225 Difference]: With dead ends: 5775 [2021-12-18 12:33:25,245 INFO L226 Difference]: Without dead ends: 5773 [2021-12-18 12:33:25,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:33:25,254 INFO L933 BasicCegarLoop]: 8184 mSDtfsCounter, 8152 mSDsluCounter, 16345 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8166 SdHoareTripleChecker+Valid, 24529 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:33:25,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8166 Valid, 24529 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:33:25,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5773 states. [2021-12-18 12:33:25,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5773 to 5773. [2021-12-18 12:33:25,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5773 states, 3928 states have (on average 1.2991344195519348) internal successors, (5103), 4024 states have internal predecessors, (5103), 1561 states have call successors, (1561), 282 states have call predecessors, (1561), 281 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2021-12-18 12:33:25,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5773 states to 5773 states and 8222 transitions. [2021-12-18 12:33:25,534 INFO L78 Accepts]: Start accepts. Automaton has 5773 states and 8222 transitions. Word has length 53 [2021-12-18 12:33:25,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:33:25,535 INFO L470 AbstractCegarLoop]: Abstraction has 5773 states and 8222 transitions. [2021-12-18 12:33:25,535 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) [2021-12-18 12:33:25,535 INFO L276 IsEmpty]: Start isEmpty. Operand 5773 states and 8222 transitions. [2021-12-18 12:33:25,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-12-18 12:33:25,542 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:33:25,543 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] [2021-12-18 12:33:25,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 12:33:25,543 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 12:33:25,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:33:25,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1831891210, now seen corresponding path program 1 times [2021-12-18 12:33:25,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:33:25,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672614470] [2021-12-18 12:33:25,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:33:25,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:33:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:25,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:33:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:25,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:33:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:26,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:33:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:26,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:33:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:26,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:33:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:26,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:33:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:26,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 12:33:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:26,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 12:33:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:26,052 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-18 12:33:26,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:33:26,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672614470] [2021-12-18 12:33:26,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672614470] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:33:26,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:33:26,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:33:26,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70415315] [2021-12-18 12:33:26,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:33:26,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:33:26,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:33:26,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:33:26,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:33:26,055 INFO L87 Difference]: Start difference. First operand 5773 states and 8222 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) [2021-12-18 12:33:26,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:33:26,599 INFO L93 Difference]: Finished difference Result 5779 states and 8227 transitions. [2021-12-18 12:33:26,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:33:26,600 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 [2021-12-18 12:33:26,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:33:26,638 INFO L225 Difference]: With dead ends: 5779 [2021-12-18 12:33:26,638 INFO L226 Difference]: Without dead ends: 5777 [2021-12-18 12:33:26,644 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:33:26,645 INFO L933 BasicCegarLoop]: 8184 mSDtfsCounter, 8152 mSDsluCounter, 16345 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8165 SdHoareTripleChecker+Valid, 24529 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:33:26,645 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8165 Valid, 24529 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:33:26,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5777 states. [2021-12-18 12:33:26,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5777 to 5777. [2021-12-18 12:33:26,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5777 states, 3931 states have (on average 1.298906130755533) internal successors, (5106), 4027 states have internal predecessors, (5106), 1561 states have call successors, (1561), 283 states have call predecessors, (1561), 282 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2021-12-18 12:33:26,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5777 states to 5777 states and 8225 transitions. [2021-12-18 12:33:26,913 INFO L78 Accepts]: Start accepts. Automaton has 5777 states and 8225 transitions. Word has length 58 [2021-12-18 12:33:26,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:33:26,914 INFO L470 AbstractCegarLoop]: Abstraction has 5777 states and 8225 transitions. [2021-12-18 12:33:26,914 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) [2021-12-18 12:33:26,914 INFO L276 IsEmpty]: Start isEmpty. Operand 5777 states and 8225 transitions. [2021-12-18 12:33:26,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-12-18 12:33:26,915 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:33:26,916 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] [2021-12-18 12:33:26,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 12:33:26,916 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 12:33:26,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:33:26,917 INFO L85 PathProgramCache]: Analyzing trace with hash -624883214, now seen corresponding path program 1 times [2021-12-18 12:33:26,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:33:26,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048410237] [2021-12-18 12:33:26,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:33:26,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:33:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:27,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:33:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:27,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:33:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:27,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:33:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:27,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:33:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:27,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:33:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:27,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:33:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:27,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 12:33:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:27,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 12:33:27,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:27,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 12:33:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:27,395 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 12:33:27,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:33:27,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048410237] [2021-12-18 12:33:27,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048410237] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:33:27,396 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:33:27,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:33:27,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850990825] [2021-12-18 12:33:27,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:33:27,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:33:27,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:33:27,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:33:27,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:33:27,398 INFO L87 Difference]: Start difference. First operand 5777 states and 8225 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) [2021-12-18 12:33:27,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:33:27,930 INFO L93 Difference]: Finished difference Result 5783 states and 8230 transitions. [2021-12-18 12:33:27,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:33:27,931 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 [2021-12-18 12:33:27,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:33:27,973 INFO L225 Difference]: With dead ends: 5783 [2021-12-18 12:33:27,974 INFO L226 Difference]: Without dead ends: 5781 [2021-12-18 12:33:28,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:33:28,119 INFO L933 BasicCegarLoop]: 8184 mSDtfsCounter, 8152 mSDsluCounter, 16345 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8164 SdHoareTripleChecker+Valid, 24529 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:33:28,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8164 Valid, 24529 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:33:28,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5781 states. [2021-12-18 12:33:28,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5781 to 5781. [2021-12-18 12:33:28,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5781 states, 3934 states have (on average 1.2986781901372648) internal successors, (5109), 4030 states have internal predecessors, (5109), 1561 states have call successors, (1561), 284 states have call predecessors, (1561), 283 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2021-12-18 12:33:28,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5781 states to 5781 states and 8228 transitions. [2021-12-18 12:33:28,398 INFO L78 Accepts]: Start accepts. Automaton has 5781 states and 8228 transitions. Word has length 63 [2021-12-18 12:33:28,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:33:28,398 INFO L470 AbstractCegarLoop]: Abstraction has 5781 states and 8228 transitions. [2021-12-18 12:33:28,399 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) [2021-12-18 12:33:28,399 INFO L276 IsEmpty]: Start isEmpty. Operand 5781 states and 8228 transitions. [2021-12-18 12:33:28,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-12-18 12:33:28,401 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:33:28,401 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 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] [2021-12-18 12:33:28,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 12:33:28,402 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 12:33:28,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:33:28,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1055643459, now seen corresponding path program 1 times [2021-12-18 12:33:28,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:33:28,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105216846] [2021-12-18 12:33:28,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:33:28,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:33:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:28,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:33:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:28,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:33:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:28,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:33:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:28,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:33:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:28,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:33:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:28,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:33:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:28,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 12:33:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:28,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 12:33:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:28,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 12:33:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:28,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 12:33:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:28,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 12:33:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:28,941 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-12-18 12:33:28,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:33:28,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105216846] [2021-12-18 12:33:28,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105216846] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:33:28,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:33:28,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:33:28,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730472443] [2021-12-18 12:33:28,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:33:28,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:33:28,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:33:28,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:33:28,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:33:28,944 INFO L87 Difference]: Start difference. First operand 5781 states and 8228 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, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-18 12:33:29,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:33:29,454 INFO L93 Difference]: Finished difference Result 5814 states and 8253 transitions. [2021-12-18 12:33:29,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:33:29,455 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, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 81 [2021-12-18 12:33:29,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:33:29,491 INFO L225 Difference]: With dead ends: 5814 [2021-12-18 12:33:29,492 INFO L226 Difference]: Without dead ends: 5812 [2021-12-18 12:33:29,498 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:33:29,499 INFO L933 BasicCegarLoop]: 8184 mSDtfsCounter, 8072 mSDsluCounter, 16433 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8083 SdHoareTripleChecker+Valid, 24617 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:33:29,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8083 Valid, 24617 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:33:29,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5812 states. [2021-12-18 12:33:29,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5812 to 5810. [2021-12-18 12:33:29,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5810 states, 3955 states have (on average 1.297345132743363) internal successors, (5131), 4051 states have internal predecessors, (5131), 1561 states have call successors, (1561), 292 states have call predecessors, (1561), 291 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2021-12-18 12:33:29,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5810 states to 5810 states and 8250 transitions. [2021-12-18 12:33:29,765 INFO L78 Accepts]: Start accepts. Automaton has 5810 states and 8250 transitions. Word has length 81 [2021-12-18 12:33:29,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:33:29,766 INFO L470 AbstractCegarLoop]: Abstraction has 5810 states and 8250 transitions. [2021-12-18 12:33:29,766 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, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-18 12:33:29,766 INFO L276 IsEmpty]: Start isEmpty. Operand 5810 states and 8250 transitions. [2021-12-18 12:33:29,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-12-18 12:33:29,767 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:33:29,767 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] [2021-12-18 12:33:29,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 12:33:29,768 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 12:33:29,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:33:29,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1062135483, now seen corresponding path program 1 times [2021-12-18 12:33:29,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:33:29,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480800130] [2021-12-18 12:33:29,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:33:29,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:33:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:30,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:33:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:30,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:33:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:30,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:33:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:30,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:33:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:30,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:33:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:30,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:33:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:30,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 12:33:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:30,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 12:33:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:30,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 12:33:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:30,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 12:33:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:30,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 12:33:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:30,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 12:33:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:30,237 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-12-18 12:33:30,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:33:30,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480800130] [2021-12-18 12:33:30,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480800130] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:33:30,237 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:33:30,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:33:30,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443522375] [2021-12-18 12:33:30,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:33:30,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:33:30,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:33:30,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:33:30,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:33:30,239 INFO L87 Difference]: Start difference. First operand 5810 states and 8250 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) [2021-12-18 12:33:30,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:33:30,762 INFO L93 Difference]: Finished difference Result 5816 states and 8255 transitions. [2021-12-18 12:33:30,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:33:30,763 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 [2021-12-18 12:33:30,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:33:30,791 INFO L225 Difference]: With dead ends: 5816 [2021-12-18 12:33:30,791 INFO L226 Difference]: Without dead ends: 5814 [2021-12-18 12:33:30,797 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:33:30,798 INFO L933 BasicCegarLoop]: 8184 mSDtfsCounter, 8142 mSDsluCounter, 16345 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8152 SdHoareTripleChecker+Valid, 24529 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:33:30,798 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8152 Valid, 24529 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:33:30,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5814 states. [2021-12-18 12:33:31,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5814 to 5814. [2021-12-18 12:33:31,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5814 states, 3958 states have (on average 1.2971197574532591) internal successors, (5134), 4054 states have internal predecessors, (5134), 1561 states have call successors, (1561), 293 states have call predecessors, (1561), 292 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2021-12-18 12:33:31,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5814 states to 5814 states and 8253 transitions. [2021-12-18 12:33:31,070 INFO L78 Accepts]: Start accepts. Automaton has 5814 states and 8253 transitions. Word has length 86 [2021-12-18 12:33:31,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:33:31,070 INFO L470 AbstractCegarLoop]: Abstraction has 5814 states and 8253 transitions. [2021-12-18 12:33:31,071 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) [2021-12-18 12:33:31,071 INFO L276 IsEmpty]: Start isEmpty. Operand 5814 states and 8253 transitions. [2021-12-18 12:33:31,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-12-18 12:33:31,072 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:33:31,072 INFO L514 BasicCegarLoop]: trace histogram [7, 6, 6, 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] [2021-12-18 12:33:31,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 12:33:31,072 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 12:33:31,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:33:31,073 INFO L85 PathProgramCache]: Analyzing trace with hash -51062410, now seen corresponding path program 1 times [2021-12-18 12:33:31,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:33:31,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577811864] [2021-12-18 12:33:31,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:33:31,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:33:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:31,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:33:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:31,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:33:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:31,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:33:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:31,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:33:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:31,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:33:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:31,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:33:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:31,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 12:33:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:31,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 12:33:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:31,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 12:33:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:31,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 12:33:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:31,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 12:33:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:31,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 12:33:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:31,512 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-18 12:33:31,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:33:31,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577811864] [2021-12-18 12:33:31,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577811864] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:33:31,513 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:33:31,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:33:31,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985699036] [2021-12-18 12:33:31,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:33:31,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:33:31,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:33:31,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:33:31,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:33:31,515 INFO L87 Difference]: Start difference. First operand 5814 states and 8253 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, (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) [2021-12-18 12:33:32,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:33:32,003 INFO L93 Difference]: Finished difference Result 5820 states and 8258 transitions. [2021-12-18 12:33:32,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:33:32,004 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, (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 78 [2021-12-18 12:33:32,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:33:32,030 INFO L225 Difference]: With dead ends: 5820 [2021-12-18 12:33:32,031 INFO L226 Difference]: Without dead ends: 5818 [2021-12-18 12:33:32,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:33:32,037 INFO L933 BasicCegarLoop]: 8184 mSDtfsCounter, 8152 mSDsluCounter, 16345 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8161 SdHoareTripleChecker+Valid, 24529 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:33:32,038 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8161 Valid, 24529 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:33:32,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5818 states. [2021-12-18 12:33:32,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5818 to 5818. [2021-12-18 12:33:32,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5818 states, 3961 states have (on average 1.296894723554658) internal successors, (5137), 4057 states have internal predecessors, (5137), 1561 states have call successors, (1561), 294 states have call predecessors, (1561), 293 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2021-12-18 12:33:32,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5818 states to 5818 states and 8256 transitions. [2021-12-18 12:33:32,309 INFO L78 Accepts]: Start accepts. Automaton has 5818 states and 8256 transitions. Word has length 78 [2021-12-18 12:33:32,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:33:32,309 INFO L470 AbstractCegarLoop]: Abstraction has 5818 states and 8256 transitions. [2021-12-18 12:33:32,310 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, (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) [2021-12-18 12:33:32,310 INFO L276 IsEmpty]: Start isEmpty. Operand 5818 states and 8256 transitions. [2021-12-18 12:33:32,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-18 12:33:32,316 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:33:32,316 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] [2021-12-18 12:33:32,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 12:33:32,316 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 12:33:32,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:33:32,317 INFO L85 PathProgramCache]: Analyzing trace with hash 557493874, now seen corresponding path program 1 times [2021-12-18 12:33:32,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:33:32,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587947509] [2021-12-18 12:33:32,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:33:32,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:33:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:32,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:33:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:32,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:33:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:32,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:33:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:32,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:33:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:32,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:33:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:32,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:33:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:32,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 12:33:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:32,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 12:33:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:32,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 12:33:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:32,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 12:33:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:32,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 12:33:32,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:32,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 12:33:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:32,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 12:33:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:32,908 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-12-18 12:33:32,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:33:32,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587947509] [2021-12-18 12:33:32,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587947509] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:33:32,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:33:32,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:33:32,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982633233] [2021-12-18 12:33:32,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:33:32,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:33:32,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:33:32,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:33:32,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:33:32,910 INFO L87 Difference]: Start difference. First operand 5818 states and 8256 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) [2021-12-18 12:33:33,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:33:33,402 INFO L93 Difference]: Finished difference Result 5824 states and 8261 transitions. [2021-12-18 12:33:33,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:33:33,403 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 [2021-12-18 12:33:33,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:33:33,433 INFO L225 Difference]: With dead ends: 5824 [2021-12-18 12:33:33,433 INFO L226 Difference]: Without dead ends: 5822 [2021-12-18 12:33:33,438 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:33:33,439 INFO L933 BasicCegarLoop]: 8184 mSDtfsCounter, 8152 mSDsluCounter, 16345 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8160 SdHoareTripleChecker+Valid, 24529 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:33:33,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8160 Valid, 24529 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:33:33,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5822 states. [2021-12-18 12:33:33,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5822 to 5822. [2021-12-18 12:33:33,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5822 states, 3964 states have (on average 1.296670030272452) internal successors, (5140), 4060 states have internal predecessors, (5140), 1561 states have call successors, (1561), 295 states have call predecessors, (1561), 294 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2021-12-18 12:33:33,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5822 states to 5822 states and 8259 transitions. [2021-12-18 12:33:33,711 INFO L78 Accepts]: Start accepts. Automaton has 5822 states and 8259 transitions. Word has length 83 [2021-12-18 12:33:33,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:33:33,712 INFO L470 AbstractCegarLoop]: Abstraction has 5822 states and 8259 transitions. [2021-12-18 12:33:33,712 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) [2021-12-18 12:33:33,712 INFO L276 IsEmpty]: Start isEmpty. Operand 5822 states and 8259 transitions. [2021-12-18 12:33:33,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-12-18 12:33:33,713 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:33:33,713 INFO L514 BasicCegarLoop]: trace histogram [9, 8, 8, 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] [2021-12-18 12:33:33,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 12:33:33,714 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 12:33:33,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:33:33,714 INFO L85 PathProgramCache]: Analyzing trace with hash 950425923, now seen corresponding path program 1 times [2021-12-18 12:33:33,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:33:33,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851466328] [2021-12-18 12:33:33,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:33:33,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:33:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:34,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:33:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:34,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:33:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:34,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:33:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:34,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:33:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:34,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:33:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:34,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:33:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:34,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 12:33:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:34,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 12:33:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:34,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 12:33:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:34,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 12:33:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:34,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 12:33:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:34,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 12:33:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:34,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 12:33:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:34,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 12:33:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:34,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 12:33:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:34,186 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-12-18 12:33:34,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:33:34,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851466328] [2021-12-18 12:33:34,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851466328] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:33:34,187 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:33:34,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:33:34,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361830603] [2021-12-18 12:33:34,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:33:34,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:33:34,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:33:34,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:33:34,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:33:34,189 INFO L87 Difference]: Start difference. First operand 5822 states and 8259 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, (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) [2021-12-18 12:33:34,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:33:34,688 INFO L93 Difference]: Finished difference Result 5828 states and 8264 transitions. [2021-12-18 12:33:34,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:33:34,689 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, (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 101 [2021-12-18 12:33:34,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:33:34,716 INFO L225 Difference]: With dead ends: 5828 [2021-12-18 12:33:34,716 INFO L226 Difference]: Without dead ends: 5826 [2021-12-18 12:33:34,722 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:33:34,724 INFO L933 BasicCegarLoop]: 8184 mSDtfsCounter, 8142 mSDsluCounter, 16345 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8149 SdHoareTripleChecker+Valid, 24529 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:33:34,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8149 Valid, 24529 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:33:34,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5826 states. [2021-12-18 12:33:34,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5826 to 5826. [2021-12-18 12:33:34,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5826 states, 3967 states have (on average 1.2964456768338795) internal successors, (5143), 4063 states have internal predecessors, (5143), 1561 states have call successors, (1561), 296 states have call predecessors, (1561), 295 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2021-12-18 12:33:34,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5826 states to 5826 states and 8262 transitions. [2021-12-18 12:33:34,999 INFO L78 Accepts]: Start accepts. Automaton has 5826 states and 8262 transitions. Word has length 101 [2021-12-18 12:33:34,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:33:34,999 INFO L470 AbstractCegarLoop]: Abstraction has 5826 states and 8262 transitions. [2021-12-18 12:33:34,999 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, (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) [2021-12-18 12:33:35,000 INFO L276 IsEmpty]: Start isEmpty. Operand 5826 states and 8262 transitions. [2021-12-18 12:33:35,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-18 12:33:35,001 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:33:35,001 INFO L514 BasicCegarLoop]: trace histogram [10, 9, 9, 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] [2021-12-18 12:33:35,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 12:33:35,002 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 12:33:35,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:33:35,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1582549435, now seen corresponding path program 1 times [2021-12-18 12:33:35,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:33:35,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429725383] [2021-12-18 12:33:35,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:33:35,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:33:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:35,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:33:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:35,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:33:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:35,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:33:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:35,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:33:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:35,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:33:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:35,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:33:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:35,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 12:33:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:35,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 12:33:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:35,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 12:33:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:35,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 12:33:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:35,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 12:33:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:35,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 12:33:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:35,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 12:33:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:35,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 12:33:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:35,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 12:33:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:35,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 12:33:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:35,495 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2021-12-18 12:33:35,496 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:33:35,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429725383] [2021-12-18 12:33:35,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429725383] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:33:35,496 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:33:35,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:33:35,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337746171] [2021-12-18 12:33:35,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:33:35,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:33:35,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:33:35,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:33:35,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:33:35,498 INFO L87 Difference]: Start difference. First operand 5826 states and 8262 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, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-18 12:33:36,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:33:36,008 INFO L93 Difference]: Finished difference Result 5832 states and 8267 transitions. [2021-12-18 12:33:36,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:33:36,009 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, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 106 [2021-12-18 12:33:36,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:33:36,037 INFO L225 Difference]: With dead ends: 5832 [2021-12-18 12:33:36,038 INFO L226 Difference]: Without dead ends: 5830 [2021-12-18 12:33:36,043 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:33:36,044 INFO L933 BasicCegarLoop]: 8184 mSDtfsCounter, 8142 mSDsluCounter, 16345 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8148 SdHoareTripleChecker+Valid, 24529 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:33:36,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8148 Valid, 24529 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:33:36,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5830 states. [2021-12-18 12:33:36,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5830 to 5830. [2021-12-18 12:33:36,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5830 states, 3970 states have (on average 1.296221662468514) internal successors, (5146), 4066 states have internal predecessors, (5146), 1561 states have call successors, (1561), 297 states have call predecessors, (1561), 296 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2021-12-18 12:33:36,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5830 states to 5830 states and 8265 transitions. [2021-12-18 12:33:36,326 INFO L78 Accepts]: Start accepts. Automaton has 5830 states and 8265 transitions. Word has length 106 [2021-12-18 12:33:36,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:33:36,327 INFO L470 AbstractCegarLoop]: Abstraction has 5830 states and 8265 transitions. [2021-12-18 12:33:36,327 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, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-18 12:33:36,327 INFO L276 IsEmpty]: Start isEmpty. Operand 5830 states and 8265 transitions. [2021-12-18 12:33:36,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-12-18 12:33:36,329 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:33:36,329 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] [2021-12-18 12:33:36,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 12:33:36,330 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 12:33:36,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:33:36,330 INFO L85 PathProgramCache]: Analyzing trace with hash 911163971, now seen corresponding path program 1 times [2021-12-18 12:33:36,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:33:36,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996361653] [2021-12-18 12:33:36,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:33:36,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:33:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:36,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:33:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:36,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:33:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:36,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:33:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:36,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:33:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:36,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:33:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:36,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:33:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:36,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 12:33:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:36,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 12:33:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:36,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 12:33:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:36,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 12:33:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:36,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 12:33:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:36,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 12:33:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:36,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 12:33:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:36,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 12:33:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:37,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 12:33:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:37,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 12:33:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:37,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 12:33:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:37,023 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2021-12-18 12:33:37,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:33:37,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996361653] [2021-12-18 12:33:37,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996361653] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:33:37,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:33:37,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:33:37,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296204897] [2021-12-18 12:33:37,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:33:37,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:33:37,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:33:37,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:33:37,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:33:37,026 INFO L87 Difference]: Start difference. First operand 5830 states and 8265 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) [2021-12-18 12:33:37,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:33:37,642 INFO L93 Difference]: Finished difference Result 6715 states and 9478 transitions. [2021-12-18 12:33:37,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:33:37,643 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 [2021-12-18 12:33:37,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:33:37,682 INFO L225 Difference]: With dead ends: 6715 [2021-12-18 12:33:37,682 INFO L226 Difference]: Without dead ends: 6713 [2021-12-18 12:33:37,688 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:33:37,689 INFO L933 BasicCegarLoop]: 9266 mSDtfsCounter, 7107 mSDsluCounter, 20735 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7112 SdHoareTripleChecker+Valid, 30001 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 12:33:37,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7112 Valid, 30001 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 12:33:37,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6713 states. [2021-12-18 12:33:37,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6713 to 6707. [2021-12-18 12:33:38,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6707 states, 4578 states have (on average 1.3001310615989514) internal successors, (5952), 4692 states have internal predecessors, (5952), 1754 states have call successors, (1754), 375 states have call predecessors, (1754), 372 states have return successors, (1766), 1726 states have call predecessors, (1766), 1751 states have call successors, (1766) [2021-12-18 12:33:38,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6707 states to 6707 states and 9472 transitions. [2021-12-18 12:33:38,038 INFO L78 Accepts]: Start accepts. Automaton has 6707 states and 9472 transitions. Word has length 111 [2021-12-18 12:33:38,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:33:38,039 INFO L470 AbstractCegarLoop]: Abstraction has 6707 states and 9472 transitions. [2021-12-18 12:33:38,039 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) [2021-12-18 12:33:38,039 INFO L276 IsEmpty]: Start isEmpty. Operand 6707 states and 9472 transitions. [2021-12-18 12:33:38,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-12-18 12:33:38,041 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:33:38,041 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] [2021-12-18 12:33:38,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 12:33:38,042 INFO L402 AbstractCegarLoop]: === Iteration 12 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 12:33:38,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:33:38,042 INFO L85 PathProgramCache]: Analyzing trace with hash -2013015310, now seen corresponding path program 1 times [2021-12-18 12:33:38,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:33:38,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762082838] [2021-12-18 12:33:38,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:33:38,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:33:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:38,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:33:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:38,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:33:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:38,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:33:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:38,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:33:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:38,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:33:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:38,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:33:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:38,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 12:33:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:38,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 12:33:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:38,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 12:33:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:38,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 12:33:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:38,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 12:33:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:38,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 12:33:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:38,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 12:33:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:38,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 12:33:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:38,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 12:33:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:38,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 12:33:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:38,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 12:33:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:38,532 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-18 12:33:38,532 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:33:38,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762082838] [2021-12-18 12:33:38,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762082838] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:33:38,533 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:33:38,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:33:38,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256361521] [2021-12-18 12:33:38,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:33:38,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:33:38,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:33:38,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:33:38,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:33:38,535 INFO L87 Difference]: Start difference. First operand 6707 states and 9472 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) [2021-12-18 12:33:39,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:33:39,118 INFO L93 Difference]: Finished difference Result 6713 states and 9477 transitions. [2021-12-18 12:33:39,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:33:39,119 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 [2021-12-18 12:33:39,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:33:39,154 INFO L225 Difference]: With dead ends: 6713 [2021-12-18 12:33:39,155 INFO L226 Difference]: Without dead ends: 6711 [2021-12-18 12:33:39,160 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:33:39,161 INFO L933 BasicCegarLoop]: 8184 mSDtfsCounter, 8152 mSDsluCounter, 16345 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8156 SdHoareTripleChecker+Valid, 24529 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:33:39,161 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8156 Valid, 24529 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:33:39,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6711 states. [2021-12-18 12:33:39,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6711 to 6711. [2021-12-18 12:33:39,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6711 states, 4581 states have (on average 1.2999345121152586) internal successors, (5955), 4695 states have internal predecessors, (5955), 1754 states have call successors, (1754), 376 states have call predecessors, (1754), 373 states have return successors, (1766), 1726 states have call predecessors, (1766), 1751 states have call successors, (1766) [2021-12-18 12:33:39,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6711 states to 6711 states and 9475 transitions. [2021-12-18 12:33:39,502 INFO L78 Accepts]: Start accepts. Automaton has 6711 states and 9475 transitions. Word has length 103 [2021-12-18 12:33:39,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:33:39,502 INFO L470 AbstractCegarLoop]: Abstraction has 6711 states and 9475 transitions. [2021-12-18 12:33:39,503 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) [2021-12-18 12:33:39,503 INFO L276 IsEmpty]: Start isEmpty. Operand 6711 states and 9475 transitions. [2021-12-18 12:33:39,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-18 12:33:39,505 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:33:39,506 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] [2021-12-18 12:33:39,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 12:33:39,506 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 12:33:39,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:33:39,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1961190589, now seen corresponding path program 1 times [2021-12-18 12:33:39,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:33:39,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186696880] [2021-12-18 12:33:39,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:33:39,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:33:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:39,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:33:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:39,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:33:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:39,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:33:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:39,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:33:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:39,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:33:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:39,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:33:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:39,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 12:33:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:39,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 12:33:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:39,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 12:33:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:39,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 12:33:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:39,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 12:33:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:39,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 12:33:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:39,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 12:33:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:39,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 12:33:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:39,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 12:33:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:39,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 12:33:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:39,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 12:33:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:39,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 12:33:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:39,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 12:33:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:39,993 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2021-12-18 12:33:39,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:33:39,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186696880] [2021-12-18 12:33:39,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186696880] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:33:39,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:33:39,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:33:39,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635283472] [2021-12-18 12:33:39,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:33:39,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:33:39,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:33:39,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:33:39,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:33:39,995 INFO L87 Difference]: Start difference. First operand 6711 states and 9475 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) [2021-12-18 12:33:40,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:33:40,633 INFO L93 Difference]: Finished difference Result 6717 states and 9480 transitions. [2021-12-18 12:33:40,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:33:40,634 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 [2021-12-18 12:33:40,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:33:40,671 INFO L225 Difference]: With dead ends: 6717 [2021-12-18 12:33:40,671 INFO L226 Difference]: Without dead ends: 6715 [2021-12-18 12:33:40,678 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:33:40,679 INFO L933 BasicCegarLoop]: 8184 mSDtfsCounter, 8142 mSDsluCounter, 16345 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8145 SdHoareTripleChecker+Valid, 24529 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:33:40,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8145 Valid, 24529 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:33:40,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6715 states. [2021-12-18 12:33:41,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6715 to 6715. [2021-12-18 12:33:41,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6715 states, 4584 states have (on average 1.299738219895288) internal successors, (5958), 4698 states have internal predecessors, (5958), 1754 states have call successors, (1754), 377 states have call predecessors, (1754), 374 states have return successors, (1766), 1726 states have call predecessors, (1766), 1751 states have call successors, (1766) [2021-12-18 12:33:41,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6715 states to 6715 states and 9478 transitions. [2021-12-18 12:33:41,158 INFO L78 Accepts]: Start accepts. Automaton has 6715 states and 9478 transitions. Word has length 121 [2021-12-18 12:33:41,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:33:41,159 INFO L470 AbstractCegarLoop]: Abstraction has 6715 states and 9478 transitions. [2021-12-18 12:33:41,159 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) [2021-12-18 12:33:41,159 INFO L276 IsEmpty]: Start isEmpty. Operand 6715 states and 9478 transitions. [2021-12-18 12:33:41,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-18 12:33:41,162 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:33:41,162 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] [2021-12-18 12:33:41,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 12:33:41,162 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 12:33:41,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:33:41,163 INFO L85 PathProgramCache]: Analyzing trace with hash -907397838, now seen corresponding path program 1 times [2021-12-18 12:33:41,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:33:41,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797907073] [2021-12-18 12:33:41,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:33:41,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:33:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:41,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:33:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:41,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:33:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:41,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:33:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:41,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:33:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:41,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:33:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:41,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:33:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:41,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 12:33:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:41,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 12:33:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:41,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 12:33:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:41,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 12:33:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:41,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 12:33:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:41,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 12:33:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:41,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 12:33:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:41,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 12:33:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:41,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 12:33:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:41,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 12:33:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:41,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 12:33:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:41,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 12:33:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:41,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 12:33:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:41,689 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2021-12-18 12:33:41,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:33:41,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797907073] [2021-12-18 12:33:41,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797907073] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:33:41,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:33:41,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:33:41,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988118780] [2021-12-18 12:33:41,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:33:41,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:33:41,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:33:41,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:33:41,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:33:41,693 INFO L87 Difference]: Start difference. First operand 6715 states and 9478 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) [2021-12-18 12:33:42,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:33:42,284 INFO L93 Difference]: Finished difference Result 6721 states and 9483 transitions. [2021-12-18 12:33:42,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:33:42,285 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 [2021-12-18 12:33:42,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:33:42,319 INFO L225 Difference]: With dead ends: 6721 [2021-12-18 12:33:42,320 INFO L226 Difference]: Without dead ends: 6719 [2021-12-18 12:33:42,326 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:33:42,327 INFO L933 BasicCegarLoop]: 8184 mSDtfsCounter, 8152 mSDsluCounter, 16345 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8154 SdHoareTripleChecker+Valid, 24529 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:33:42,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8154 Valid, 24529 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:33:42,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6719 states. [2021-12-18 12:33:42,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6719 to 6719. [2021-12-18 12:33:42,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6719 states, 4587 states have (on average 1.2995421844342707) internal successors, (5961), 4701 states have internal predecessors, (5961), 1754 states have call successors, (1754), 378 states have call predecessors, (1754), 375 states have return successors, (1766), 1726 states have call predecessors, (1766), 1751 states have call successors, (1766) [2021-12-18 12:33:42,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6719 states to 6719 states and 9481 transitions. [2021-12-18 12:33:42,674 INFO L78 Accepts]: Start accepts. Automaton has 6719 states and 9481 transitions. Word has length 113 [2021-12-18 12:33:42,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:33:42,674 INFO L470 AbstractCegarLoop]: Abstraction has 6719 states and 9481 transitions. [2021-12-18 12:33:42,675 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) [2021-12-18 12:33:42,675 INFO L276 IsEmpty]: Start isEmpty. Operand 6719 states and 9481 transitions. [2021-12-18 12:33:42,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-12-18 12:33:42,677 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:33:42,677 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] [2021-12-18 12:33:42,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-18 12:33:42,678 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 12:33:42,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:33:42,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1119642691, now seen corresponding path program 1 times [2021-12-18 12:33:42,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:33:42,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032915540] [2021-12-18 12:33:42,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:33:42,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:33:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:43,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:33:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:43,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:33:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:43,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:33:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:43,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:33:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:43,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:33:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:43,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:33:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:43,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 12:33:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:43,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 12:33:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:43,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 12:33:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:43,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 12:33:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:43,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 12:33:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:43,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 12:33:43,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:43,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 12:33:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:43,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 12:33:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:43,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 12:33:43,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:43,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 12:33:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:43,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 12:33:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:43,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 12:33:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:43,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 12:33:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:43,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 12:33:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:43,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 12:33:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:43,135 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2021-12-18 12:33:43,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:33:43,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032915540] [2021-12-18 12:33:43,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032915540] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:33:43,136 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:33:43,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:33:43,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467642804] [2021-12-18 12:33:43,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:33:43,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:33:43,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:33:43,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:33:43,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:33:43,137 INFO L87 Difference]: Start difference. First operand 6719 states and 9481 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) [2021-12-18 12:33:43,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:33:43,595 INFO L93 Difference]: Finished difference Result 6725 states and 9486 transitions. [2021-12-18 12:33:43,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:33:43,595 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 [2021-12-18 12:33:43,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:33:43,623 INFO L225 Difference]: With dead ends: 6725 [2021-12-18 12:33:43,624 INFO L226 Difference]: Without dead ends: 6721 [2021-12-18 12:33:43,630 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:33:43,630 INFO L933 BasicCegarLoop]: 8184 mSDtfsCounter, 8142 mSDsluCounter, 16345 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8143 SdHoareTripleChecker+Valid, 24529 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:33:43,630 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8143 Valid, 24529 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:33:43,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6721 states. [2021-12-18 12:33:44,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6721 to 6721. [2021-12-18 12:33:44,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6721 states, 4589 states have (on average 1.2991937241229026) internal successors, (5962), 4702 states have internal predecessors, (5962), 1754 states have call successors, (1754), 379 states have call predecessors, (1754), 375 states have return successors, (1766), 1726 states have call predecessors, (1766), 1751 states have call successors, (1766) [2021-12-18 12:33:44,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6721 states to 6721 states and 9482 transitions. [2021-12-18 12:33:44,107 INFO L78 Accepts]: Start accepts. Automaton has 6721 states and 9482 transitions. Word has length 131 [2021-12-18 12:33:44,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:33:44,108 INFO L470 AbstractCegarLoop]: Abstraction has 6721 states and 9482 transitions. [2021-12-18 12:33:44,108 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) [2021-12-18 12:33:44,108 INFO L276 IsEmpty]: Start isEmpty. Operand 6721 states and 9482 transitions. [2021-12-18 12:33:44,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-12-18 12:33:44,110 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:33:44,111 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 12:33:44,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-18 12:33:44,111 INFO L402 AbstractCegarLoop]: === Iteration 16 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 12:33:44,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:33:44,111 INFO L85 PathProgramCache]: Analyzing trace with hash 101108751, now seen corresponding path program 1 times [2021-12-18 12:33:44,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:33:44,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506643510] [2021-12-18 12:33:44,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:33:44,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:33:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:44,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:33:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:44,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:33:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:44,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:33:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:44,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:33:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:44,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:33:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:44,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:33:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:44,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 12:33:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:44,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 12:33:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:44,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:33:44,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:44,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:33:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:44,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:33:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:44,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 12:33:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:44,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 12:33:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:44,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:33:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:44,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:33:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:44,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:33:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:44,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 12:33:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:44,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 12:33:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:44,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 12:33:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:44,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:33:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:33:44,645 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-12-18 12:33:44,645 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:33:44,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506643510] [2021-12-18 12:33:44,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506643510] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:33:44,647 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:33:44,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 12:33:44,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416813002] [2021-12-18 12:33:44,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:33:44,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 12:33:44,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:33:44,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 12:33:44,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 12:33:44,649 INFO L87 Difference]: Start difference. First operand 6721 states and 9482 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-12-18 12:34:01,866 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:34:10,868 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:34:13,073 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:34:15,392 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:34:19,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:34:19,303 INFO L93 Difference]: Finished difference Result 14427 states and 20616 transitions. [2021-12-18 12:34:19,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 12:34:19,304 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2021-12-18 12:34:19,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:34:19,339 INFO L225 Difference]: With dead ends: 14427 [2021-12-18 12:34:19,339 INFO L226 Difference]: Without dead ends: 7725 [2021-12-18 12:34:19,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 12:34:19,384 INFO L933 BasicCegarLoop]: 7751 mSDtfsCounter, 2808 mSDsluCounter, 9306 mSDsCounter, 0 mSdLazyCounter, 4323 mSolverCounterSat, 1877 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3510 SdHoareTripleChecker+Valid, 17057 SdHoareTripleChecker+Invalid, 6204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1877 IncrementalHoareTripleChecker+Valid, 4323 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.5s IncrementalHoareTripleChecker+Time [2021-12-18 12:34:19,385 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3510 Valid, 17057 Invalid, 6204 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1877 Valid, 4323 Invalid, 4 Unknown, 0 Unchecked, 33.5s Time] [2021-12-18 12:34:19,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7725 states. [2021-12-18 12:34:19,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7725 to 6744. [2021-12-18 12:34:19,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6744 states, 4602 states have (on average 1.2985658409387224) internal successors, (5976), 4717 states have internal predecessors, (5976), 1758 states have call successors, (1758), 379 states have call predecessors, (1758), 381 states have return successors, (1779), 1733 states have call predecessors, (1779), 1755 states have call successors, (1779) [2021-12-18 12:34:19,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6744 states to 6744 states and 9513 transitions. [2021-12-18 12:34:19,805 INFO L78 Accepts]: Start accepts. Automaton has 6744 states and 9513 transitions. Word has length 138 [2021-12-18 12:34:19,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:34:19,805 INFO L470 AbstractCegarLoop]: Abstraction has 6744 states and 9513 transitions. [2021-12-18 12:34:19,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-12-18 12:34:19,806 INFO L276 IsEmpty]: Start isEmpty. Operand 6744 states and 9513 transitions. [2021-12-18 12:34:19,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-12-18 12:34:19,808 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:34:19,808 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 12:34:19,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-18 12:34:19,809 INFO L402 AbstractCegarLoop]: === Iteration 17 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 12:34:19,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:34:19,809 INFO L85 PathProgramCache]: Analyzing trace with hash 494135761, now seen corresponding path program 1 times [2021-12-18 12:34:19,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:34:19,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955634949] [2021-12-18 12:34:19,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:34:19,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:34:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:34:20,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:34:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:34:20,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:34:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:34:20,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:34:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:34:20,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:34:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:34:20,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:34:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:34:20,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:34:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:34:20,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 12:34:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:34:20,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 12:34:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:34:20,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:34:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:34:20,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:34:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:34:20,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:34:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:34:20,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 12:34:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:34:20,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 12:34:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:34:20,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:34:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:34:20,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:34:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:34:20,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:34:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:34:20,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 12:34:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:34:20,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 12:34:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:34:20,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 12:34:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:34:20,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:34:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:34:20,637 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-12-18 12:34:20,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:34:20,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955634949] [2021-12-18 12:34:20,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955634949] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:34:20,637 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:34:20,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 12:34:20,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872094385] [2021-12-18 12:34:20,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:34:20,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 12:34:20,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:34:20,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 12:34:20,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 12:34:20,639 INFO L87 Difference]: Start difference. First operand 6744 states and 9513 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 12:34:52,532 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:35:08,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:35:10,910 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:35:14,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:35:16,363 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:35:19,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:35:47,241 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:35:54,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:35:54,310 INFO L93 Difference]: Finished difference Result 12819 states and 18608 transitions. [2021-12-18 12:35:54,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 12:35:54,311 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 138 [2021-12-18 12:35:54,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:35:54,377 INFO L225 Difference]: With dead ends: 12819 [2021-12-18 12:35:54,377 INFO L226 Difference]: Without dead ends: 12817 [2021-12-18 12:35:54,390 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-18 12:35:54,391 INFO L933 BasicCegarLoop]: 9454 mSDtfsCounter, 11171 mSDsluCounter, 25396 mSDsCounter, 0 mSdLazyCounter, 12416 mSolverCounterSat, 5497 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12406 SdHoareTripleChecker+Valid, 34850 SdHoareTripleChecker+Invalid, 17920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 5497 IncrementalHoareTripleChecker+Valid, 12416 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 91.5s IncrementalHoareTripleChecker+Time [2021-12-18 12:35:54,391 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12406 Valid, 34850 Invalid, 17920 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [5497 Valid, 12416 Invalid, 7 Unknown, 0 Unchecked, 91.5s Time] [2021-12-18 12:35:54,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12817 states. [2021-12-18 12:35:55,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12817 to 11654. [2021-12-18 12:35:55,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11654 states, 7959 states have (on average 1.290991330569167) internal successors, (10275), 8176 states have internal predecessors, (10275), 3025 states have call successors, (3025), 631 states have call predecessors, (3025), 667 states have return successors, (3407), 2983 states have call predecessors, (3407), 3022 states have call successors, (3407) [2021-12-18 12:35:55,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11654 states to 11654 states and 16707 transitions. [2021-12-18 12:35:55,145 INFO L78 Accepts]: Start accepts. Automaton has 11654 states and 16707 transitions. Word has length 138 [2021-12-18 12:35:55,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:35:55,146 INFO L470 AbstractCegarLoop]: Abstraction has 11654 states and 16707 transitions. [2021-12-18 12:35:55,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 12:35:55,146 INFO L276 IsEmpty]: Start isEmpty. Operand 11654 states and 16707 transitions. [2021-12-18 12:35:55,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-12-18 12:35:55,149 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:35:55,149 INFO L514 BasicCegarLoop]: trace histogram [16, 15, 15, 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] [2021-12-18 12:35:55,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-18 12:35:55,150 INFO L402 AbstractCegarLoop]: === Iteration 18 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 12:35:55,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:35:55,150 INFO L85 PathProgramCache]: Analyzing trace with hash 995334597, now seen corresponding path program 1 times [2021-12-18 12:35:55,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:35:55,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859725480] [2021-12-18 12:35:55,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:35:55,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:35:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:55,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:35:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:55,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:35:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:55,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:35:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:55,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:35:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:55,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:35:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:55,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:35:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:55,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 12:35:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:55,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 12:35:55,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:55,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 12:35:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:55,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 12:35:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:55,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 12:35:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:55,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 12:35:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:55,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 12:35:55,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:55,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 12:35:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:55,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 12:35:55,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:55,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 12:35:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:55,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 12:35:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:55,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 12:35:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:55,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 12:35:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:55,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 12:35:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:55,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 12:35:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:55,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 12:35:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:55,670 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-12-18 12:35:55,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:35:55,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859725480] [2021-12-18 12:35:55,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859725480] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:35:55,671 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:35:55,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:35:55,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069030369] [2021-12-18 12:35:55,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:35:55,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:35:55,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:35:55,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:35:55,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:35:55,674 INFO L87 Difference]: Start difference. First operand 11654 states and 16707 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, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 12:35:56,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:35:56,485 INFO L93 Difference]: Finished difference Result 11654 states and 16707 transitions. [2021-12-18 12:35:56,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:35:56,485 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, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 136 [2021-12-18 12:35:56,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:35:56,529 INFO L225 Difference]: With dead ends: 11654 [2021-12-18 12:35:56,530 INFO L226 Difference]: Without dead ends: 11560 [2021-12-18 12:35:56,539 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:35:56,539 INFO L933 BasicCegarLoop]: 8182 mSDtfsCounter, 8138 mSDsluCounter, 16344 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8138 SdHoareTripleChecker+Valid, 24526 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:35:56,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8138 Valid, 24526 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:35:56,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11560 states. [2021-12-18 12:35:57,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11560 to 11560. [2021-12-18 12:35:57,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11560 states, 7901 states have (on average 1.2923680546766232) internal successors, (10211), 8115 states have internal predecessors, (10211), 3005 states have call successors, (3005), 614 states have call predecessors, (3005), 652 states have return successors, (3390), 2967 states have call predecessors, (3390), 3005 states have call successors, (3390) [2021-12-18 12:35:57,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11560 states to 11560 states and 16606 transitions. [2021-12-18 12:35:57,253 INFO L78 Accepts]: Start accepts. Automaton has 11560 states and 16606 transitions. Word has length 136 [2021-12-18 12:35:57,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:35:57,254 INFO L470 AbstractCegarLoop]: Abstraction has 11560 states and 16606 transitions. [2021-12-18 12:35:57,254 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, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 12:35:57,254 INFO L276 IsEmpty]: Start isEmpty. Operand 11560 states and 16606 transitions. [2021-12-18 12:35:57,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-12-18 12:35:57,257 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:35:57,257 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 12:35:57,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-18 12:35:57,258 INFO L402 AbstractCegarLoop]: === Iteration 19 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 12:35:57,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:35:57,258 INFO L85 PathProgramCache]: Analyzing trace with hash 637942638, now seen corresponding path program 1 times [2021-12-18 12:35:57,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:35:57,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27273973] [2021-12-18 12:35:57,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:35:57,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:35:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:57,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:35:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:57,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:35:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:57,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:35:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:57,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:35:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:57,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:35:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:57,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:35:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:57,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 12:35:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:57,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 12:35:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:57,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:35:57,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:57,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:35:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:57,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:35:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:57,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 12:35:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:57,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 12:35:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:57,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:35:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:57,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:35:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:57,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:35:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:57,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 12:35:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:57,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 12:35:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:57,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 12:35:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:57,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 12:35:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:57,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:35:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:35:57,961 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-12-18 12:35:57,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:35:57,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27273973] [2021-12-18 12:35:57,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27273973] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:35:57,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:35:57,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 12:35:57,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761984246] [2021-12-18 12:35:57,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:35:57,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 12:35:57,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:35:57,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 12:35:57,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 12:35:57,964 INFO L87 Difference]: Start difference. First operand 11560 states and 16606 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-18 12:36:25,236 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:36:38,750 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:36:41,041 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:36:43,368 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:36:46,588 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:36:51,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:36:51,314 INFO L93 Difference]: Finished difference Result 12720 states and 18528 transitions. [2021-12-18 12:36:51,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 12:36:51,316 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 151 [2021-12-18 12:36:51,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:36:51,364 INFO L225 Difference]: With dead ends: 12720 [2021-12-18 12:36:51,364 INFO L226 Difference]: Without dead ends: 12718 [2021-12-18 12:36:51,374 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-18 12:36:51,374 INFO L933 BasicCegarLoop]: 7694 mSDtfsCounter, 9893 mSDsluCounter, 15662 mSDsCounter, 0 mSdLazyCounter, 6692 mSolverCounterSat, 4266 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10656 SdHoareTripleChecker+Valid, 23356 SdHoareTripleChecker+Invalid, 10963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4266 IncrementalHoareTripleChecker+Valid, 6692 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.8s IncrementalHoareTripleChecker+Time [2021-12-18 12:36:51,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10656 Valid, 23356 Invalid, 10963 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4266 Valid, 6692 Invalid, 5 Unknown, 0 Unchecked, 51.8s Time] [2021-12-18 12:36:51,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12718 states. [2021-12-18 12:36:52,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12718 to 11651. [2021-12-18 12:36:52,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11651 states, 7958 states have (on average 1.291153556169892) internal successors, (10275), 8175 states have internal predecessors, (10275), 3030 states have call successors, (3030), 627 states have call predecessors, (3030), 661 states have return successors, (3415), 2985 states have call predecessors, (3415), 3030 states have call successors, (3415) [2021-12-18 12:36:52,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11651 states to 11651 states and 16720 transitions. [2021-12-18 12:36:52,099 INFO L78 Accepts]: Start accepts. Automaton has 11651 states and 16720 transitions. Word has length 151 [2021-12-18 12:36:52,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:36:52,100 INFO L470 AbstractCegarLoop]: Abstraction has 11651 states and 16720 transitions. [2021-12-18 12:36:52,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-18 12:36:52,101 INFO L276 IsEmpty]: Start isEmpty. Operand 11651 states and 16720 transitions. [2021-12-18 12:36:52,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-12-18 12:36:52,105 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:36:52,105 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 12:36:52,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-18 12:36:52,106 INFO L402 AbstractCegarLoop]: === Iteration 20 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 12:36:52,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:36:52,106 INFO L85 PathProgramCache]: Analyzing trace with hash 61164923, now seen corresponding path program 1 times [2021-12-18 12:36:52,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:36:52,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993847547] [2021-12-18 12:36:52,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:36:52,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:36:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:36:52,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:36:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:36:52,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:36:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:36:52,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:36:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:36:52,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:36:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:36:52,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:36:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:36:52,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:36:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:36:52,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 12:36:52,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:36:52,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 12:36:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:36:52,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:36:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:36:52,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:36:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:36:52,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:36:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:36:52,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 12:36:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:36:52,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 12:36:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:36:52,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:36:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:36:52,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:36:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:36:52,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:36:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:36:52,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 12:36:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:36:52,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 12:36:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:36:52,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 12:36:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:36:52,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 12:36:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:36:52,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:36:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:36:52,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 12:36:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:36:52,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 12:36:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:36:52,715 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-12-18 12:36:52,716 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:36:52,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993847547] [2021-12-18 12:36:52,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993847547] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:36:52,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:36:52,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 12:36:52,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216612216] [2021-12-18 12:36:52,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:36:52,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 12:36:52,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:36:52,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 12:36:52,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 12:36:52,718 INFO L87 Difference]: Start difference. First operand 11651 states and 16720 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 12:37:22,138 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:37:36,550 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:37:38,628 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:37:41,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:37:43,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:37:45,936 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:37:48,231 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:37:50,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:37:56,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:37:56,809 INFO L93 Difference]: Finished difference Result 12866 states and 18700 transitions. [2021-12-18 12:37:56,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 12:37:56,810 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 162 [2021-12-18 12:37:56,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:37:56,859 INFO L225 Difference]: With dead ends: 12866 [2021-12-18 12:37:56,859 INFO L226 Difference]: Without dead ends: 12864 [2021-12-18 12:37:56,866 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-18 12:37:56,866 INFO L933 BasicCegarLoop]: 7674 mSDtfsCounter, 9859 mSDsluCounter, 15628 mSDsCounter, 0 mSdLazyCounter, 6907 mSolverCounterSat, 4214 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10731 SdHoareTripleChecker+Valid, 23302 SdHoareTripleChecker+Invalid, 11129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4214 IncrementalHoareTripleChecker+Valid, 6907 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.3s IncrementalHoareTripleChecker+Time [2021-12-18 12:37:56,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10731 Valid, 23302 Invalid, 11129 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4214 Valid, 6907 Invalid, 8 Unknown, 0 Unchecked, 62.3s Time] [2021-12-18 12:37:56,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12864 states. [2021-12-18 12:37:57,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12864 to 11793. [2021-12-18 12:37:57,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11793 states, 8038 states have (on average 1.288380194078129) internal successors, (10356), 8255 states have internal predecessors, (10356), 3074 states have call successors, (3074), 645 states have call predecessors, (3074), 679 states have return successors, (3459), 3029 states have call predecessors, (3459), 3074 states have call successors, (3459) [2021-12-18 12:37:57,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11793 states to 11793 states and 16889 transitions. [2021-12-18 12:37:57,422 INFO L78 Accepts]: Start accepts. Automaton has 11793 states and 16889 transitions. Word has length 162 [2021-12-18 12:37:57,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:37:57,423 INFO L470 AbstractCegarLoop]: Abstraction has 11793 states and 16889 transitions. [2021-12-18 12:37:57,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 12:37:57,423 INFO L276 IsEmpty]: Start isEmpty. Operand 11793 states and 16889 transitions. [2021-12-18 12:37:57,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-12-18 12:37:57,428 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:37:57,428 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 12:37:57,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-18 12:37:57,428 INFO L402 AbstractCegarLoop]: === Iteration 21 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 12:37:57,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:37:57,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1005423913, now seen corresponding path program 1 times [2021-12-18 12:37:57,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:37:57,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454191660] [2021-12-18 12:37:57,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:37:57,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:37:57,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:37:57,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:37:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:37:57,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:37:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:37:57,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:37:57,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:37:57,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:37:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:37:57,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:37:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:37:57,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:37:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:37:57,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 12:37:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:37:57,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 12:37:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:37:57,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:37:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:37:57,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:37:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:37:57,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:37:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:37:58,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 12:37:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:37:58,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 12:37:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:37:58,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:37:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:37:58,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:37:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:37:58,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:37:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:37:58,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 12:37:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:37:58,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 12:37:58,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:37:58,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 12:37:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:37:58,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 12:37:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:37:58,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:37:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:37:58,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 12:37:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:37:58,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:37:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:37:58,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 12:37:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:37:58,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:37:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:37:58,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 12:37:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:37:58,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-18 12:37:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:37:58,381 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-12-18 12:37:58,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:37:58,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454191660] [2021-12-18 12:37:58,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454191660] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:37:58,381 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:37:58,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 12:37:58,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008748814] [2021-12-18 12:37:58,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:37:58,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 12:37:58,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:37:58,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 12:37:58,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:37:58,383 INFO L87 Difference]: Start difference. First operand 11793 states and 16889 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-18 12:39:10,837 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:39:13,575 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:40:14,255 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:40:16,555 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:40:18,892 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:40:24,388 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:40:44,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:40:44,753 INFO L93 Difference]: Finished difference Result 16979 states and 25580 transitions. [2021-12-18 12:40:44,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-18 12:40:44,755 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) Word has length 174 [2021-12-18 12:40:44,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:40:44,822 INFO L225 Difference]: With dead ends: 16979 [2021-12-18 12:40:44,823 INFO L226 Difference]: Without dead ends: 16977 [2021-12-18 12:40:44,834 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 59 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2021-12-18 12:40:44,835 INFO L933 BasicCegarLoop]: 7047 mSDtfsCounter, 13667 mSDsluCounter, 17904 mSDsCounter, 0 mSdLazyCounter, 22401 mSolverCounterSat, 10897 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 154.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14887 SdHoareTripleChecker+Valid, 24951 SdHoareTripleChecker+Invalid, 33303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 10897 IncrementalHoareTripleChecker+Valid, 22401 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 162.7s IncrementalHoareTripleChecker+Time [2021-12-18 12:40:44,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14887 Valid, 24951 Invalid, 33303 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [10897 Valid, 22401 Invalid, 5 Unknown, 0 Unchecked, 162.7s Time] [2021-12-18 12:40:44,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16977 states. [2021-12-18 12:40:45,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16977 to 13844. [2021-12-18 12:40:45,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13844 states, 9464 states have (on average 1.2902578191039729) internal successors, (12211), 9724 states have internal predecessors, (12211), 3643 states have call successors, (3643), 645 states have call predecessors, (3643), 735 states have return successors, (4239), 3631 states have call predecessors, (4239), 3643 states have call successors, (4239) [2021-12-18 12:40:45,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13844 states to 13844 states and 20093 transitions. [2021-12-18 12:40:45,678 INFO L78 Accepts]: Start accepts. Automaton has 13844 states and 20093 transitions. Word has length 174 [2021-12-18 12:40:45,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:40:45,679 INFO L470 AbstractCegarLoop]: Abstraction has 13844 states and 20093 transitions. [2021-12-18 12:40:45,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-18 12:40:45,679 INFO L276 IsEmpty]: Start isEmpty. Operand 13844 states and 20093 transitions. [2021-12-18 12:40:45,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-12-18 12:40:45,686 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:40:45,686 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 12:40:45,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-18 12:40:45,687 INFO L402 AbstractCegarLoop]: === Iteration 22 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 12:40:45,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:40:45,687 INFO L85 PathProgramCache]: Analyzing trace with hash -2057845971, now seen corresponding path program 1 times [2021-12-18 12:40:45,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:40:45,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060939090] [2021-12-18 12:40:45,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:40:45,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:40:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:40:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:40:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:40:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:40:46,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:40:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:40:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 12:40:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 12:40:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:40:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:40:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:40:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 12:40:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 12:40:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:40:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:40:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:40:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 12:40:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 12:40:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 12:40:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 12:40:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:40:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 12:40:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:40:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 12:40:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:40:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 12:40:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 12:40:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-18 12:40:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:40:46,545 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-12-18 12:40:46,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:40:46,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060939090] [2021-12-18 12:40:46,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060939090] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:40:46,545 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:40:46,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 12:40:46,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696742344] [2021-12-18 12:40:46,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:40:46,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 12:40:46,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:40:46,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 12:40:46,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 12:40:46,547 INFO L87 Difference]: Start difference. First operand 13844 states and 20093 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 3 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 12:41:51,918 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:42:28,466 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:42:30,571 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:42:32,671 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:42:37,928 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:42:40,273 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:42:58,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:42:58,097 INFO L93 Difference]: Finished difference Result 19923 states and 30500 transitions. [2021-12-18 12:42:58,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 12:42:58,100 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 3 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) Word has length 185 [2021-12-18 12:42:58,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:42:58,184 INFO L225 Difference]: With dead ends: 19923 [2021-12-18 12:42:58,184 INFO L226 Difference]: Without dead ends: 19921 [2021-12-18 12:42:58,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-12-18 12:42:58,198 INFO L933 BasicCegarLoop]: 7338 mSDtfsCounter, 7604 mSDsluCounter, 19191 mSDsCounter, 0 mSdLazyCounter, 17025 mSolverCounterSat, 5529 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 122.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8394 SdHoareTripleChecker+Valid, 26529 SdHoareTripleChecker+Invalid, 22560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 5529 IncrementalHoareTripleChecker+Valid, 17025 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 128.5s IncrementalHoareTripleChecker+Time [2021-12-18 12:42:58,198 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8394 Valid, 26529 Invalid, 22560 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [5529 Valid, 17025 Invalid, 6 Unknown, 0 Unchecked, 128.5s Time] [2021-12-18 12:42:58,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19921 states. [2021-12-18 12:42:59,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19921 to 15596. [2021-12-18 12:42:59,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15596 states, 10732 states have (on average 1.29388743943347) internal successors, (13886), 11038 states have internal predecessors, (13886), 4102 states have call successors, (4102), 645 states have call predecessors, (4102), 760 states have return successors, (4878), 4084 states have call predecessors, (4878), 4102 states have call successors, (4878) [2021-12-18 12:42:59,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15596 states to 15596 states and 22866 transitions. [2021-12-18 12:42:59,262 INFO L78 Accepts]: Start accepts. Automaton has 15596 states and 22866 transitions. Word has length 185 [2021-12-18 12:42:59,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:42:59,263 INFO L470 AbstractCegarLoop]: Abstraction has 15596 states and 22866 transitions. [2021-12-18 12:42:59,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 3 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (25), 2 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 12:42:59,263 INFO L276 IsEmpty]: Start isEmpty. Operand 15596 states and 22866 transitions. [2021-12-18 12:42:59,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-18 12:42:59,274 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:42:59,275 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 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] [2021-12-18 12:42:59,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-18 12:42:59,275 INFO L402 AbstractCegarLoop]: === Iteration 23 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 12:42:59,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:42:59,276 INFO L85 PathProgramCache]: Analyzing trace with hash -30749461, now seen corresponding path program 1 times [2021-12-18 12:42:59,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:42:59,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088103670] [2021-12-18 12:42:59,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:42:59,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:42:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:42:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:42:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 12:42:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:42:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-18 12:42:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 12:42:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 12:42:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 12:42:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:42:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:42:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:42:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 12:42:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 12:42:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:42:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:42:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:42:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 12:42:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 12:42:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 12:42:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 12:42:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:42:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 12:42:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 12:42:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-18 12:42:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:42:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:42:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 12:42:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 12:42:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:43:00,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:43:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:43:00,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 12:43:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:43:00,819 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-12-18 12:43:00,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:43:00,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088103670] [2021-12-18 12:43:00,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088103670] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:43:00,820 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:43:00,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 12:43:00,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052850940] [2021-12-18 12:43:00,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:43:00,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 12:43:00,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:43:00,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 12:43:00,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-12-18 12:43:00,821 INFO L87 Difference]: Start difference. First operand 15596 states and 22866 transitions. Second operand has 10 states, 9 states have (on average 11.11111111111111) internal successors, (100), 6 states have internal predecessors, (100), 3 states have call successors, (32), 4 states have call predecessors, (32), 3 states have return successors, (27), 4 states have call predecessors, (27), 2 states have call successors, (27) Killed by 15