./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.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 c6518a0e540cf5b0e501bfef1f14c8079cbe578d9beced5375873c789156537b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 11:52:41,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 11:52:41,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 11:52:41,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 11:52:41,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 11:52:41,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 11:52:41,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 11:52:41,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 11:52:41,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 11:52:41,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 11:52:41,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 11:52:41,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 11:52:41,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 11:52:41,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 11:52:41,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 11:52:41,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 11:52:41,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 11:52:41,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 11:52:41,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 11:52:41,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 11:52:41,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 11:52:41,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 11:52:41,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 11:52:41,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 11:52:41,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 11:52:41,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 11:52:41,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 11:52:41,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 11:52:41,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 11:52:41,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 11:52:41,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 11:52:41,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 11:52:41,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 11:52:41,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 11:52:41,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 11:52:41,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 11:52:41,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 11:52:41,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 11:52:41,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 11:52:41,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 11:52:41,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 11:52:41,278 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 11:52:41,297 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 11:52:41,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 11:52:41,298 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 11:52:41,298 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 11:52:41,299 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 11:52:41,299 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 11:52:41,299 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 11:52:41,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 11:52:41,300 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 11:52:41,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 11:52:41,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 11:52:41,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 11:52:41,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 11:52:41,301 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 11:52:41,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 11:52:41,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 11:52:41,301 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 11:52:41,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 11:52:41,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 11:52:41,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 11:52:41,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 11:52:41,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 11:52:41,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 11:52:41,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 11:52:41,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 11:52:41,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 11:52:41,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 11:52:41,304 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 11:52:41,304 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 11:52:41,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 11:52:41,304 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 11:52:41,304 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6518a0e540cf5b0e501bfef1f14c8079cbe578d9beced5375873c789156537b [2021-11-17 11:52:41,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 11:52:41,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 11:52:41,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 11:52:41,503 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 11:52:41,504 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 11:52:41,504 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i [2021-11-17 11:52:41,560 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0926e5420/13b30537c26a42f3b1fb2f1ad3cdc8ed/FLAG4f41a767a [2021-11-17 11:52:42,415 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 11:52:42,415 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i [2021-11-17 11:52:42,488 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0926e5420/13b30537c26a42f3b1fb2f1ad3cdc8ed/FLAG4f41a767a [2021-11-17 11:52:42,528 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0926e5420/13b30537c26a42f3b1fb2f1ad3cdc8ed [2021-11-17 11:52:42,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 11:52:42,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 11:52:42,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 11:52:42,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 11:52:42,533 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 11:52:42,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:52:42" (1/1) ... [2021-11-17 11:52:42,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@710431c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:52:42, skipping insertion in model container [2021-11-17 11:52:42,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:52:42" (1/1) ... [2021-11-17 11:52:42,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 11:52:42,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 11:52:55,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i[1081958,1081971] [2021-11-17 11:52:56,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i[1082127,1082140] [2021-11-17 11:52:56,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i[1082294,1082307] [2021-11-17 11:52:56,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i[1082462,1082475] [2021-11-17 11:52:56,049 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 11:52:56,090 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 11:52:57,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i[1081958,1081971] [2021-11-17 11:52:57,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i[1082127,1082140] [2021-11-17 11:52:57,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i[1082294,1082307] [2021-11-17 11:52:57,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i[1082462,1082475] [2021-11-17 11:52:57,386 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 11:52:57,675 INFO L208 MainTranslator]: Completed translation [2021-11-17 11:52:57,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:52:57 WrapperNode [2021-11-17 11:52:57,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 11:52:57,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 11:52:57,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 11:52:57,677 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 11:52:57,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:52:57" (1/1) ... [2021-11-17 11:52:57,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:52:57" (1/1) ... [2021-11-17 11:52:58,341 INFO L137 Inliner]: procedures = 1098, calls = 15640, calls flagged for inlining = 568, calls inlined = 532, statements flattened = 36903 [2021-11-17 11:52:58,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 11:52:58,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 11:52:58,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 11:52:58,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 11:52:58,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:52:57" (1/1) ... [2021-11-17 11:52:58,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:52:57" (1/1) ... [2021-11-17 11:52:58,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:52:57" (1/1) ... [2021-11-17 11:52:58,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:52:57" (1/1) ... [2021-11-17 11:52:58,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:52:57" (1/1) ... [2021-11-17 11:52:59,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:52:57" (1/1) ... [2021-11-17 11:52:59,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:52:57" (1/1) ... [2021-11-17 11:52:59,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 11:52:59,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 11:52:59,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 11:52:59,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 11:52:59,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:52:57" (1/1) ... [2021-11-17 11:52:59,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 11:52:59,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 11:52:59,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 11:52:59,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 11:52:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure __tg3_writephy [2021-11-17 11:52:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __tg3_writephy [2021-11-17 11:52:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_pwrsrc_die_with_vmain [2021-11-17 11:52:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_pwrsrc_die_with_vmain [2021-11-17 11:52:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_warn_mgmt_link_flap [2021-11-17 11:52:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_warn_mgmt_link_flap [2021-11-17 11:52:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-17 11:52:59,539 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-17 11:52:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_restart_hw [2021-11-17 11:52:59,539 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_restart_hw [2021-11-17 11:52:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_get_57780_nvram_info [2021-11-17 11:52:59,539 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_get_57780_nvram_info [2021-11-17 11:52:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_toggle_apd [2021-11-17 11:52:59,539 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_toggle_apd [2021-11-17 11:52:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-17 11:52:59,539 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-17 11:52:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ints_fini [2021-11-17 11:52:59,540 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ints_fini [2021-11-17 11:52:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_read_mem [2021-11-17 11:52:59,540 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_read_mem [2021-11-17 11:52:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_tx_timeout [2021-11-17 11:52:59,540 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_tx_timeout [2021-11-17 11:52:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_alloc_rx_data [2021-11-17 11:52:59,540 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_alloc_rx_data [2021-11-17 11:52:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2021-11-17 11:52:59,541 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2021-11-17 11:52:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_chip_reset [2021-11-17 11:52:59,541 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_chip_reset [2021-11-17 11:52:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 11:52:59,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 11:52:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_disable_nvram_access [2021-11-17 11:52:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_disable_nvram_access [2021-11-17 11:52:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure pdev_is_ssb_gige_core [2021-11-17 11:52:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure pdev_is_ssb_gige_core [2021-11-17 11:52:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_mem_rx_release [2021-11-17 11:52:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_mem_rx_release [2021-11-17 11:52:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 11:52:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 11:52:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 11:52:59,543 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 11:52:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start_aneg [2021-11-17 11:52:59,543 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start_aneg [2021-11-17 11:52:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_set_function_status [2021-11-17 11:52:59,543 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_set_function_status [2021-11-17 11:52:59,543 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-11-17 11:52:59,544 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-11-17 11:52:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-11-17 11:52:59,544 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-11-17 11:52:59,544 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_auxctl_write [2021-11-17 11:52:59,544 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_auxctl_write [2021-11-17 11:52:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-17 11:52:59,545 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_rx_queues [2021-11-17 11:52:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_rx_queues [2021-11-17 11:52:59,546 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ape_otp_read [2021-11-17 11:52:59,546 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ape_otp_read [2021-11-17 11:52:59,546 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_pause_cpu [2021-11-17 11:52:59,546 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_pause_cpu [2021-11-17 11:52:59,546 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-17 11:52:59,547 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-17 11:52:59,547 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-17 11:52:59,547 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-17 11:52:59,547 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_rx_prodring_fini [2021-11-17 11:52:59,547 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_rx_prodring_fini [2021-11-17 11:52:59,547 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_bmcr_reset [2021-11-17 11:52:59,547 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_bmcr_reset [2021-11-17 11:52:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2021-11-17 11:52:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2021-11-17 11:52:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-17 11:52:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-17 11:52:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-17 11:52:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-17 11:52:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nvram_get_pagesize [2021-11-17 11:52:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nvram_get_pagesize [2021-11-17 11:52:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-11-17 11:52:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-11-17 11:52:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_clear_mac_status [2021-11-17 11:52:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_clear_mac_status [2021-11-17 11:52:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_readphy [2021-11-17 11:52:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_readphy [2021-11-17 11:52:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_reset [2021-11-17 11:52:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_reset [2021-11-17 11:52:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_write_mem [2021-11-17 11:52:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_write_mem [2021-11-17 11:52:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-17 11:52:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-17 11:52:59,551 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 11:52:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 11:52:59,552 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nvram_read [2021-11-17 11:52:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nvram_read [2021-11-17 11:52:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_mac_loopback [2021-11-17 11:52:59,553 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_mac_loopback [2021-11-17 11:52:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure _tg3_flag_clear [2021-11-17 11:52:59,553 INFO L138 BoogieDeclarations]: Found implementation of procedure _tg3_flag_clear [2021-11-17 11:52:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_chk_missed_msi [2021-11-17 11:52:59,553 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_chk_missed_msi [2021-11-17 11:52:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 11:52:59,554 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 11:52:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-11-17 11:52:59,554 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-11-17 11:52:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_link_report [2021-11-17 11:52:59,554 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_link_report [2021-11-17 11:52:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-17 11:52:59,554 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-17 11:52:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_writephy [2021-11-17 11:52:59,554 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_writephy [2021-11-17 11:52:59,555 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 11:52:59,555 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 11:52:59,555 INFO L130 BoogieDeclarations]: Found specification of procedure _tg3_flag [2021-11-17 11:52:59,555 INFO L138 BoogieDeclarations]: Found implementation of procedure _tg3_flag [2021-11-17 11:52:59,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 11:52:59,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 11:52:59,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 11:52:59,556 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2021-11-17 11:52:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2021-11-17 11:52:59,559 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_set_rx_mode [2021-11-17 11:52:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_set_rx_mode [2021-11-17 11:52:59,559 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-17 11:52:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-17 11:52:59,560 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_reset_task_schedule [2021-11-17 11:52:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_reset_task_schedule [2021-11-17 11:52:59,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 11:52:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 11:52:59,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tg3 [2021-11-17 11:52:59,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tg3 [2021-11-17 11:52:59,564 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-17 11:52:59,564 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-17 11:52:59,564 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-17 11:52:59,565 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-17 11:52:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_start [2021-11-17 11:52:59,565 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_start [2021-11-17 11:52:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 11:52:59,565 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 11:52:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-17 11:52:59,565 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-17 11:52:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-11-17 11:52:59,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-11-17 11:52:59,566 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_abort_hw [2021-11-17 11:52:59,566 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_abort_hw [2021-11-17 11:52:59,566 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_free_rings [2021-11-17 11:52:59,566 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_free_rings [2021-11-17 11:52:59,566 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nway_reset [2021-11-17 11:52:59,566 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nway_reset [2021-11-17 11:52:59,566 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_mdio_fini [2021-11-17 11:52:59,566 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_mdio_fini [2021-11-17 11:52:59,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 11:52:59,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 11:52:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 11:52:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure strncat [2021-11-17 11:52:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ptp_resume [2021-11-17 11:52:59,567 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ptp_resume [2021-11-17 11:52:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 11:52:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ioremap_bar [2021-11-17 11:52:59,567 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ioremap_bar [2021-11-17 11:52:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_mem_tx_release [2021-11-17 11:52:59,567 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_mem_tx_release [2021-11-17 11:52:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 11:52:59,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 11:52:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 11:52:59,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 11:52:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 11:52:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-17 11:52:59,568 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-17 11:52:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 11:52:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_frob_aux_power [2021-11-17 11:52:59,569 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_frob_aux_power [2021-11-17 11:52:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_mdio_config_5785 [2021-11-17 11:52:59,569 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_mdio_config_5785 [2021-11-17 11:52:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-17 11:52:59,569 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-17 11:52:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-17 11:52:59,569 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-17 11:52:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure pci_device_is_present [2021-11-17 11:52:59,569 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_device_is_present [2021-11-17 11:52:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nvram_exec_cmd [2021-11-17 11:52:59,570 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nvram_exec_cmd [2021-11-17 11:52:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nvram_write_block_buffered [2021-11-17 11:52:59,570 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nvram_write_block_buffered [2021-11-17 11:52:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_issue_otp_command [2021-11-17 11:52:59,570 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_issue_otp_command [2021-11-17 11:52:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_frag_free [2021-11-17 11:52:59,570 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_frag_free [2021-11-17 11:52:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ape_lock [2021-11-17 11:52:59,570 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ape_lock [2021-11-17 11:52:59,571 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-17 11:52:59,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-17 11:52:59,571 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 11:52:59,572 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 11:52:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_read_indirect_reg32 [2021-11-17 11:52:59,572 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_read_indirect_reg32 [2021-11-17 11:52:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-17 11:52:59,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-17 11:52:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2021-11-17 11:52:59,573 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2021-11-17 11:52:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_set_wirespeed [2021-11-17 11:52:59,573 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_set_wirespeed [2021-11-17 11:52:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ape_driver_state_change [2021-11-17 11:52:59,573 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ape_driver_state_change [2021-11-17 11:52:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_timer_start [2021-11-17 11:52:59,573 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_timer_start [2021-11-17 11:52:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_shutdown [2021-11-17 11:52:59,573 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_shutdown [2021-11-17 11:52:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 11:52:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 11:52:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ape_read32 [2021-11-17 11:52:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ape_read32 [2021-11-17 11:52:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_rx_data_free [2021-11-17 11:52:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_rx_data_free [2021-11-17 11:52:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 11:52:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 11:52:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_rx_prodring_free [2021-11-17 11:52:59,574 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_rx_prodring_free [2021-11-17 11:52:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-17 11:52:59,575 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-17 11:52:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_autoneg_cfg [2021-11-17 11:52:59,575 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_autoneg_cfg [2021-11-17 11:52:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-17 11:52:59,575 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-17 11:52:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2021-11-17 11:52:59,575 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2021-11-17 11:52:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_load_firmware_cpu [2021-11-17 11:52:59,575 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_load_firmware_cpu [2021-11-17 11:52:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 11:52:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_adjust_link [2021-11-17 11:52:59,576 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_adjust_link [2021-11-17 11:52:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_halt [2021-11-17 11:52:59,576 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_halt [2021-11-17 11:52:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 11:52:59,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 11:52:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-17 11:52:59,576 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-17 11:52:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2021-11-17 11:52:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2021-11-17 11:52:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_pwrsrc_switch_to_vaux [2021-11-17 11:52:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_pwrsrc_switch_to_vaux [2021-11-17 11:52:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-17 11:52:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-17 11:52:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_wait_for_event_ack [2021-11-17 11:52:59,577 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_wait_for_event_ack [2021-11-17 11:52:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-17 11:52:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_test_interrupt [2021-11-17 11:52:59,580 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_test_interrupt [2021-11-17 11:52:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phydsp_write [2021-11-17 11:52:59,580 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phydsp_write [2021-11-17 11:52:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-17 11:52:59,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-17 11:52:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_mdio_start [2021-11-17 11:52:59,581 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_mdio_start [2021-11-17 11:52:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_rxcpu_resume [2021-11-17 11:52:59,581 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_rxcpu_resume [2021-11-17 11:52:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_request_irq [2021-11-17 11:52:59,582 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_request_irq [2021-11-17 11:52:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-17 11:52:59,583 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-17 11:52:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-17 11:52:59,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-17 11:52:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 11:52:59,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 11:52:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_napi_fini [2021-11-17 11:52:59,583 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_napi_fini [2021-11-17 11:52:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure pcie_capability_clear_and_set_word [2021-11-17 11:52:59,583 INFO L138 BoogieDeclarations]: Found implementation of procedure pcie_capability_clear_and_set_word [2021-11-17 11:52:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-17 11:52:59,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-17 11:52:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-17 11:52:59,584 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-17 11:52:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure __tg3_readphy [2021-11-17 11:52:59,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __tg3_readphy [2021-11-17 11:52:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_get_estats [2021-11-17 11:52:59,584 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_get_estats [2021-11-17 11:52:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_free_consistent [2021-11-17 11:52:59,584 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_free_consistent [2021-11-17 11:52:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 11:52:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_napi_enable [2021-11-17 11:52:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_napi_enable [2021-11-17 11:52:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_tx_skb_unmap [2021-11-17 11:52:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_tx_skb_unmap [2021-11-17 11:52:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_tx_avail [2021-11-17 11:52:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_tx_avail [2021-11-17 11:52:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 11:52:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_start [2021-11-17 11:52:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_start [2021-11-17 11:52:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-17 11:52:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-17 11:52:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_write_sig_post_reset [2021-11-17 11:52:59,586 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_write_sig_post_reset [2021-11-17 11:52:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-17 11:52:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 11:52:59,586 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 11:52:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-17 11:52:59,586 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-17 11:52:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 11:52:59,586 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 11:52:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_power_up [2021-11-17 11:52:59,587 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_power_up [2021-11-17 11:52:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_vpd_readblock [2021-11-17 11:52:59,587 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_vpd_readblock [2021-11-17 11:52:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 11:52:59,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 11:52:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_write_sig_pre_reset [2021-11-17 11:52:59,587 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_write_sig_pre_reset [2021-11-17 11:52:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_init_hw [2021-11-17 11:52:59,587 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_init_hw [2021-11-17 11:52:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-11-17 11:52:59,587 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-11-17 11:52:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_92 [2021-11-17 11:52:59,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_92 [2021-11-17 11:52:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-17 11:52:59,588 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-17 11:52:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_adv_to_mii_adv_t [2021-11-17 11:52:59,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_adv_to_mii_adv_t [2021-11-17 11:52:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure pci_channel_offline [2021-11-17 11:52:59,588 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_channel_offline [2021-11-17 11:52:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_setup_flow_control [2021-11-17 11:52:59,588 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_setup_flow_control [2021-11-17 11:52:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_set_bdinfo [2021-11-17 11:52:59,589 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_set_bdinfo [2021-11-17 11:52:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-11-17 11:52:59,589 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-11-17 11:52:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 11:52:59,589 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 11:52:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure __tg3_set_mac_addr [2021-11-17 11:52:59,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __tg3_set_mac_addr [2021-11-17 11:52:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_tag [2021-11-17 11:52:59,589 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_tag [2021-11-17 11:52:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure _tg3_flag_set [2021-11-17 11:52:59,590 INFO L138 BoogieDeclarations]: Found implementation of procedure _tg3_flag_set [2021-11-17 11:52:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 11:52:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_refclk_write [2021-11-17 11:52:59,590 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_refclk_write [2021-11-17 11:52:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_eee_pull_config [2021-11-17 11:52:59,590 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_eee_pull_config [2021-11-17 11:52:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_pause_cpu_and_set_pc [2021-11-17 11:52:59,590 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_pause_cpu_and_set_pc [2021-11-17 11:52:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_resume_cpu [2021-11-17 11:52:59,590 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_resume_cpu [2021-11-17 11:52:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 11:52:59,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 11:52:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_power_down_prepare [2021-11-17 11:52:59,591 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_power_down_prepare [2021-11-17 11:52:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nvram_lock [2021-11-17 11:52:59,591 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nvram_lock [2021-11-17 11:52:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2021-11-17 11:52:59,591 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2021-11-17 11:52:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_enable_ints [2021-11-17 11:52:59,591 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_enable_ints [2021-11-17 11:52:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_99 [2021-11-17 11:52:59,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_99 [2021-11-17 11:52:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-17 11:52:59,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-17 11:52:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_do_test_dma [2021-11-17 11:52:59,592 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_do_test_dma [2021-11-17 11:52:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_poll_fw [2021-11-17 11:52:59,592 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_poll_fw [2021-11-17 11:52:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_toggle_auxctl_smdsp [2021-11-17 11:52:59,592 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_toggle_auxctl_smdsp [2021-11-17 11:52:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure pcie_capability_clear_word [2021-11-17 11:52:59,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pcie_capability_clear_word [2021-11-17 11:52:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-17 11:52:59,593 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-17 11:52:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2021-11-17 11:52:59,593 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2021-11-17 11:52:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-11-17 11:52:59,593 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-11-17 11:52:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nvram_phys_addr [2021-11-17 11:52:59,593 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nvram_phys_addr [2021-11-17 11:52:59,593 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-17 11:52:59,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-17 11:52:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_5700_link_polarity [2021-11-17 11:52:59,594 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_5700_link_polarity [2021-11-17 11:52:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2021-11-17 11:52:59,594 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2021-11-17 11:52:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_adv_to_mii_ctrl1000_t [2021-11-17 11:52:59,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_adv_to_mii_ctrl1000_t [2021-11-17 11:52:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_enable_register_access [2021-11-17 11:52:59,594 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_enable_register_access [2021-11-17 11:52:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-17 11:52:59,594 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-17 11:52:59,595 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-17 11:52:59,595 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-17 11:52:59,595 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-17 11:52:59,595 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-17 11:52:59,595 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2021-11-17 11:52:59,595 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2021-11-17 11:52:59,595 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_stop [2021-11-17 11:52:59,595 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_stop [2021-11-17 11:52:59,595 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_stop_block [2021-11-17 11:52:59,595 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_stop_block [2021-11-17 11:52:59,596 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ape_scratchpad_read [2021-11-17 11:52:59,596 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ape_scratchpad_read [2021-11-17 11:52:59,596 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-17 11:52:59,596 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-17 11:52:59,596 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-17 11:52:59,596 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-17 11:52:59,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 11:52:59,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 11:52:59,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_81 [2021-11-17 11:52:59,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_81 [2021-11-17 11:52:59,596 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-11-17 11:52:59,597 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-11-17 11:52:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_init_5401phy_dsp [2021-11-17 11:52:59,597 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_init_5401phy_dsp [2021-11-17 11:52:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_open [2021-11-17 11:52:59,597 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_open [2021-11-17 11:52:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_setup_eee [2021-11-17 11:52:59,597 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_setup_eee [2021-11-17 11:52:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 11:52:59,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 11:52:59,597 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-17 11:52:59,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-17 11:52:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-17 11:52:59,598 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-17 11:52:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_remove_one [2021-11-17 11:52:59,598 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_remove_one [2021-11-17 11:52:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure mmd_eee_adv_to_ethtool_adv_t [2021-11-17 11:52:59,598 INFO L138 BoogieDeclarations]: Found implementation of procedure mmd_eee_adv_to_ethtool_adv_t [2021-11-17 11:52:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-17 11:52:59,598 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-17 11:52:59,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_indirect_lock_of_tg3 [2021-11-17 11:52:59,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_indirect_lock_of_tg3 [2021-11-17 11:52:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_tso_bug [2021-11-17 11:52:59,599 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_tso_bug [2021-11-17 11:52:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-17 11:52:59,599 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-17 11:52:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 11:52:59,599 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 11:52:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_lrdt_size [2021-11-17 11:52:59,599 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_lrdt_size [2021-11-17 11:52:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_set_mtu [2021-11-17 11:52:59,599 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_set_mtu [2021-11-17 11:52:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-11-17 11:52:59,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-11-17 11:52:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_reset_hw [2021-11-17 11:52:59,600 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_reset_hw [2021-11-17 11:52:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 11:52:59,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 11:52:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_dump_legacy_regs [2021-11-17 11:52:59,600 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_dump_legacy_regs [2021-11-17 11:52:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-17 11:52:59,600 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-17 11:52:59,600 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_start_xmit [2021-11-17 11:52:59,601 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_start_xmit [2021-11-17 11:52:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 11:52:59,601 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 11:52:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 11:52:59,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 11:52:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_dump_state [2021-11-17 11:52:59,601 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_dump_state [2021-11-17 11:52:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_advert_flowctrl_1000X [2021-11-17 11:52:59,601 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_advert_flowctrl_1000X [2021-11-17 11:52:59,601 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-17 11:52:59,602 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-17 11:52:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 11:52:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2021-11-17 11:52:59,602 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2021-11-17 11:52:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 11:52:59,602 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 11:52:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2021-11-17 11:52:59,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2021-11-17 11:52:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 11:52:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-17 11:52:59,602 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-17 11:52:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_get_eeprom_size [2021-11-17 11:52:59,603 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_get_eeprom_size [2021-11-17 11:52:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 11:52:59,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 11:52:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 11:52:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_get_eeprom_len [2021-11-17 11:52:59,603 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_get_eeprom_len [2021-11-17 11:52:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_netif_start [2021-11-17 11:52:59,603 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_netif_start [2021-11-17 11:52:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_toggle_automdix [2021-11-17 11:52:59,604 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_toggle_automdix [2021-11-17 11:52:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure __tg3_set_coalesce [2021-11-17 11:52:59,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __tg3_set_coalesce [2021-11-17 11:52:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_io_resume [2021-11-17 11:52:59,604 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_io_resume [2021-11-17 11:52:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 11:52:59,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 11:52:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_queue_mapping [2021-11-17 11:52:59,604 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_queue_mapping [2021-11-17 11:52:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_close [2021-11-17 11:52:59,605 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_close [2021-11-17 11:52:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 11:52:59,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 11:52:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-17 11:52:59,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-17 11:52:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure mii_advertise_flowctrl [2021-11-17 11:52:59,605 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_advertise_flowctrl [2021-11-17 11:52:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-17 11:52:59,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-17 11:52:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_93 [2021-11-17 11:52:59,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_93 [2021-11-17 11:52:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_resume [2021-11-17 11:52:59,606 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_resume [2021-11-17 11:52:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_tx_set_bd [2021-11-17 11:52:59,606 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_tx_set_bd [2021-11-17 11:52:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_pwrsrc_switch_to_vmain [2021-11-17 11:52:59,606 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_pwrsrc_switch_to_vmain [2021-11-17 11:52:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nvram_logical_addr [2021-11-17 11:52:59,606 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nvram_logical_addr [2021-11-17 11:52:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2021-11-17 11:52:59,606 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2021-11-17 11:52:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2021-11-17 11:52:59,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2021-11-17 11:52:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure __tg3_set_rx_mode [2021-11-17 11:52:59,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __tg3_set_rx_mode [2021-11-17 11:52:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_write_sig_legacy [2021-11-17 11:52:59,607 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_write_sig_legacy [2021-11-17 11:52:59,609 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-17 11:52:59,610 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-17 11:52:59,610 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 11:52:59,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 11:52:59,610 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 11:52:59,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 11:52:59,610 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_generate_fw_event [2021-11-17 11:52:59,610 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_generate_fw_event [2021-11-17 11:52:59,610 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2021-11-17 11:52:59,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2021-11-17 11:52:59,610 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_timer_stop [2021-11-17 11:52:59,611 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_timer_stop [2021-11-17 11:52:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_stop [2021-11-17 11:52:59,611 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_stop [2021-11-17 11:52:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-17 11:52:59,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-17 11:52:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_get_nstats [2021-11-17 11:52:59,611 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_get_nstats [2021-11-17 11:52:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-17 11:52:59,611 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-17 11:52:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-17 11:52:59,612 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-17 11:52:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure calc_crc [2021-11-17 11:52:59,612 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_crc [2021-11-17 11:52:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_rss_write_indir_tbl [2021-11-17 11:52:59,612 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_rss_write_indir_tbl [2021-11-17 11:52:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-17 11:52:59,612 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-17 11:52:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_netif_stop [2021-11-17 11:52:59,612 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_netif_stop [2021-11-17 11:52:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-17 11:52:59,613 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-17 11:52:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-17 11:52:59,613 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-17 11:52:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_tx_frag_set [2021-11-17 11:52:59,613 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_tx_frag_set [2021-11-17 11:52:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_set_loopback [2021-11-17 11:52:59,613 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_set_loopback [2021-11-17 11:52:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_irq_sync [2021-11-17 11:52:59,613 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_irq_sync [2021-11-17 11:52:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_stop_fw [2021-11-17 11:52:59,614 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_stop_fw [2021-11-17 11:52:59,614 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-17 11:52:59,614 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-17 11:52:59,614 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-17 11:52:59,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-17 11:52:59,614 INFO L130 BoogieDeclarations]: Found specification of procedure pcie_capability_set_word [2021-11-17 11:52:59,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pcie_capability_set_word [2021-11-17 11:52:59,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-17 11:52:59,614 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-17 11:52:59,614 INFO L130 BoogieDeclarations]: Found specification of procedure mii_adv_to_ethtool_adv_t [2021-11-17 11:52:59,614 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_adv_to_ethtool_adv_t [2021-11-17 11:52:59,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 11:52:59,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 11:52:59,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 11:52:59,615 INFO L130 BoogieDeclarations]: Found specification of procedure mii_adv_to_ethtool_adv_x [2021-11-17 11:52:59,615 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_adv_to_ethtool_adv_x [2021-11-17 11:52:59,615 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_has_work [2021-11-17 11:52:59,615 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_has_work [2021-11-17 11:52:59,615 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_run_loopback [2021-11-17 11:52:59,615 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_run_loopback [2021-11-17 11:52:59,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 11:52:59,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 11:52:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-17 11:52:59,616 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-17 11:52:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_lso_rd_dma_workaround_bit [2021-11-17 11:52:59,616 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_lso_rd_dma_workaround_bit [2021-11-17 11:52:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2021-11-17 11:52:59,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2021-11-17 11:52:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-17 11:52:59,616 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-17 11:52:59,616 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-17 11:52:59,617 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-17 11:52:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_rss_init_dflt_indir_tbl [2021-11-17 11:52:59,617 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_rss_init_dflt_indir_tbl [2021-11-17 11:52:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_lpbk_set [2021-11-17 11:52:59,617 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_lpbk_set [2021-11-17 11:52:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_set_multi [2021-11-17 11:52:59,617 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_set_multi [2021-11-17 11:52:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ape_unlock [2021-11-17 11:52:59,617 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ape_unlock [2021-11-17 11:52:59,617 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_auxctl_read [2021-11-17 11:52:59,617 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_auxctl_read [2021-11-17 11:52:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-17 11:52:59,618 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-17 11:52:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_tx_queues [2021-11-17 11:52:59,618 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_tx_queues [2021-11-17 11:52:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-11-17 11:52:59,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-11-17 11:52:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_present [2021-11-17 11:52:59,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_present [2021-11-17 11:52:59,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-17 11:52:59,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-17 11:52:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-17 11:52:59,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-17 11:52:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure tw32_mailbox_flush [2021-11-17 11:52:59,619 INFO L138 BoogieDeclarations]: Found implementation of procedure tw32_mailbox_flush [2021-11-17 11:52:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-17 11:52:59,619 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-17 11:52:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-17 11:52:59,619 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-17 11:52:59,619 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 11:52:59,619 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 11:52:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ape_event_lock [2021-11-17 11:52:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ape_event_lock [2021-11-17 11:52:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ump_link_report [2021-11-17 11:52:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ump_link_report [2021-11-17 11:52:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-17 11:52:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-17 11:52:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 11:52:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure __tg3_set_one_mac_addr [2021-11-17 11:52:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __tg3_set_one_mac_addr [2021-11-17 11:52:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-17 11:52:59,621 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-17 11:52:59,621 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2021-11-17 11:52:59,621 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2021-11-17 11:52:59,621 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 11:52:59,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 11:52:59,621 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-11-17 11:52:59,621 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-11-17 11:52:59,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-17 11:52:59,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-17 11:52:59,621 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_napi_disable [2021-11-17 11:52:59,621 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_napi_disable [2021-11-17 11:52:59,622 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-17 11:52:59,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-17 11:52:59,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-17 11:52:59,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-17 11:52:59,622 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_rxcpu_pause [2021-11-17 11:52:59,622 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_rxcpu_pause [2021-11-17 11:52:59,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 11:52:59,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 11:52:59,622 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_carrier_off [2021-11-17 11:52:59,622 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_carrier_off [2021-11-17 11:52:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix [2021-11-17 11:52:59,623 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix [2021-11-17 11:52:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-17 11:52:59,623 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-17 11:52:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-17 11:52:59,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-17 11:52:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_setup_phy [2021-11-17 11:52:59,623 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_setup_phy [2021-11-17 11:52:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure _tw32_flush [2021-11-17 11:52:59,623 INFO L138 BoogieDeclarations]: Found implementation of procedure _tw32_flush [2021-11-17 11:52:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_rd32_loop [2021-11-17 11:52:59,624 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_rd32_loop [2021-11-17 11:52:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-11-17 11:52:59,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-11-17 11:52:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_switch_clocks [2021-11-17 11:52:59,624 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_switch_clocks [2021-11-17 11:52:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-17 11:52:59,624 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-17 11:52:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 11:52:59,624 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 11:52:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ape_write32 [2021-11-17 11:52:59,625 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ape_write32 [2021-11-17 11:52:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-17 11:52:59,625 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-17 11:52:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_copper_an_config_ok [2021-11-17 11:52:59,625 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_copper_an_config_ok [2021-11-17 11:52:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 11:52:59,625 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 11:52:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tg3 [2021-11-17 11:52:59,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tg3 [2021-11-17 11:52:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_get_regs_len [2021-11-17 11:52:59,626 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_get_regs_len [2021-11-17 11:52:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nvram_read_be32 [2021-11-17 11:52:59,626 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nvram_read_be32 [2021-11-17 11:52:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_reset_task_cancel [2021-11-17 11:52:59,626 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_reset_task_cancel [2021-11-17 11:52:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_98 [2021-11-17 11:52:59,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_98 [2021-11-17 11:52:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_cl45_read [2021-11-17 11:52:59,626 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_cl45_read [2021-11-17 11:52:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_test_and_report_link_chg [2021-11-17 11:52:59,627 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_test_and_report_link_chg [2021-11-17 11:52:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-17 11:52:59,627 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-17 11:52:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_disable_ints [2021-11-17 11:52:59,627 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_disable_ints [2021-11-17 11:52:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_enable_nvram_access [2021-11-17 11:52:59,627 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_enable_nvram_access [2021-11-17 11:52:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-17 11:52:59,627 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-17 11:52:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_wait_macro_done [2021-11-17 11:52:59,627 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_wait_macro_done [2021-11-17 11:52:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_shdw_write [2021-11-17 11:52:59,628 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_shdw_write [2021-11-17 11:52:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_write32 [2021-11-17 11:52:59,628 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_write32 [2021-11-17 11:52:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 11:52:59,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 11:52:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_full_unlock [2021-11-17 11:52:59,628 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_full_unlock [2021-11-17 11:52:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nvram_unlock [2021-11-17 11:52:59,628 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nvram_unlock [2021-11-17 11:52:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-17 11:52:59,629 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-17 11:52:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure get_stat64 [2021-11-17 11:52:59,629 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stat64 [2021-11-17 11:52:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_full_lock [2021-11-17 11:52:59,629 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_full_lock [2021-11-17 11:52:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-17 11:52:59,629 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-17 11:52:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-17 11:52:59,629 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-17 11:52:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_suspend [2021-11-17 11:52:59,630 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_suspend [2021-11-17 11:52:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 11:52:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_real [2021-11-17 11:52:59,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_real [2021-11-17 11:52:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_halt_cpu [2021-11-17 11:52:59,630 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_halt_cpu [2021-11-17 11:52:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 11:52:59,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 11:53:01,511 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 11:53:01,515 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 11:53:06,295 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 11:55:12,601 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 11:55:12,641 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 11:55:12,642 INFO L301 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-17 11:55:12,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:55:12 BoogieIcfgContainer [2021-11-17 11:55:12,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 11:55:12,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 11:55:12,654 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 11:55:12,656 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 11:55:12,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 11:52:42" (1/3) ... [2021-11-17 11:55:12,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@510a021c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:55:12, skipping insertion in model container [2021-11-17 11:55:12,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:52:57" (2/3) ... [2021-11-17 11:55:12,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@510a021c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:55:12, skipping insertion in model container [2021-11-17 11:55:12,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:55:12" (3/3) ... [2021-11-17 11:55:12,658 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i [2021-11-17 11:55:12,662 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 11:55:12,662 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-17 11:55:12,722 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 11:55:12,728 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 11:55:12,728 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-17 11:55:12,875 INFO L276 IsEmpty]: Start isEmpty. Operand has 12651 states, 8724 states have (on average 1.3794131132508023) internal successors, (12034), 9034 states have internal predecessors, (12034), 3574 states have call successors, (3574), 351 states have call predecessors, (3574), 350 states have return successors, (3566), 3491 states have call predecessors, (3566), 3566 states have call successors, (3566) [2021-11-17 11:55:12,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-17 11:55:12,879 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:55:12,880 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] [2021-11-17 11:55:12,880 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)] === [2021-11-17 11:55:12,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:55:12,884 INFO L85 PathProgramCache]: Analyzing trace with hash -725468384, now seen corresponding path program 1 times [2021-11-17 11:55:12,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:55:12,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915634939] [2021-11-17 11:55:12,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:55:12,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:55:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:13,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 11:55:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:14,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 11:55:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:14,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 11:55:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:14,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:55:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:14,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 11:55:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:14,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 11:55:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:14,099 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-17 11:55:14,099 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:55:14,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915634939] [2021-11-17 11:55:14,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915634939] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:55:14,100 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:55:14,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 11:55:14,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500914569] [2021-11-17 11:55:14,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:55:14,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 11:55:14,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:55:14,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 11:55:14,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:55:14,150 INFO L87 Difference]: Start difference. First operand has 12651 states, 8724 states have (on average 1.3794131132508023) internal successors, (12034), 9034 states have internal predecessors, (12034), 3574 states have call successors, (3574), 351 states have call predecessors, (3574), 350 states have return successors, (3566), 3491 states have call predecessors, (3566), 3566 states have call successors, (3566) 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) [2021-11-17 11:55:15,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:55:15,466 INFO L93 Difference]: Finished difference Result 25287 states and 39949 transitions. [2021-11-17 11:55:15,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 11:55:15,468 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 [2021-11-17 11:55:15,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:55:15,571 INFO L225 Difference]: With dead ends: 25287 [2021-11-17 11:55:15,571 INFO L226 Difference]: Without dead ends: 12647 [2021-11-17 11:55:15,777 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 11:55:15,780 INFO L933 BasicCegarLoop]: 19119 mSDtfsCounter, 19057 mSDsluCounter, 38270 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19073 SdHoareTripleChecker+Valid, 57389 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-17 11:55:15,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19073 Valid, 57389 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-17 11:55:15,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12647 states. [2021-11-17 11:55:16,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12647 to 12645. [2021-11-17 11:55:16,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12645 states, 8716 states have (on average 1.3744837081229921) internal successors, (11980), 9022 states have internal predecessors, (11980), 3569 states have call successors, (3569), 358 states have call predecessors, (3569), 357 states have return successors, (3566), 3491 states have call predecessors, (3566), 3566 states have call successors, (3566) [2021-11-17 11:55:16,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12645 states to 12645 states and 19115 transitions. [2021-11-17 11:55:16,561 INFO L78 Accepts]: Start accepts. Automaton has 12645 states and 19115 transitions. Word has length 48 [2021-11-17 11:55:16,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:55:16,562 INFO L470 AbstractCegarLoop]: Abstraction has 12645 states and 19115 transitions. [2021-11-17 11:55:16,562 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) [2021-11-17 11:55:16,562 INFO L276 IsEmpty]: Start isEmpty. Operand 12645 states and 19115 transitions. [2021-11-17 11:55:16,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-17 11:55:16,565 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:55:16,566 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] [2021-11-17 11:55:16,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 11:55:16,568 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)] === [2021-11-17 11:55:16,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:55:16,569 INFO L85 PathProgramCache]: Analyzing trace with hash 59457462, now seen corresponding path program 1 times [2021-11-17 11:55:16,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:55:16,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251967321] [2021-11-17 11:55:16,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:55:16,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:55:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:17,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 11:55:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:17,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 11:55:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:17,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 11:55:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:17,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:55:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:17,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 11:55:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:17,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 11:55:17,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:17,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 11:55:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:17,370 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-17 11:55:17,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:55:17,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251967321] [2021-11-17 11:55:17,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251967321] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:55:17,372 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:55:17,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 11:55:17,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464106785] [2021-11-17 11:55:17,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:55:17,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 11:55:17,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:55:17,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 11:55:17,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:55:17,375 INFO L87 Difference]: Start difference. First operand 12645 states and 19115 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) [2021-11-17 11:55:18,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:55:18,293 INFO L93 Difference]: Finished difference Result 12651 states and 19120 transitions. [2021-11-17 11:55:18,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 11:55:18,293 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 [2021-11-17 11:55:18,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:55:18,388 INFO L225 Difference]: With dead ends: 12651 [2021-11-17 11:55:18,388 INFO L226 Difference]: Without dead ends: 12649 [2021-11-17 11:55:18,404 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 [2021-11-17 11:55:18,406 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19048 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19062 SdHoareTripleChecker+Valid, 57217 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 [2021-11-17 11:55:18,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19062 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 11:55:18,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12649 states. [2021-11-17 11:55:19,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12649 to 12649. [2021-11-17 11:55:19,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12649 states, 8719 states have (on average 1.3743548572083955) internal successors, (11983), 9025 states have internal predecessors, (11983), 3569 states have call successors, (3569), 359 states have call predecessors, (3569), 358 states have return successors, (3566), 3491 states have call predecessors, (3566), 3566 states have call successors, (3566) [2021-11-17 11:55:19,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12649 states to 12649 states and 19118 transitions. [2021-11-17 11:55:19,203 INFO L78 Accepts]: Start accepts. Automaton has 12649 states and 19118 transitions. Word has length 53 [2021-11-17 11:55:19,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:55:19,204 INFO L470 AbstractCegarLoop]: Abstraction has 12649 states and 19118 transitions. [2021-11-17 11:55:19,204 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) [2021-11-17 11:55:19,204 INFO L276 IsEmpty]: Start isEmpty. Operand 12649 states and 19118 transitions. [2021-11-17 11:55:19,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-17 11:55:19,210 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:55:19,210 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:55:19,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 11:55:19,211 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:55:19,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:55:19,211 INFO L85 PathProgramCache]: Analyzing trace with hash 2111357088, now seen corresponding path program 1 times [2021-11-17 11:55:19,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:55:19,211 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842139235] [2021-11-17 11:55:19,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:55:19,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:55:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:19,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 11:55:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:19,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 11:55:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:19,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 11:55:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:19,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:55:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:19,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 11:55:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:19,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 11:55:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:19,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 11:55:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:19,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-17 11:55:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:19,867 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-17 11:55:19,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:55:19,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842139235] [2021-11-17 11:55:19,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842139235] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:55:19,868 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:55:19,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 11:55:19,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026007680] [2021-11-17 11:55:19,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:55:19,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 11:55:19,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:55:19,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 11:55:19,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:55:19,869 INFO L87 Difference]: Start difference. First operand 12649 states and 19118 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) [2021-11-17 11:55:20,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:55:20,611 INFO L93 Difference]: Finished difference Result 12655 states and 19123 transitions. [2021-11-17 11:55:20,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 11:55:20,611 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 [2021-11-17 11:55:20,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:55:20,669 INFO L225 Difference]: With dead ends: 12655 [2021-11-17 11:55:20,669 INFO L226 Difference]: Without dead ends: 12653 [2021-11-17 11:55:20,683 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 [2021-11-17 11:55:20,687 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19048 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19061 SdHoareTripleChecker+Valid, 57217 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 [2021-11-17 11:55:20,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19061 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 11:55:20,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12653 states. [2021-11-17 11:55:21,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12653 to 12653. [2021-11-17 11:55:21,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12653 states, 8722 states have (on average 1.374226094932355) internal successors, (11986), 9028 states have internal predecessors, (11986), 3569 states have call successors, (3569), 360 states have call predecessors, (3569), 359 states have return successors, (3566), 3491 states have call predecessors, (3566), 3566 states have call successors, (3566) [2021-11-17 11:55:21,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12653 states to 12653 states and 19121 transitions. [2021-11-17 11:55:21,467 INFO L78 Accepts]: Start accepts. Automaton has 12653 states and 19121 transitions. Word has length 58 [2021-11-17 11:55:21,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:55:21,469 INFO L470 AbstractCegarLoop]: Abstraction has 12653 states and 19121 transitions. [2021-11-17 11:55:21,469 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) [2021-11-17 11:55:21,469 INFO L276 IsEmpty]: Start isEmpty. Operand 12653 states and 19121 transitions. [2021-11-17 11:55:21,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-17 11:55:21,472 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:55:21,472 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] [2021-11-17 11:55:21,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 11:55:21,473 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)] === [2021-11-17 11:55:21,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:55:21,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1734760886, now seen corresponding path program 1 times [2021-11-17 11:55:21,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:55:21,473 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368510674] [2021-11-17 11:55:21,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:55:21,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:55:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:22,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 11:55:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:22,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 11:55:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:22,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 11:55:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:22,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:55:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:22,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 11:55:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:22,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 11:55:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:22,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 11:55:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:22,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-17 11:55:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:22,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 11:55:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:22,281 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 11:55:22,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:55:22,282 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368510674] [2021-11-17 11:55:22,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368510674] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:55:22,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:55:22,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 11:55:22,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46283668] [2021-11-17 11:55:22,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:55:22,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 11:55:22,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:55:22,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 11:55:22,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:55:22,284 INFO L87 Difference]: Start difference. First operand 12653 states and 19121 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) [2021-11-17 11:55:22,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:55:22,954 INFO L93 Difference]: Finished difference Result 12659 states and 19126 transitions. [2021-11-17 11:55:22,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 11:55:22,955 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 [2021-11-17 11:55:22,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:55:23,004 INFO L225 Difference]: With dead ends: 12659 [2021-11-17 11:55:23,005 INFO L226 Difference]: Without dead ends: 12657 [2021-11-17 11:55:23,013 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 11:55:23,014 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19048 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19060 SdHoareTripleChecker+Valid, 57217 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 [2021-11-17 11:55:23,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19060 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 11:55:23,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12657 states. [2021-11-17 11:55:23,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12657 to 12657. [2021-11-17 11:55:23,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12657 states, 8725 states have (on average 1.3740974212034385) internal successors, (11989), 9031 states have internal predecessors, (11989), 3569 states have call successors, (3569), 361 states have call predecessors, (3569), 360 states have return successors, (3566), 3491 states have call predecessors, (3566), 3566 states have call successors, (3566) [2021-11-17 11:55:23,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12657 states to 12657 states and 19124 transitions. [2021-11-17 11:55:23,722 INFO L78 Accepts]: Start accepts. Automaton has 12657 states and 19124 transitions. Word has length 63 [2021-11-17 11:55:23,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:55:23,722 INFO L470 AbstractCegarLoop]: Abstraction has 12657 states and 19124 transitions. [2021-11-17 11:55:23,722 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) [2021-11-17 11:55:23,722 INFO L276 IsEmpty]: Start isEmpty. Operand 12657 states and 19124 transitions. [2021-11-17 11:55:23,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-17 11:55:23,724 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:55:23,724 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:55:23,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 11:55:23,724 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)] === [2021-11-17 11:55:23,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:55:23,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1458039264, now seen corresponding path program 1 times [2021-11-17 11:55:23,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:55:23,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636481394] [2021-11-17 11:55:23,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:55:23,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:55:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:24,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 11:55:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:24,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 11:55:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:24,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 11:55:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:24,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:55:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:24,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 11:55:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:24,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 11:55:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:24,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 11:55:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:24,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-17 11:55:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:24,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 11:55:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:24,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 11:55:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:24,290 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-17 11:55:24,290 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:55:24,290 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636481394] [2021-11-17 11:55:24,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636481394] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:55:24,290 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:55:24,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 11:55:24,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990162979] [2021-11-17 11:55:24,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:55:24,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 11:55:24,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:55:24,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 11:55:24,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:55:24,292 INFO L87 Difference]: Start difference. First operand 12657 states and 19124 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-17 11:55:25,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:55:25,018 INFO L93 Difference]: Finished difference Result 12807 states and 19329 transitions. [2021-11-17 11:55:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 11:55:25,019 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2021-11-17 11:55:25,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:55:25,077 INFO L225 Difference]: With dead ends: 12807 [2021-11-17 11:55:25,077 INFO L226 Difference]: Without dead ends: 12805 [2021-11-17 11:55:25,089 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 11:55:25,091 INFO L933 BasicCegarLoop]: 19142 mSDtfsCounter, 18972 mSDsluCounter, 38533 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18983 SdHoareTripleChecker+Valid, 57675 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 [2021-11-17 11:55:25,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18983 Valid, 57675 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 11:55:25,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12805 states. [2021-11-17 11:55:25,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12805 to 12799. [2021-11-17 11:55:25,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12799 states, 8811 states have (on average 1.372829417773238) internal successors, (12096), 9127 states have internal predecessors, (12096), 3610 states have call successors, (3610), 379 states have call predecessors, (3610), 375 states have return successors, (3617), 3523 states have call predecessors, (3617), 3607 states have call successors, (3617) [2021-11-17 11:55:25,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12799 states to 12799 states and 19323 transitions. [2021-11-17 11:55:25,990 INFO L78 Accepts]: Start accepts. Automaton has 12799 states and 19323 transitions. Word has length 68 [2021-11-17 11:55:25,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:55:25,990 INFO L470 AbstractCegarLoop]: Abstraction has 12799 states and 19323 transitions. [2021-11-17 11:55:25,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-17 11:55:25,990 INFO L276 IsEmpty]: Start isEmpty. Operand 12799 states and 19323 transitions. [2021-11-17 11:55:25,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-17 11:55:25,991 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:55:25,991 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] [2021-11-17 11:55:25,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 11:55:25,992 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)] === [2021-11-17 11:55:25,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:55:25,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1250116634, now seen corresponding path program 1 times [2021-11-17 11:55:25,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:55:25,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514226792] [2021-11-17 11:55:25,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:55:25,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:55:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:26,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 11:55:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:26,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 11:55:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:26,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 11:55:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:26,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:55:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:26,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 11:55:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:26,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 11:55:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:26,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-17 11:55:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:26,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-17 11:55:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:26,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 11:55:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:26,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 11:55:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:26,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 11:55:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:26,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 11:55:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:26,628 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-11-17 11:55:26,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:55:26,628 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514226792] [2021-11-17 11:55:26,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514226792] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:55:26,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:55:26,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 11:55:26,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304936430] [2021-11-17 11:55:26,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:55:26,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 11:55:26,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:55:26,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 11:55:26,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:55:26,631 INFO L87 Difference]: Start difference. First operand 12799 states and 19323 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) [2021-11-17 11:55:27,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:55:27,493 INFO L93 Difference]: Finished difference Result 12805 states and 19328 transitions. [2021-11-17 11:55:27,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 11:55:27,493 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 [2021-11-17 11:55:27,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:55:27,555 INFO L225 Difference]: With dead ends: 12805 [2021-11-17 11:55:27,555 INFO L226 Difference]: Without dead ends: 12803 [2021-11-17 11:55:27,571 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 [2021-11-17 11:55:27,573 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19038 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19048 SdHoareTripleChecker+Valid, 57217 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-17 11:55:27,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19048 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-17 11:55:27,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12803 states. [2021-11-17 11:55:28,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12803 to 12803. [2021-11-17 11:55:28,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12803 states, 8814 states have (on average 1.3727025187202178) internal successors, (12099), 9130 states have internal predecessors, (12099), 3610 states have call successors, (3610), 380 states have call predecessors, (3610), 376 states have return successors, (3617), 3523 states have call predecessors, (3617), 3607 states have call successors, (3617) [2021-11-17 11:55:28,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12803 states to 12803 states and 19326 transitions. [2021-11-17 11:55:28,567 INFO L78 Accepts]: Start accepts. Automaton has 12803 states and 19326 transitions. Word has length 86 [2021-11-17 11:55:28,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:55:28,567 INFO L470 AbstractCegarLoop]: Abstraction has 12803 states and 19326 transitions. [2021-11-17 11:55:28,567 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) [2021-11-17 11:55:28,568 INFO L276 IsEmpty]: Start isEmpty. Operand 12803 states and 19326 transitions. [2021-11-17 11:55:28,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-17 11:55:28,569 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:55:28,569 INFO L514 BasicCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:55:28,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 11:55:28,569 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)] === [2021-11-17 11:55:28,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:55:28,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1348221372, now seen corresponding path program 1 times [2021-11-17 11:55:28,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:55:28,570 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413119719] [2021-11-17 11:55:28,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:55:28,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:55:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:29,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 11:55:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:29,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 11:55:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:29,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 11:55:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:29,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:55:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:29,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 11:55:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:29,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 11:55:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:29,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-17 11:55:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:29,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-17 11:55:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:29,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 11:55:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:29,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 11:55:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:29,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 11:55:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:29,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 11:55:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:29,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 11:55:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:29,169 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-17 11:55:29,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:55:29,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413119719] [2021-11-17 11:55:29,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413119719] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:55:29,170 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:55:29,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 11:55:29,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597422504] [2021-11-17 11:55:29,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:55:29,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 11:55:29,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:55:29,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 11:55:29,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:55:29,172 INFO L87 Difference]: Start difference. First operand 12803 states and 19326 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-17 11:55:29,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:55:29,907 INFO L93 Difference]: Finished difference Result 12809 states and 19331 transitions. [2021-11-17 11:55:29,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 11:55:29,908 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 91 [2021-11-17 11:55:29,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:55:29,955 INFO L225 Difference]: With dead ends: 12809 [2021-11-17 11:55:29,955 INFO L226 Difference]: Without dead ends: 12807 [2021-11-17 11:55:29,964 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 [2021-11-17 11:55:29,965 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19038 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19047 SdHoareTripleChecker+Valid, 57217 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 [2021-11-17 11:55:29,965 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19047 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 11:55:29,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12807 states. [2021-11-17 11:55:30,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12807 to 12807. [2021-11-17 11:55:30,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12807 states, 8817 states have (on average 1.3725757060224566) internal successors, (12102), 9133 states have internal predecessors, (12102), 3610 states have call successors, (3610), 381 states have call predecessors, (3610), 377 states have return successors, (3617), 3523 states have call predecessors, (3617), 3607 states have call successors, (3617) [2021-11-17 11:55:30,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12807 states to 12807 states and 19329 transitions. [2021-11-17 11:55:30,846 INFO L78 Accepts]: Start accepts. Automaton has 12807 states and 19329 transitions. Word has length 91 [2021-11-17 11:55:30,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:55:30,848 INFO L470 AbstractCegarLoop]: Abstraction has 12807 states and 19329 transitions. [2021-11-17 11:55:30,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-17 11:55:30,848 INFO L276 IsEmpty]: Start isEmpty. Operand 12807 states and 19329 transitions. [2021-11-17 11:55:30,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-17 11:55:30,852 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:55:30,853 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] [2021-11-17 11:55:30,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 11:55:30,853 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)] === [2021-11-17 11:55:30,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:55:30,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1444143690, now seen corresponding path program 1 times [2021-11-17 11:55:30,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:55:30,853 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454341848] [2021-11-17 11:55:30,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:55:30,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:55:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:31,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 11:55:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:31,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 11:55:31,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:31,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 11:55:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:31,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:55:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:31,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 11:55:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:31,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 11:55:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:31,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 11:55:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:31,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-17 11:55:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:31,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 11:55:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:31,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 11:55:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:31,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 11:55:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:31,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:55:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:31,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 11:55:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:31,399 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-11-17 11:55:31,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:55:31,400 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454341848] [2021-11-17 11:55:31,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454341848] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:55:31,400 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:55:31,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 11:55:31,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136814141] [2021-11-17 11:55:31,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:55:31,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 11:55:31,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:55:31,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 11:55:31,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:55:31,401 INFO L87 Difference]: Start difference. First operand 12807 states and 19329 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) [2021-11-17 11:55:32,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:55:32,196 INFO L93 Difference]: Finished difference Result 12813 states and 19334 transitions. [2021-11-17 11:55:32,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 11:55:32,197 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 [2021-11-17 11:55:32,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:55:32,264 INFO L225 Difference]: With dead ends: 12813 [2021-11-17 11:55:32,264 INFO L226 Difference]: Without dead ends: 12811 [2021-11-17 11:55:32,274 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 [2021-11-17 11:55:32,275 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19048 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19056 SdHoareTripleChecker+Valid, 57217 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 [2021-11-17 11:55:32,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19056 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 11:55:32,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12811 states. [2021-11-17 11:55:33,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12811 to 12811. [2021-11-17 11:55:33,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12811 states, 8820 states have (on average 1.3724489795918366) internal successors, (12105), 9136 states have internal predecessors, (12105), 3610 states have call successors, (3610), 382 states have call predecessors, (3610), 378 states have return successors, (3617), 3523 states have call predecessors, (3617), 3607 states have call successors, (3617) [2021-11-17 11:55:33,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12811 states to 12811 states and 19332 transitions. [2021-11-17 11:55:33,203 INFO L78 Accepts]: Start accepts. Automaton has 12811 states and 19332 transitions. Word has length 83 [2021-11-17 11:55:33,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:55:33,203 INFO L470 AbstractCegarLoop]: Abstraction has 12811 states and 19332 transitions. [2021-11-17 11:55:33,203 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) [2021-11-17 11:55:33,203 INFO L276 IsEmpty]: Start isEmpty. Operand 12811 states and 19332 transitions. [2021-11-17 11:55:33,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-17 11:55:33,204 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:55:33,204 INFO L514 BasicCegarLoop]: trace histogram [9, 8, 8, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:55:33,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 11:55:33,205 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)] === [2021-11-17 11:55:33,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:55:33,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1476316896, now seen corresponding path program 1 times [2021-11-17 11:55:33,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:55:33,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554136147] [2021-11-17 11:55:33,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:55:33,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:55:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:33,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 11:55:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:33,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 11:55:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:33,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 11:55:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:33,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:55:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:33,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 11:55:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:33,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 11:55:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:33,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 11:55:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:33,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-17 11:55:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:33,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 11:55:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:33,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 11:55:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:33,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 11:55:33,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:33,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:55:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:33,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 11:55:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:33,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-17 11:55:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:33,768 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2021-11-17 11:55:33,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:55:33,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554136147] [2021-11-17 11:55:33,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554136147] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:55:33,768 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:55:33,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 11:55:33,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892867226] [2021-11-17 11:55:33,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:55:33,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 11:55:33,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:55:33,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 11:55:33,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:55:33,770 INFO L87 Difference]: Start difference. First operand 12811 states and 19332 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-17 11:55:34,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:55:34,572 INFO L93 Difference]: Finished difference Result 16465 states and 24695 transitions. [2021-11-17 11:55:34,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 11:55:34,572 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 88 [2021-11-17 11:55:34,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:55:34,640 INFO L225 Difference]: With dead ends: 16465 [2021-11-17 11:55:34,640 INFO L226 Difference]: Without dead ends: 16463 [2021-11-17 11:55:34,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 11:55:34,652 INFO L933 BasicCegarLoop]: 23758 mSDtfsCounter, 14900 mSDsluCounter, 56804 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14907 SdHoareTripleChecker+Valid, 80562 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 11:55:34,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14907 Valid, 80562 Invalid, 26 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 11:55:34,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16463 states. [2021-11-17 11:55:35,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16463 to 16459. [2021-11-17 11:55:35,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16459 states, 11230 states have (on average 1.3647373107747105) internal successors, (15326), 11617 states have internal predecessors, (15326), 4674 states have call successors, (4674), 559 states have call predecessors, (4674), 552 states have return successors, (4691), 4567 states have call predecessors, (4691), 4671 states have call successors, (4691) [2021-11-17 11:55:35,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16459 states to 16459 states and 24691 transitions. [2021-11-17 11:55:35,502 INFO L78 Accepts]: Start accepts. Automaton has 16459 states and 24691 transitions. Word has length 88 [2021-11-17 11:55:35,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:55:35,502 INFO L470 AbstractCegarLoop]: Abstraction has 16459 states and 24691 transitions. [2021-11-17 11:55:35,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-17 11:55:35,502 INFO L276 IsEmpty]: Start isEmpty. Operand 16459 states and 24691 transitions. [2021-11-17 11:55:35,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-17 11:55:35,504 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:55:35,504 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] [2021-11-17 11:55:35,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 11:55:35,505 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)] === [2021-11-17 11:55:35,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:55:35,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1984475622, now seen corresponding path program 1 times [2021-11-17 11:55:35,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:55:35,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828771919] [2021-11-17 11:55:35,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:55:35,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:55:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:35,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 11:55:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:35,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 11:55:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:35,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 11:55:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:36,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:55:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:36,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 11:55:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:36,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 11:55:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:36,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-17 11:55:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:36,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-17 11:55:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:36,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 11:55:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:36,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 11:55:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:36,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 11:55:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:36,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 11:55:36,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:36,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 11:55:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:36,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 11:55:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:36,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 11:55:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:36,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 11:55:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:36,144 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2021-11-17 11:55:36,144 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:55:36,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828771919] [2021-11-17 11:55:36,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828771919] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:55:36,145 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:55:36,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 11:55:36,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264496425] [2021-11-17 11:55:36,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:55:36,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 11:55:36,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:55:36,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 11:55:36,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:55:36,146 INFO L87 Difference]: Start difference. First operand 16459 states and 24691 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) [2021-11-17 11:55:37,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:55:37,041 INFO L93 Difference]: Finished difference Result 16465 states and 24696 transitions. [2021-11-17 11:55:37,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 11:55:37,042 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 [2021-11-17 11:55:37,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:55:37,114 INFO L225 Difference]: With dead ends: 16465 [2021-11-17 11:55:37,114 INFO L226 Difference]: Without dead ends: 16463 [2021-11-17 11:55:37,127 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 [2021-11-17 11:55:37,129 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19038 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19044 SdHoareTripleChecker+Valid, 57217 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 [2021-11-17 11:55:37,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19044 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 11:55:37,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16463 states. [2021-11-17 11:55:37,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16463 to 16463. [2021-11-17 11:55:37,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16463 states, 11233 states have (on average 1.3646399002937772) internal successors, (15329), 11620 states have internal predecessors, (15329), 4674 states have call successors, (4674), 560 states have call predecessors, (4674), 553 states have return successors, (4691), 4567 states have call predecessors, (4691), 4671 states have call successors, (4691) [2021-11-17 11:55:38,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16463 states to 16463 states and 24694 transitions. [2021-11-17 11:55:38,095 INFO L78 Accepts]: Start accepts. Automaton has 16463 states and 24694 transitions. Word has length 106 [2021-11-17 11:55:38,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:55:38,096 INFO L470 AbstractCegarLoop]: Abstraction has 16463 states and 24694 transitions. [2021-11-17 11:55:38,096 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) [2021-11-17 11:55:38,096 INFO L276 IsEmpty]: Start isEmpty. Operand 16463 states and 24694 transitions. [2021-11-17 11:55:38,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-17 11:55:38,097 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:55:38,097 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] [2021-11-17 11:55:38,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 11:55:38,098 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)] === [2021-11-17 11:55:38,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:55:38,098 INFO L85 PathProgramCache]: Analyzing trace with hash -2104308036, now seen corresponding path program 1 times [2021-11-17 11:55:38,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:55:38,098 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837738261] [2021-11-17 11:55:38,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:55:38,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:55:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:38,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 11:55:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:38,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 11:55:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:38,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 11:55:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:38,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:55:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:38,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 11:55:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:38,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 11:55:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:38,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-17 11:55:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:38,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-17 11:55:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:38,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 11:55:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:38,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 11:55:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:38,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 11:55:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:38,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 11:55:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:38,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 11:55:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:38,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 11:55:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:38,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 11:55:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:38,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 11:55:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:38,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:55:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:38,683 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2021-11-17 11:55:38,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:55:38,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837738261] [2021-11-17 11:55:38,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837738261] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:55:38,684 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:55:38,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 11:55:38,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548087825] [2021-11-17 11:55:38,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:55:38,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 11:55:38,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:55:38,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 11:55:38,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:55:38,686 INFO L87 Difference]: Start difference. First operand 16463 states and 24694 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) [2021-11-17 11:55:39,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:55:39,518 INFO L93 Difference]: Finished difference Result 16469 states and 24699 transitions. [2021-11-17 11:55:39,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 11:55:39,519 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 [2021-11-17 11:55:39,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:55:39,586 INFO L225 Difference]: With dead ends: 16469 [2021-11-17 11:55:39,586 INFO L226 Difference]: Without dead ends: 16467 [2021-11-17 11:55:39,599 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 11:55:39,600 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19038 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19043 SdHoareTripleChecker+Valid, 57217 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 [2021-11-17 11:55:39,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19043 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 11:55:39,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16467 states. [2021-11-17 11:55:40,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16467 to 16467. [2021-11-17 11:55:40,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16467 states, 11236 states have (on average 1.3645425418298327) internal successors, (15332), 11623 states have internal predecessors, (15332), 4674 states have call successors, (4674), 561 states have call predecessors, (4674), 554 states have return successors, (4691), 4567 states have call predecessors, (4691), 4671 states have call successors, (4691) [2021-11-17 11:55:40,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16467 states to 16467 states and 24697 transitions. [2021-11-17 11:55:40,584 INFO L78 Accepts]: Start accepts. Automaton has 16467 states and 24697 transitions. Word has length 111 [2021-11-17 11:55:40,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:55:40,584 INFO L470 AbstractCegarLoop]: Abstraction has 16467 states and 24697 transitions. [2021-11-17 11:55:40,584 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) [2021-11-17 11:55:40,584 INFO L276 IsEmpty]: Start isEmpty. Operand 16467 states and 24697 transitions. [2021-11-17 11:55:40,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-17 11:55:40,586 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:55:40,586 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] [2021-11-17 11:55:40,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-17 11:55:40,587 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)] === [2021-11-17 11:55:40,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:55:40,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1626775990, now seen corresponding path program 1 times [2021-11-17 11:55:40,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:55:40,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827148391] [2021-11-17 11:55:40,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:55:40,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:55:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:41,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 11:55:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:41,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 11:55:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:41,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 11:55:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:41,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:55:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:41,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 11:55:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:41,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 11:55:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:41,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 11:55:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:41,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-17 11:55:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:41,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 11:55:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:41,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 11:55:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:41,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 11:55:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:41,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:55:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:41,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 11:55:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:41,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-17 11:55:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:41,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 11:55:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:41,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 11:55:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:41,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 11:55:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:41,224 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-17 11:55:41,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:55:41,224 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827148391] [2021-11-17 11:55:41,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827148391] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:55:41,225 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:55:41,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 11:55:41,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433886324] [2021-11-17 11:55:41,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:55:41,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 11:55:41,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:55:41,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 11:55:41,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:55:41,226 INFO L87 Difference]: Start difference. First operand 16467 states and 24697 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) [2021-11-17 11:55:42,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:55:42,215 INFO L93 Difference]: Finished difference Result 16473 states and 24702 transitions. [2021-11-17 11:55:42,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 11:55:42,215 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 [2021-11-17 11:55:42,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:55:42,272 INFO L225 Difference]: With dead ends: 16473 [2021-11-17 11:55:42,272 INFO L226 Difference]: Without dead ends: 16471 [2021-11-17 11:55:42,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 11:55:42,281 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19048 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19052 SdHoareTripleChecker+Valid, 57217 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 [2021-11-17 11:55:42,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19052 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 11:55:42,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16471 states. [2021-11-17 11:55:43,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16471 to 16471. [2021-11-17 11:55:43,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16471 states, 11239 states have (on average 1.3644452353412224) internal successors, (15335), 11626 states have internal predecessors, (15335), 4674 states have call successors, (4674), 562 states have call predecessors, (4674), 555 states have return successors, (4691), 4567 states have call predecessors, (4691), 4671 states have call successors, (4691) [2021-11-17 11:55:43,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16471 states to 16471 states and 24700 transitions. [2021-11-17 11:55:43,429 INFO L78 Accepts]: Start accepts. Automaton has 16471 states and 24700 transitions. Word has length 103 [2021-11-17 11:55:43,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:55:43,429 INFO L470 AbstractCegarLoop]: Abstraction has 16471 states and 24700 transitions. [2021-11-17 11:55:43,429 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) [2021-11-17 11:55:43,429 INFO L276 IsEmpty]: Start isEmpty. Operand 16471 states and 24700 transitions. [2021-11-17 11:55:43,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-17 11:55:43,431 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:55:43,431 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] [2021-11-17 11:55:43,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-17 11:55:43,432 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)] === [2021-11-17 11:55:43,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:55:43,432 INFO L85 PathProgramCache]: Analyzing trace with hash -505220804, now seen corresponding path program 1 times [2021-11-17 11:55:43,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:55:43,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084501357] [2021-11-17 11:55:43,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:55:43,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:55:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:43,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 11:55:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:43,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 11:55:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:43,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 11:55:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:43,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:55:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:43,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 11:55:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:43,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 11:55:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:44,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-17 11:55:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:44,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-17 11:55:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:44,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 11:55:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:44,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 11:55:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:44,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 11:55:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:44,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 11:55:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:44,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 11:55:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:44,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 11:55:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:44,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 11:55:44,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:44,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 11:55:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:44,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:55:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:44,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 11:55:44,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:44,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-17 11:55:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:44,118 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2021-11-17 11:55:44,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:55:44,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084501357] [2021-11-17 11:55:44,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084501357] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:55:44,119 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:55:44,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 11:55:44,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180533960] [2021-11-17 11:55:44,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:55:44,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 11:55:44,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:55:44,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 11:55:44,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:55:44,120 INFO L87 Difference]: Start difference. First operand 16471 states and 24700 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) [2021-11-17 11:55:44,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:55:44,913 INFO L93 Difference]: Finished difference Result 16477 states and 24705 transitions. [2021-11-17 11:55:44,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 11:55:44,913 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 [2021-11-17 11:55:44,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:55:44,975 INFO L225 Difference]: With dead ends: 16477 [2021-11-17 11:55:44,975 INFO L226 Difference]: Without dead ends: 16475 [2021-11-17 11:55:44,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 11:55:44,990 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19038 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19041 SdHoareTripleChecker+Valid, 57217 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 [2021-11-17 11:55:44,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19041 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 11:55:45,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16475 states. [2021-11-17 11:55:45,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16475 to 16475. [2021-11-17 11:55:45,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16475 states, 11242 states have (on average 1.364347980786337) internal successors, (15338), 11629 states have internal predecessors, (15338), 4674 states have call successors, (4674), 563 states have call predecessors, (4674), 556 states have return successors, (4691), 4567 states have call predecessors, (4691), 4671 states have call successors, (4691) [2021-11-17 11:55:45,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16475 states to 16475 states and 24703 transitions. [2021-11-17 11:55:45,930 INFO L78 Accepts]: Start accepts. Automaton has 16475 states and 24703 transitions. Word has length 121 [2021-11-17 11:55:45,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:55:45,930 INFO L470 AbstractCegarLoop]: Abstraction has 16475 states and 24703 transitions. [2021-11-17 11:55:45,931 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) [2021-11-17 11:55:45,931 INFO L276 IsEmpty]: Start isEmpty. Operand 16475 states and 24703 transitions. [2021-11-17 11:55:45,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-17 11:55:45,933 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:55:45,933 INFO L514 BasicCegarLoop]: trace histogram [14, 13, 13, 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] [2021-11-17 11:55:45,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-17 11:55:45,933 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)] === [2021-11-17 11:55:45,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:55:45,934 INFO L85 PathProgramCache]: Analyzing trace with hash -309258214, now seen corresponding path program 1 times [2021-11-17 11:55:45,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:55:45,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261829617] [2021-11-17 11:55:45,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:55:45,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:55:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:46,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 11:55:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:46,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 11:55:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:46,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 11:55:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:46,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:55:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:46,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 11:55:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:46,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 11:55:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:46,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-17 11:55:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:46,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-17 11:55:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:46,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 11:55:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:46,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 11:55:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:46,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 11:55:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:46,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 11:55:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:46,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 11:55:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:46,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 11:55:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:46,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 11:55:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:46,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 11:55:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:46,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:55:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:46,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 11:55:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:46,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-17 11:55:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:46,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 11:55:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:46,510 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2021-11-17 11:55:46,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:55:46,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261829617] [2021-11-17 11:55:46,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261829617] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:55:46,511 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:55:46,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 11:55:46,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105399431] [2021-11-17 11:55:46,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:55:46,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 11:55:46,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:55:46,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 11:55:46,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:55:46,512 INFO L87 Difference]: Start difference. First operand 16475 states and 24703 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, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-17 11:55:47,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:55:47,324 INFO L93 Difference]: Finished difference Result 16481 states and 24708 transitions. [2021-11-17 11:55:47,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 11:55:47,325 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, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 126 [2021-11-17 11:55:47,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:55:47,399 INFO L225 Difference]: With dead ends: 16481 [2021-11-17 11:55:47,399 INFO L226 Difference]: Without dead ends: 16479 [2021-11-17 11:55:47,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 11:55:47,417 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19038 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19040 SdHoareTripleChecker+Valid, 57217 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 [2021-11-17 11:55:47,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19040 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 11:55:47,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16479 states. [2021-11-17 11:55:48,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16479 to 16479. [2021-11-17 11:55:48,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16479 states, 11245 states have (on average 1.3642507781236104) internal successors, (15341), 11632 states have internal predecessors, (15341), 4674 states have call successors, (4674), 564 states have call predecessors, (4674), 557 states have return successors, (4691), 4567 states have call predecessors, (4691), 4671 states have call successors, (4691) [2021-11-17 11:55:48,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16479 states to 16479 states and 24706 transitions. [2021-11-17 11:55:48,349 INFO L78 Accepts]: Start accepts. Automaton has 16479 states and 24706 transitions. Word has length 126 [2021-11-17 11:55:48,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:55:48,350 INFO L470 AbstractCegarLoop]: Abstraction has 16479 states and 24706 transitions. [2021-11-17 11:55:48,350 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, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-17 11:55:48,350 INFO L276 IsEmpty]: Start isEmpty. Operand 16479 states and 24706 transitions. [2021-11-17 11:55:48,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-17 11:55:48,351 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:55:48,352 INFO L514 BasicCegarLoop]: trace histogram [15, 14, 14, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:55:48,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-17 11:55:48,352 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)] === [2021-11-17 11:55:48,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:55:48,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1779633760, now seen corresponding path program 1 times [2021-11-17 11:55:48,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:55:48,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232290998] [2021-11-17 11:55:48,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:55:48,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:55:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:48,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 11:55:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:48,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 11:55:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:48,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 11:55:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:48,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:55:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:48,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 11:55:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:48,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 11:55:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:48,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 11:55:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:48,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-17 11:55:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:48,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 11:55:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:48,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 11:55:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:48,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 11:55:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:48,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:55:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:48,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 11:55:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:48,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-17 11:55:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:48,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 11:55:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:48,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 11:55:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:48,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 11:55:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:48,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 11:55:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:48,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 11:55:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:48,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 11:55:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:48,950 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2021-11-17 11:55:48,950 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:55:48,951 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232290998] [2021-11-17 11:55:48,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232290998] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:55:48,951 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:55:48,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 11:55:48,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92793580] [2021-11-17 11:55:48,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:55:48,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 11:55:48,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:55:48,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 11:55:48,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:55:48,952 INFO L87 Difference]: Start difference. First operand 16479 states and 24706 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, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-17 11:55:49,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:55:49,849 INFO L93 Difference]: Finished difference Result 16485 states and 24711 transitions. [2021-11-17 11:55:49,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 11:55:49,850 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, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 118 [2021-11-17 11:55:49,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:55:49,897 INFO L225 Difference]: With dead ends: 16485 [2021-11-17 11:55:49,897 INFO L226 Difference]: Without dead ends: 16481 [2021-11-17 11:55:49,904 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 11:55:49,904 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19048 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19049 SdHoareTripleChecker+Valid, 57217 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 [2021-11-17 11:55:49,905 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19049 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 11:55:49,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16481 states. [2021-11-17 11:55:50,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16481 to 16481. [2021-11-17 11:55:50,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16481 states, 11247 states have (on average 1.3640970925580154) internal successors, (15342), 11633 states have internal predecessors, (15342), 4674 states have call successors, (4674), 565 states have call predecessors, (4674), 557 states have return successors, (4691), 4567 states have call predecessors, (4691), 4671 states have call successors, (4691) [2021-11-17 11:55:50,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16481 states to 16481 states and 24707 transitions. [2021-11-17 11:55:50,782 INFO L78 Accepts]: Start accepts. Automaton has 16481 states and 24707 transitions. Word has length 118 [2021-11-17 11:55:50,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:55:50,783 INFO L470 AbstractCegarLoop]: Abstraction has 16481 states and 24707 transitions. [2021-11-17 11:55:50,783 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, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-17 11:55:50,783 INFO L276 IsEmpty]: Start isEmpty. Operand 16481 states and 24707 transitions. [2021-11-17 11:55:50,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-17 11:55:50,785 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:55:50,785 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:55:50,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-17 11:55:50,785 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)] === [2021-11-17 11:55:50,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:55:50,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1182846998, now seen corresponding path program 1 times [2021-11-17 11:55:50,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:55:50,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905061243] [2021-11-17 11:55:50,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:55:50,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:55:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:51,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 11:55:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:51,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 11:55:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:51,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 11:55:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:51,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:55:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:51,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 11:55:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:51,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 11:55:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:51,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-17 11:55:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:51,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-17 11:55:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:51,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:55:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:51,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 11:55:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:51,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 11:55:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:51,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-17 11:55:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:51,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 11:55:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:51,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:55:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:51,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 11:55:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:51,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 11:55:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:51,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 11:55:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:51,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 11:55:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:51,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:55:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:51,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 11:55:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:51,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 11:55:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:51,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 11:55:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:51,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-11-17 11:55:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:55:51,959 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-11-17 11:55:51,959 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:55:51,959 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905061243] [2021-11-17 11:55:51,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905061243] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:55:51,961 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:55:51,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 11:55:51,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229233336] [2021-11-17 11:55:51,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:55:51,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 11:55:51,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:55:51,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 11:55:51,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 11:55:51,962 INFO L87 Difference]: Start difference. First operand 16481 states and 24707 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-17 11:55:54,134 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:56:35,676 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:56:43,065 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:57:02,789 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:57:21,193 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:57:24,098 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:57:41,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:57:41,245 INFO L93 Difference]: Finished difference Result 18903 states and 30537 transitions. [2021-11-17 11:57:41,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 11:57:41,246 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 147 [2021-11-17 11:57:41,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:57:41,331 INFO L225 Difference]: With dead ends: 18903 [2021-11-17 11:57:41,331 INFO L226 Difference]: Without dead ends: 18901 [2021-11-17 11:57:41,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-17 11:57:41,348 INFO L933 BasicCegarLoop]: 24108 mSDtfsCounter, 17241 mSDsluCounter, 65628 mSDsCounter, 0 mSdLazyCounter, 14918 mSolverCounterSat, 7117 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 100.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19369 SdHoareTripleChecker+Valid, 89736 SdHoareTripleChecker+Invalid, 22040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 7117 IncrementalHoareTripleChecker+Valid, 14918 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 106.5s IncrementalHoareTripleChecker+Time [2021-11-17 11:57:41,348 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19369 Valid, 89736 Invalid, 22040 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [7117 Valid, 14918 Invalid, 5 Unknown, 0 Unchecked, 106.5s Time] [2021-11-17 11:57:41,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18901 states. [2021-11-17 11:57:42,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18901 to 16491. [2021-11-17 11:57:42,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16491 states, 11254 states have (on average 1.363870623778212) internal successors, (15349), 11642 states have internal predecessors, (15349), 4674 states have call successors, (4674), 566 states have call predecessors, (4674), 560 states have return successors, (4974), 4567 states have call predecessors, (4974), 4671 states have call successors, (4974) [2021-11-17 11:57:42,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16491 states to 16491 states and 24997 transitions. [2021-11-17 11:57:42,668 INFO L78 Accepts]: Start accepts. Automaton has 16491 states and 24997 transitions. Word has length 147 [2021-11-17 11:57:42,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:57:42,669 INFO L470 AbstractCegarLoop]: Abstraction has 16491 states and 24997 transitions. [2021-11-17 11:57:42,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-17 11:57:42,669 INFO L276 IsEmpty]: Start isEmpty. Operand 16491 states and 24997 transitions. [2021-11-17 11:57:42,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-17 11:57:42,672 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:57:42,672 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] [2021-11-17 11:57:42,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-17 11:57:42,672 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:57:42,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:57:42,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1040065818, now seen corresponding path program 1 times [2021-11-17 11:57:42,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:57:42,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617077841] [2021-11-17 11:57:42,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:57:42,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:57:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:43,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 11:57:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:43,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 11:57:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:43,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 11:57:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:43,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:57:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:43,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 11:57:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:43,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 11:57:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:43,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-17 11:57:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:43,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-17 11:57:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:43,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 11:57:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:43,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 11:57:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:43,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 11:57:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:43,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 11:57:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:43,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 11:57:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:43,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 11:57:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:43,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 11:57:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:43,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 11:57:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:43,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:57:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:43,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 11:57:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:43,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-17 11:57:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:43,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 11:57:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:43,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 11:57:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:43,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 11:57:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:43,446 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-11-17 11:57:43,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:57:43,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617077841] [2021-11-17 11:57:43,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617077841] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:57:43,447 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:57:43,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 11:57:43,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101684361] [2021-11-17 11:57:43,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:57:43,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 11:57:43,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:57:43,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 11:57:43,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:57:43,448 INFO L87 Difference]: Start difference. First operand 16491 states and 24997 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) [2021-11-17 11:57:44,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:57:44,288 INFO L93 Difference]: Finished difference Result 16491 states and 24997 transitions. [2021-11-17 11:57:44,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 11:57:44,288 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 [2021-11-17 11:57:44,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:57:44,353 INFO L225 Difference]: With dead ends: 16491 [2021-11-17 11:57:44,353 INFO L226 Difference]: Without dead ends: 16380 [2021-11-17 11:57:44,367 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 11:57:44,368 INFO L933 BasicCegarLoop]: 19078 mSDtfsCounter, 19034 mSDsluCounter, 38136 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19034 SdHoareTripleChecker+Valid, 57214 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 [2021-11-17 11:57:44,368 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19034 Valid, 57214 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 11:57:44,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16380 states. [2021-11-17 11:57:45,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16380 to 16380. [2021-11-17 11:57:45,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16380 states, 11184 states have (on average 1.3657010014306152) internal successors, (15274), 11570 states have internal predecessors, (15274), 4651 states have call successors, (4651), 548 states have call predecessors, (4651), 543 states have return successors, (4951), 4545 states have call predecessors, (4951), 4648 states have call successors, (4951) [2021-11-17 11:57:45,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16380 states to 16380 states and 24876 transitions. [2021-11-17 11:57:45,455 INFO L78 Accepts]: Start accepts. Automaton has 16380 states and 24876 transitions. Word has length 136 [2021-11-17 11:57:45,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:57:45,456 INFO L470 AbstractCegarLoop]: Abstraction has 16380 states and 24876 transitions. [2021-11-17 11:57:45,456 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) [2021-11-17 11:57:45,456 INFO L276 IsEmpty]: Start isEmpty. Operand 16380 states and 24876 transitions. [2021-11-17 11:57:45,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-17 11:57:45,460 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:57:45,460 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 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] [2021-11-17 11:57:45,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-17 11:57:45,460 INFO L402 AbstractCegarLoop]: === Iteration 18 === 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)] === [2021-11-17 11:57:45,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:57:45,461 INFO L85 PathProgramCache]: Analyzing trace with hash -2066356709, now seen corresponding path program 1 times [2021-11-17 11:57:45,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:57:45,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856210553] [2021-11-17 11:57:45,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:57:45,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:57:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 11:57:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 11:57:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 11:57:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:57:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 11:57:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 11:57:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-17 11:57:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-17 11:57:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:57:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 11:57:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 11:57:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-17 11:57:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-17 11:57:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:57:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 11:57:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 11:57:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 11:57:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 11:57:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 11:57:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:57:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 11:57:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:57:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:57:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 11:57:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 11:57:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:57:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:57:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 11:57:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 11:57:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:57:46,888 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-11-17 11:57:46,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:57:46,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856210553] [2021-11-17 11:57:46,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856210553] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:57:46,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:57:46,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-17 11:57:46,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508164728] [2021-11-17 11:57:46,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:57:46,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-17 11:57:46,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:57:46,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-17 11:57:46,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-11-17 11:57:46,891 INFO L87 Difference]: Start difference. First operand 16380 states and 24876 transitions. Second operand has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 5 states have internal predecessors, (94), 4 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) [2021-11-17 11:57:49,024 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:57:52,722 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:59:38,593 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:59:40,682 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:59:42,786 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:59:44,870 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:59:46,974 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:00:10,305 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:00:57,375 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:00:59,393 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:01:01,408 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:01:03,416 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:01:05,429 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:01:26,574 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:01:28,594 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:01:58,971 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:02:01,072 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:02:03,156 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-17 12:02:05,245 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:02:07,340 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:02:09,431 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:02:11,439 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-17 12:05:53,904 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:05:55,890 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:05:58,015 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:06:00,122 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:06:09,362 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:06:11,381 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15