./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.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 a17c24f91a3bb3d64b949ed6598dfddc35ec4ff57290faa768ce9df2bba8e700 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:36:17,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:36:17,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:36:17,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:36:17,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:36:17,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:36:17,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:36:17,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:36:17,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:36:17,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:36:17,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:36:17,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:36:17,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:36:17,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:36:17,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:36:17,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:36:17,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:36:17,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:36:17,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:36:17,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:36:17,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:36:17,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:36:17,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:36:17,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:36:17,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:36:17,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:36:17,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:36:17,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:36:17,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:36:17,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:36:17,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:36:17,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:36:17,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:36:17,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:36:17,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:36:17,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:36:17,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:36:17,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:36:17,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:36:17,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:36:17,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:36:17,424 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:36:17,454 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:36:17,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:36:17,455 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:36:17,455 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:36:17,456 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:36:17,456 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:36:17,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:36:17,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:36:17,457 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:36:17,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:36:17,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:36:17,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:36:17,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:36:17,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:36:17,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:36:17,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:36:17,459 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:36:17,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:36:17,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:36:17,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:36:17,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:36:17,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:36:17,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:36:17,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:36:17,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:36:17,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:36:17,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:36:17,462 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:36:17,462 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:36:17,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:36:17,462 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:36:17,462 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a17c24f91a3bb3d64b949ed6598dfddc35ec4ff57290faa768ce9df2bba8e700 [2021-12-14 18:36:17,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:36:17,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:36:17,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:36:17,700 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:36:17,704 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:36:17,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2021-12-14 18:36:17,761 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c6fea17a/d9fa6ca13703452597ecd5239d7d1fb6/FLAG325afe0e3 [2021-12-14 18:36:18,508 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:36:18,508 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2021-12-14 18:36:18,571 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c6fea17a/d9fa6ca13703452597ecd5239d7d1fb6/FLAG325afe0e3 [2021-12-14 18:36:19,035 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c6fea17a/d9fa6ca13703452597ecd5239d7d1fb6 [2021-12-14 18:36:19,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:36:19,042 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:36:19,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:36:19,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:36:19,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:36:19,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:36:19" (1/1) ... [2021-12-14 18:36:19,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b58d11d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:19, skipping insertion in model container [2021-12-14 18:36:19,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:36:19" (1/1) ... [2021-12-14 18:36:19,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:36:19,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:36:21,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396127,396140] [2021-12-14 18:36:21,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396296,396309] [2021-12-14 18:36:21,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396463,396476] [2021-12-14 18:36:21,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396631,396644] [2021-12-14 18:36:22,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:36:22,097 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:36:22,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396127,396140] [2021-12-14 18:36:22,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396296,396309] [2021-12-14 18:36:22,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396463,396476] [2021-12-14 18:36:22,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396631,396644] [2021-12-14 18:36:22,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:36:22,641 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:36:22,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:22 WrapperNode [2021-12-14 18:36:22,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:36:22,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:36:22,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:36:22,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:36:22,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:22" (1/1) ... [2021-12-14 18:36:22,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:22" (1/1) ... [2021-12-14 18:36:22,904 INFO L137 Inliner]: procedures = 537, calls = 2748, calls flagged for inlining = 264, calls inlined = 238, statements flattened = 6333 [2021-12-14 18:36:22,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:36:22,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:36:22,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:36:22,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:36:22,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:22" (1/1) ... [2021-12-14 18:36:22,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:22" (1/1) ... [2021-12-14 18:36:23,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:22" (1/1) ... [2021-12-14 18:36:23,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:22" (1/1) ... [2021-12-14 18:36:23,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:22" (1/1) ... [2021-12-14 18:36:23,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:22" (1/1) ... [2021-12-14 18:36:23,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:22" (1/1) ... [2021-12-14 18:36:23,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:36:23,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:36:23,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:36:23,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:36:23,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:22" (1/1) ... [2021-12-14 18:36:23,236 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:36:23,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:36:23,265 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 18:36:23,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 18:36:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-14 18:36:23,308 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-14 18:36:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_eeprom_len [2021-12-14 18:36:23,308 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_eeprom_len [2021-12-14 18:36:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-14 18:36:23,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-14 18:36:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_nway_reset [2021-12-14 18:36:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_nway_reset [2021-12-14 18:36:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:36:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:36:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 18:36:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 18:36:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2021-12-14 18:36:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2021-12-14 18:36:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:36:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:36:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-14 18:36:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-14 18:36:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 18:36:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 18:36:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-14 18:36:23,311 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-14 18:36:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 18:36:23,311 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 18:36:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-14 18:36:23,311 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-14 18:36:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-12-14 18:36:23,312 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-12-14 18:36:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_free_irq [2021-12-14 18:36:23,312 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_free_irq [2021-12-14 18:36:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-14 18:36:23,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-14 18:36:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-14 18:36:23,313 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-14 18:36:23,313 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_close [2021-12-14 18:36:23,313 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_close [2021-12-14 18:36:23,313 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_speed_and_duplex [2021-12-14 18:36:23,313 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_speed_and_duplex [2021-12-14 18:36:23,313 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_force_ps [2021-12-14 18:36:23,314 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_force_ps [2021-12-14 18:36:23,314 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 18:36:23,314 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 18:36:23,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:36:23,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 18:36:23,315 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 18:36:23,315 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 18:36:23,315 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-14 18:36:23,315 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-14 18:36:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 18:36:23,316 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 18:36:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:36:23,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:36:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:36:23,318 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-14 18:36:23,318 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-14 18:36:23,318 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-12-14 18:36:23,318 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-12-14 18:36:23,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-14 18:36:23,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-14 18:36:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_write_phy_reg [2021-12-14 18:36:23,319 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_write_phy_reg [2021-12-14 18:36:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-14 18:36:23,319 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-14 18:36:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_vlan_mode [2021-12-14 18:36:23,320 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_vlan_mode [2021-12-14 18:36:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 18:36:23,320 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 18:36:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_up [2021-12-14 18:36:23,321 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_up [2021-12-14 18:36:23,321 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 18:36:23,321 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 18:36:23,321 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 18:36:23,321 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 18:36:23,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:36:23,321 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_tx_timeout [2021-12-14 18:36:23,322 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_tx_timeout [2021-12-14 18:36:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_irq_enable [2021-12-14 18:36:23,322 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_irq_enable [2021-12-14 18:36:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 18:36:23,322 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 18:36:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_poll_controller [2021-12-14 18:36:23,323 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_poll_controller [2021-12-14 18:36:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:36:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 18:36:23,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 18:36:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:36:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_irq_disable [2021-12-14 18:36:23,324 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_irq_disable [2021-12-14 18:36:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:36:23,324 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:36:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_stats_lock_of_atl2_adapter [2021-12-14 18:36:23,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_stats_lock_of_atl2_adapter [2021-12-14 18:36:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-14 18:36:23,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-14 18:36:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 18:36:23,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 18:36:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-12-14 18:36:23,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-12-14 18:36:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 18:36:23,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 18:36:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 18:36:23,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 18:36:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_shutdown [2021-12-14 18:36:23,327 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_shutdown [2021-12-14 18:36:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure __atl2_vlan_mode [2021-12-14 18:36:23,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl2_vlan_mode [2021-12-14 18:36:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-14 18:36:23,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-14 18:36:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:36:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-14 18:36:23,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-14 18:36:23,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-14 18:36:23,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-14 18:36:23,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-14 18:36:23,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-14 18:36:23,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:36:23,333 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-14 18:36:23,333 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-14 18:36:23,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:36:23,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:36:23,334 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:36:23,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:36:23,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:36:23,340 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 18:36:23,340 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_set_multi [2021-12-14 18:36:23,340 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_set_multi [2021-12-14 18:36:23,340 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_phy_init [2021-12-14 18:36:23,341 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_phy_init [2021-12-14 18:36:23,341 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 18:36:23,341 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 18:36:23,341 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_configure [2021-12-14 18:36:23,341 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_configure [2021-12-14 18:36:23,341 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_reset_hw [2021-12-14 18:36:23,341 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_reset_hw [2021-12-14 18:36:23,342 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-14 18:36:23,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-14 18:36:23,342 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-14 18:36:23,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-14 18:36:23,342 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_open [2021-12-14 18:36:23,342 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_open [2021-12-14 18:36:23,342 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:36:23,342 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:36:23,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-14 18:36:23,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-14 18:36:23,343 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_validate_option [2021-12-14 18:36:23,343 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_validate_option [2021-12-14 18:36:23,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_stats_lock_of_atl2_adapter [2021-12-14 18:36:23,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_stats_lock_of_atl2_adapter [2021-12-14 18:36:23,344 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 18:36:23,344 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 18:36:23,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:36:23,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:36:23,344 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_intr [2021-12-14 18:36:23,344 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_intr [2021-12-14 18:36:23,344 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-14 18:36:23,345 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-14 18:36:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:36:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:36:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:36:23,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:36:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 18:36:23,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 18:36:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 18:36:23,346 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 18:36:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-14 18:36:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-14 18:36:23,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-14 18:36:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_remove [2021-12-14 18:36:23,346 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_remove [2021-12-14 18:36:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_read_eeprom [2021-12-14 18:36:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_read_eeprom [2021-12-14 18:36:23,347 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-14 18:36:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-14 18:36:23,347 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-14 18:36:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-14 18:36:23,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:36:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:36:23,348 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_request_irq [2021-12-14 18:36:23,348 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_request_irq [2021-12-14 18:36:23,348 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 18:36:23,348 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 18:36:23,348 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_read_phy_reg [2021-12-14 18:36:23,348 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_read_phy_reg [2021-12-14 18:36:23,348 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2021-12-14 18:36:23,349 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2021-12-14 18:36:23,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:36:23,349 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 18:36:23,349 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 18:36:23,349 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-14 18:36:23,349 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-14 18:36:23,349 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 18:36:23,349 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 18:36:23,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:36:23,350 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-14 18:36:23,350 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-14 18:36:23,350 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_suspend [2021-12-14 18:36:23,350 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_suspend [2021-12-14 18:36:23,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:36:23,350 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_reinit_locked [2021-12-14 18:36:23,351 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_reinit_locked [2021-12-14 18:36:23,351 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 18:36:23,351 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 18:36:23,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 18:36:23,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 18:36:23,351 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-14 18:36:23,351 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-14 18:36:23,352 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_resume [2021-12-14 18:36:23,352 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_resume [2021-12-14 18:36:23,352 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 18:36:23,352 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 18:36:23,352 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-14 18:36:23,352 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-14 18:36:23,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_77 [2021-12-14 18:36:23,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_77 [2021-12-14 18:36:23,353 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:36:23,353 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:36:23,353 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:36:23,353 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:36:23,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:36:23,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:36:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:36:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_regs_len [2021-12-14 18:36:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_regs_len [2021-12-14 18:36:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_check_eeprom_exist [2021-12-14 18:36:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_check_eeprom_exist [2021-12-14 18:36:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-14 18:36:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-14 18:36:23,355 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_restore_vlan [2021-12-14 18:36:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_restore_vlan [2021-12-14 18:36:23,355 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-14 18:36:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-14 18:36:23,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_78 [2021-12-14 18:36:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_78 [2021-12-14 18:36:23,355 INFO L130 BoogieDeclarations]: Found specification of procedure init_ring_ptrs [2021-12-14 18:36:23,356 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ring_ptrs [2021-12-14 18:36:23,356 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-14 18:36:23,356 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-14 18:36:23,356 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-14 18:36:23,356 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-14 18:36:23,357 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_free_ring_resources [2021-12-14 18:36:23,360 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_free_ring_resources [2021-12-14 18:36:23,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 18:36:23,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 18:36:23,360 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_down [2021-12-14 18:36:23,360 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_down [2021-12-14 18:36:23,361 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-14 18:36:23,361 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-14 18:36:23,361 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-14 18:36:23,361 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-14 18:36:23,362 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-14 18:36:23,362 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-14 18:36:23,362 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 18:36:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 18:36:23,363 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_init_hw [2021-12-14 18:36:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_init_hw [2021-12-14 18:36:23,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:36:23,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 18:36:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 18:36:23,363 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-14 18:36:24,261 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:36:24,265 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:36:24,379 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:36:31,672 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-14 18:36:31,992 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:36:32,019 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:36:32,019 INFO L301 CfgBuilder]: Removed 7 assume(true) statements. [2021-12-14 18:36:32,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:36:32 BoogieIcfgContainer [2021-12-14 18:36:32,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:36:32,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:36:32,025 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:36:32,028 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:36:32,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:36:19" (1/3) ... [2021-12-14 18:36:32,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2794f0d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:36:32, skipping insertion in model container [2021-12-14 18:36:32,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:22" (2/3) ... [2021-12-14 18:36:32,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2794f0d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:36:32, skipping insertion in model container [2021-12-14 18:36:32,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:36:32" (3/3) ... [2021-12-14 18:36:32,030 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2021-12-14 18:36:32,035 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:36:32,035 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-14 18:36:32,086 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:36:32,091 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 18:36:32,091 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-14 18:36:32,148 INFO L276 IsEmpty]: Start isEmpty. Operand has 2335 states, 1589 states have (on average 1.2542479546884833) internal successors, (1993), 1611 states have internal predecessors, (1993), 624 states have call successors, (624), 120 states have call predecessors, (624), 119 states have return successors, (619), 617 states have call predecessors, (619), 619 states have call successors, (619) [2021-12-14 18:36:32,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-12-14 18:36:32,160 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:36:32,160 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:36:32,161 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:36:32,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:36:32,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1128025312, now seen corresponding path program 1 times [2021-12-14 18:36:32,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:36:32,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614983859] [2021-12-14 18:36:32,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:36:32,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:36:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:32,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:36:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:32,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:32,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:36:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:32,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:32,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:36:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:32,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:32,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:36:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:32,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:32,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:36:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:32,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:32,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:36:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:32,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:32,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:36:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:32,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:32,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:36:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:32,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:32,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:36:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:32,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:32,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:36:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:32,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:32,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:36:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:33,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:33,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:36:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:33,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:33,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:36:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:33,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:33,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-14 18:36:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:33,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:36:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:33,101 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-14 18:36:33,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:36:33,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614983859] [2021-12-14 18:36:33,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614983859] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:36:33,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:36:33,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:36:33,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866705421] [2021-12-14 18:36:33,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:36:33,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:36:33,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:36:33,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:36:33,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:36:33,151 INFO L87 Difference]: Start difference. First operand has 2335 states, 1589 states have (on average 1.2542479546884833) internal successors, (1993), 1611 states have internal predecessors, (1993), 624 states have call successors, (624), 120 states have call predecessors, (624), 119 states have return successors, (619), 617 states have call predecessors, (619), 619 states have call successors, (619) Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-14 18:36:38,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:36:38,910 INFO L93 Difference]: Finished difference Result 7062 states and 9932 transitions. [2021-12-14 18:36:38,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:36:38,912 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 167 [2021-12-14 18:36:38,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:36:38,952 INFO L225 Difference]: With dead ends: 7062 [2021-12-14 18:36:38,952 INFO L226 Difference]: Without dead ends: 4746 [2021-12-14 18:36:38,968 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:36:38,971 INFO L933 BasicCegarLoop]: 3415 mSDtfsCounter, 4125 mSDsluCounter, 3647 mSDsCounter, 0 mSdLazyCounter, 2032 mSolverCounterSat, 1814 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4698 SdHoareTripleChecker+Valid, 7062 SdHoareTripleChecker+Invalid, 3846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1814 IncrementalHoareTripleChecker+Valid, 2032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-12-14 18:36:38,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4698 Valid, 7062 Invalid, 3846 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1814 Valid, 2032 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2021-12-14 18:36:38,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4746 states. [2021-12-14 18:36:39,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4746 to 4498. [2021-12-14 18:36:39,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4498 states, 3063 states have (on average 1.2396343454129939) internal successors, (3797), 3105 states have internal predecessors, (3797), 1197 states have call successors, (1197), 236 states have call predecessors, (1197), 235 states have return successors, (1194), 1190 states have call predecessors, (1194), 1194 states have call successors, (1194) [2021-12-14 18:36:39,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4498 states to 4498 states and 6188 transitions. [2021-12-14 18:36:39,290 INFO L78 Accepts]: Start accepts. Automaton has 4498 states and 6188 transitions. Word has length 167 [2021-12-14 18:36:39,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:36:39,291 INFO L470 AbstractCegarLoop]: Abstraction has 4498 states and 6188 transitions. [2021-12-14 18:36:39,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-14 18:36:39,292 INFO L276 IsEmpty]: Start isEmpty. Operand 4498 states and 6188 transitions. [2021-12-14 18:36:39,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-14 18:36:39,296 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:36:39,296 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:36:39,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:36:39,297 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:36:39,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:36:39,298 INFO L85 PathProgramCache]: Analyzing trace with hash 75480426, now seen corresponding path program 1 times [2021-12-14 18:36:39,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:36:39,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421817369] [2021-12-14 18:36:39,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:36:39,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:36:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:36:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:36:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:36:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:36:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:36:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:36:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:36:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:36:39,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:36:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:36:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:36:39,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:36:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:36:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-14 18:36:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-14 18:36:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:39,717 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-14 18:36:39,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:36:39,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421817369] [2021-12-14 18:36:39,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421817369] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:36:39,718 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:36:39,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:36:39,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446250737] [2021-12-14 18:36:39,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:36:39,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:36:39,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:36:39,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:36:39,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:36:39,721 INFO L87 Difference]: Start difference. First operand 4498 states and 6188 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-14 18:36:45,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:36:45,471 INFO L93 Difference]: Finished difference Result 13698 states and 18957 transitions. [2021-12-14 18:36:45,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:36:45,472 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 171 [2021-12-14 18:36:45,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:36:45,529 INFO L225 Difference]: With dead ends: 13698 [2021-12-14 18:36:45,529 INFO L226 Difference]: Without dead ends: 9231 [2021-12-14 18:36:45,549 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:36:45,551 INFO L933 BasicCegarLoop]: 3389 mSDtfsCounter, 4083 mSDsluCounter, 3599 mSDsCounter, 0 mSdLazyCounter, 1989 mSolverCounterSat, 1846 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4629 SdHoareTripleChecker+Valid, 6988 SdHoareTripleChecker+Invalid, 3835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1846 IncrementalHoareTripleChecker+Valid, 1989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-12-14 18:36:45,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4629 Valid, 6988 Invalid, 3835 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1846 Valid, 1989 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2021-12-14 18:36:45,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9231 states. [2021-12-14 18:36:46,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9231 to 8721. [2021-12-14 18:36:46,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8721 states, 5971 states have (on average 1.2440127281862334) internal successors, (7428), 6063 states have internal predecessors, (7428), 2286 states have call successors, (2286), 468 states have call predecessors, (2286), 461 states have return successors, (2307), 2251 states have call predecessors, (2307), 2283 states have call successors, (2307) [2021-12-14 18:36:46,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8721 states to 8721 states and 12021 transitions. [2021-12-14 18:36:46,071 INFO L78 Accepts]: Start accepts. Automaton has 8721 states and 12021 transitions. Word has length 171 [2021-12-14 18:36:46,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:36:46,072 INFO L470 AbstractCegarLoop]: Abstraction has 8721 states and 12021 transitions. [2021-12-14 18:36:46,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-14 18:36:46,073 INFO L276 IsEmpty]: Start isEmpty. Operand 8721 states and 12021 transitions. [2021-12-14 18:36:46,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-12-14 18:36:46,080 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:36:46,080 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:36:46,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:36:46,081 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:36:46,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:36:46,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1694760687, now seen corresponding path program 1 times [2021-12-14 18:36:46,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:36:46,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660766603] [2021-12-14 18:36:46,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:36:46,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:36:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:36:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:36:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:36:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:36:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:36:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:36:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:36:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:36:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:36:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:36:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:36:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:36:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:36:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-14 18:36:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-14 18:36:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-14 18:36:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-14 18:36:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:46,464 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-14 18:36:46,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:36:46,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660766603] [2021-12-14 18:36:46,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660766603] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:36:46,465 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:36:46,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:36:46,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660917780] [2021-12-14 18:36:46,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:36:46,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:36:46,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:36:46,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:36:46,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:36:46,468 INFO L87 Difference]: Start difference. First operand 8721 states and 12021 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-14 18:36:51,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:36:51,612 INFO L93 Difference]: Finished difference Result 26881 states and 37286 transitions. [2021-12-14 18:36:51,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:36:51,613 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 184 [2021-12-14 18:36:51,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:36:51,719 INFO L225 Difference]: With dead ends: 26881 [2021-12-14 18:36:51,720 INFO L226 Difference]: Without dead ends: 18191 [2021-12-14 18:36:51,764 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:36:51,769 INFO L933 BasicCegarLoop]: 3419 mSDtfsCounter, 4101 mSDsluCounter, 3646 mSDsCounter, 0 mSdLazyCounter, 2029 mSolverCounterSat, 1870 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4663 SdHoareTripleChecker+Valid, 7065 SdHoareTripleChecker+Invalid, 3899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1870 IncrementalHoareTripleChecker+Valid, 2029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-12-14 18:36:51,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4663 Valid, 7065 Invalid, 3899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1870 Valid, 2029 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-12-14 18:36:51,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18191 states. [2021-12-14 18:36:52,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18191 to 17209. [2021-12-14 18:36:52,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17209 states, 11793 states have (on average 1.2446366488594929) internal successors, (14678), 11985 states have internal predecessors, (14678), 4502 states have call successors, (4502), 930 states have call predecessors, (4502), 911 states have return successors, (4597), 4413 states have call predecessors, (4597), 4499 states have call successors, (4597) [2021-12-14 18:36:52,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17209 states to 17209 states and 23777 transitions. [2021-12-14 18:36:52,565 INFO L78 Accepts]: Start accepts. Automaton has 17209 states and 23777 transitions. Word has length 184 [2021-12-14 18:36:52,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:36:52,567 INFO L470 AbstractCegarLoop]: Abstraction has 17209 states and 23777 transitions. [2021-12-14 18:36:52,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-14 18:36:52,567 INFO L276 IsEmpty]: Start isEmpty. Operand 17209 states and 23777 transitions. [2021-12-14 18:36:52,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-12-14 18:36:52,571 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:36:52,571 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:36:52,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 18:36:52,571 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:36:52,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:36:52,575 INFO L85 PathProgramCache]: Analyzing trace with hash -2004995607, now seen corresponding path program 1 times [2021-12-14 18:36:52,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:36:52,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81873705] [2021-12-14 18:36:52,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:36:52,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:36:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:36:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:36:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:36:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:36:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:36:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:36:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:36:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:36:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:36:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:36:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:36:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:36:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:36:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-14 18:36:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-14 18:36:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:52,893 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-12-14 18:36:52,894 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:36:52,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81873705] [2021-12-14 18:36:52,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81873705] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:36:52,894 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:36:52,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:36:52,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543372289] [2021-12-14 18:36:52,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:36:52,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:36:52,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:36:52,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:36:52,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:36:52,897 INFO L87 Difference]: Start difference. First operand 17209 states and 23777 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-14 18:36:57,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:36:57,515 INFO L93 Difference]: Finished difference Result 48063 states and 66340 transitions. [2021-12-14 18:36:57,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:36:57,516 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 189 [2021-12-14 18:36:57,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:36:57,678 INFO L225 Difference]: With dead ends: 48063 [2021-12-14 18:36:57,679 INFO L226 Difference]: Without dead ends: 30885 [2021-12-14 18:36:57,754 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:36:57,757 INFO L933 BasicCegarLoop]: 3282 mSDtfsCounter, 3388 mSDsluCounter, 3556 mSDsCounter, 0 mSdLazyCounter, 1997 mSolverCounterSat, 1724 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3847 SdHoareTripleChecker+Valid, 6838 SdHoareTripleChecker+Invalid, 3721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1724 IncrementalHoareTripleChecker+Valid, 1997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-14 18:36:57,758 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3847 Valid, 6838 Invalid, 3721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1724 Valid, 1997 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-14 18:36:57,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30885 states. [2021-12-14 18:36:58,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30885 to 29445. [2021-12-14 18:36:58,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29445 states, 20005 states have (on average 1.2349912521869533) internal successors, (24706), 20349 states have internal predecessors, (24706), 7722 states have call successors, (7722), 1754 states have call predecessors, (7722), 1715 states have return successors, (7907), 7545 states have call predecessors, (7907), 7719 states have call successors, (7907) [2021-12-14 18:36:59,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29445 states to 29445 states and 40335 transitions. [2021-12-14 18:36:59,112 INFO L78 Accepts]: Start accepts. Automaton has 29445 states and 40335 transitions. Word has length 189 [2021-12-14 18:36:59,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:36:59,116 INFO L470 AbstractCegarLoop]: Abstraction has 29445 states and 40335 transitions. [2021-12-14 18:36:59,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-14 18:36:59,118 INFO L276 IsEmpty]: Start isEmpty. Operand 29445 states and 40335 transitions. [2021-12-14 18:36:59,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-12-14 18:36:59,122 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:36:59,122 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 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] [2021-12-14 18:36:59,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 18:36:59,123 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:36:59,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:36:59,123 INFO L85 PathProgramCache]: Analyzing trace with hash -35456696, now seen corresponding path program 1 times [2021-12-14 18:36:59,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:36:59,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829035194] [2021-12-14 18:36:59,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:36:59,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:36:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:36:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:36:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:36:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:36:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:59,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:36:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:36:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:36:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:36:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:36:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:36:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:36:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:36:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:36:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-14 18:36:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 18:36:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-14 18:36:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-14 18:36:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-14 18:36:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:36:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-14 18:36:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-14 18:36:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-14 18:36:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:36:59,465 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2021-12-14 18:36:59,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:36:59,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829035194] [2021-12-14 18:36:59,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829035194] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:36:59,466 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:36:59,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:36:59,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331546642] [2021-12-14 18:36:59,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:36:59,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:36:59,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:36:59,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:36:59,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:36:59,468 INFO L87 Difference]: Start difference. First operand 29445 states and 40335 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-14 18:37:04,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:37:04,728 INFO L93 Difference]: Finished difference Result 61066 states and 84001 transitions. [2021-12-14 18:37:04,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:37:04,728 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 219 [2021-12-14 18:37:04,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:37:04,953 INFO L225 Difference]: With dead ends: 61066 [2021-12-14 18:37:04,954 INFO L226 Difference]: Without dead ends: 46122 [2021-12-14 18:37:05,029 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:37:05,032 INFO L933 BasicCegarLoop]: 5837 mSDtfsCounter, 3290 mSDsluCounter, 4766 mSDsCounter, 0 mSdLazyCounter, 2101 mSolverCounterSat, 1248 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3857 SdHoareTripleChecker+Valid, 10603 SdHoareTripleChecker+Invalid, 3349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1248 IncrementalHoareTripleChecker+Valid, 2101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-14 18:37:05,033 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3857 Valid, 10603 Invalid, 3349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1248 Valid, 2101 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-12-14 18:37:05,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46122 states. [2021-12-14 18:37:06,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46122 to 44003. [2021-12-14 18:37:06,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44003 states, 29904 states have (on average 1.2351190476190477) internal successors, (36935), 30411 states have internal predecessors, (36935), 11524 states have call successors, (11524), 2630 states have call predecessors, (11524), 2572 states have return successors, (11803), 11267 states have call predecessors, (11803), 11521 states have call successors, (11803) [2021-12-14 18:37:06,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44003 states to 44003 states and 60262 transitions. [2021-12-14 18:37:06,863 INFO L78 Accepts]: Start accepts. Automaton has 44003 states and 60262 transitions. Word has length 219 [2021-12-14 18:37:06,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:37:06,864 INFO L470 AbstractCegarLoop]: Abstraction has 44003 states and 60262 transitions. [2021-12-14 18:37:06,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-14 18:37:06,864 INFO L276 IsEmpty]: Start isEmpty. Operand 44003 states and 60262 transitions. [2021-12-14 18:37:06,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-12-14 18:37:06,868 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:37:06,869 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 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] [2021-12-14 18:37:06,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 18:37:06,869 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:37:06,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:37:06,870 INFO L85 PathProgramCache]: Analyzing trace with hash 387245130, now seen corresponding path program 1 times [2021-12-14 18:37:06,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:37:06,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324578630] [2021-12-14 18:37:06,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:37:06,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:37:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:37:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:37:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:37:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:07,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:37:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:37:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:37:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:37:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:37:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:37:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:37:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:37:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:37:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:37:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-14 18:37:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 18:37:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-14 18:37:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-14 18:37:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-14 18:37:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:37:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-14 18:37:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-14 18:37:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-14 18:37:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:37:07,348 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2021-12-14 18:37:07,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:37:07,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324578630] [2021-12-14 18:37:07,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324578630] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:37:07,348 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:37:07,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:37:07,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145544121] [2021-12-14 18:37:07,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:37:07,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:37:07,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:37:07,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:37:07,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:37:07,350 INFO L87 Difference]: Start difference. First operand 44003 states and 60262 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)