./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.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 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 11:02:39,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 11:02:39,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 11:02:39,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 11:02:39,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 11:02:39,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 11:02:39,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 11:02:39,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 11:02:39,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 11:02:39,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 11:02:39,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 11:02:39,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 11:02:39,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 11:02:39,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 11:02:39,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 11:02:39,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 11:02:39,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 11:02:39,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 11:02:39,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 11:02:39,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 11:02:39,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 11:02:39,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 11:02:39,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 11:02:39,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 11:02:39,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 11:02:39,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 11:02:39,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 11:02:39,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 11:02:39,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 11:02:39,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 11:02:39,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 11:02:39,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 11:02:39,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 11:02:39,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 11:02:39,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 11:02:39,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 11:02:39,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 11:02:39,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 11:02:39,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 11:02:39,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 11:02:39,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 11:02:39,175 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 11:02:39,214 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 11:02:39,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 11:02:39,215 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 11:02:39,215 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 11:02:39,216 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 11:02:39,216 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 11:02:39,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 11:02:39,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 11:02:39,216 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 11:02:39,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 11:02:39,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 11:02:39,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 11:02:39,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 11:02:39,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 11:02:39,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 11:02:39,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 11:02:39,218 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 11:02:39,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 11:02:39,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 11:02:39,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 11:02:39,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 11:02:39,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 11:02:39,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 11:02:39,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 11:02:39,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 11:02:39,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 11:02:39,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 11:02:39,219 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 11:02:39,220 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 11:02:39,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 11:02:39,220 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 11:02:39,220 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2021-11-17 11:02:39,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 11:02:39,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 11:02:39,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 11:02:39,426 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 11:02:39,439 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 11:02:39,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-17 11:02:39,489 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c271d361d/43c43ae2eec547ff80d825a34931c1af/FLAG51c946657 [2021-11-17 11:02:40,196 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 11:02:40,197 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-17 11:02:40,246 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c271d361d/43c43ae2eec547ff80d825a34931c1af/FLAG51c946657 [2021-11-17 11:02:40,753 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c271d361d/43c43ae2eec547ff80d825a34931c1af [2021-11-17 11:02:40,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 11:02:40,756 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 11:02:40,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 11:02:40,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 11:02:40,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 11:02:40,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:02:40" (1/1) ... [2021-11-17 11:02:40,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@145625aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:02:40, skipping insertion in model container [2021-11-17 11:02:40,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:02:40" (1/1) ... [2021-11-17 11:02:40,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 11:02:40,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 11:02:43,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2021-11-17 11:02:43,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2021-11-17 11:02:43,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2021-11-17 11:02:43,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2021-11-17 11:02:43,409 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 11:02:43,428 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 11:02:43,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2021-11-17 11:02:43,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2021-11-17 11:02:43,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2021-11-17 11:02:43,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2021-11-17 11:02:43,766 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 11:02:43,893 INFO L208 MainTranslator]: Completed translation [2021-11-17 11:02:43,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:02:43 WrapperNode [2021-11-17 11:02:43,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 11:02:43,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 11:02:43,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 11:02:43,895 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 11:02:43,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:02:43" (1/1) ... [2021-11-17 11:02:44,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:02:43" (1/1) ... [2021-11-17 11:02:44,249 INFO L137 Inliner]: procedures = 544, calls = 4122, calls flagged for inlining = 248, calls inlined = 231, statements flattened = 8567 [2021-11-17 11:02:44,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 11:02:44,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 11:02:44,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 11:02:44,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 11:02:44,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:02:43" (1/1) ... [2021-11-17 11:02:44,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:02:43" (1/1) ... [2021-11-17 11:02:44,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:02:43" (1/1) ... [2021-11-17 11:02:44,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:02:43" (1/1) ... [2021-11-17 11:02:44,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:02:43" (1/1) ... [2021-11-17 11:02:44,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:02:43" (1/1) ... [2021-11-17 11:02:44,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:02:43" (1/1) ... [2021-11-17 11:02:44,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 11:02:44,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 11:02:44,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 11:02:44,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 11:02:44,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:02:43" (1/1) ... [2021-11-17 11:02:44,491 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 11:02:44,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 11:02:44,518 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 11:02:44,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 11:02:44,636 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2021-11-17 11:02:44,636 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2021-11-17 11:02:44,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 11:02:44,636 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 11:02:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-17 11:02:44,637 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-17 11:02:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 11:02:44,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 11:02:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2021-11-17 11:02:44,637 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2021-11-17 11:02:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2021-11-17 11:02:44,637 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2021-11-17 11:02:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-17 11:02:44,638 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-17 11:02:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2021-11-17 11:02:44,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2021-11-17 11:02:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 11:02:44,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 11:02:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2021-11-17 11:02:44,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2021-11-17 11:02:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2021-11-17 11:02:44,638 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2021-11-17 11:02:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2021-11-17 11:02:44,639 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2021-11-17 11:02:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 11:02:44,639 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 11:02:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2021-11-17 11:02:44,639 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2021-11-17 11:02:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2021-11-17 11:02:44,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2021-11-17 11:02:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 11:02:44,640 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 11:02:44,640 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2021-11-17 11:02:44,640 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2021-11-17 11:02:44,640 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2021-11-17 11:02:44,640 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2021-11-17 11:02:44,640 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2021-11-17 11:02:44,640 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2021-11-17 11:02:44,640 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-17 11:02:44,640 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-17 11:02:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2021-11-17 11:02:44,641 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2021-11-17 11:02:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-17 11:02:44,641 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-17 11:02:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 11:02:44,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 11:02:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2021-11-17 11:02:44,641 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2021-11-17 11:02:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2021-11-17 11:02:44,642 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2021-11-17 11:02:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 11:02:44,642 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 11:02:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 11:02:44,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 11:02:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-11-17 11:02:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2021-11-17 11:02:44,642 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2021-11-17 11:02:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 11:02:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-11-17 11:02:44,643 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-11-17 11:02:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-17 11:02:44,643 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-17 11:02:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-11-17 11:02:44,643 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-11-17 11:02:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2021-11-17 11:02:44,644 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2021-11-17 11:02:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 11:02:44,644 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 11:02:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 11:02:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-17 11:02:44,644 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-17 11:02:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2021-11-17 11:02:44,644 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2021-11-17 11:02:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2021-11-17 11:02:44,645 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2021-11-17 11:02:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 11:02:44,645 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 11:02:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 11:02:44,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 11:02:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-17 11:02:44,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-17 11:02:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 11:02:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 11:02:44,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 11:02:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 11:02:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 11:02:44,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 11:02:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 11:02:44,646 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 11:02:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-17 11:02:44,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-17 11:02:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-17 11:02:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-17 11:02:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2021-11-17 11:02:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2021-11-17 11:02:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 11:02:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 11:02:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2021-11-17 11:02:44,647 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2021-11-17 11:02:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 11:02:44,648 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 11:02:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-17 11:02:44,648 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-17 11:02:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2021-11-17 11:02:44,648 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2021-11-17 11:02:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 11:02:44,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 11:02:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-11-17 11:02:44,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-11-17 11:02:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2021-11-17 11:02:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2021-11-17 11:02:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 11:02:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-17 11:02:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-17 11:02:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-17 11:02:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-17 11:02:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2021-11-17 11:02:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2021-11-17 11:02:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 11:02:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2021-11-17 11:02:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2021-11-17 11:02:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 11:02:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 11:02:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 11:02:44,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 11:02:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 11:02:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 11:02:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 11:02:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2021-11-17 11:02:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2021-11-17 11:02:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-17 11:02:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-17 11:02:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 11:02:44,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 11:02:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2021-11-17 11:02:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2021-11-17 11:02:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2021-11-17 11:02:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2021-11-17 11:02:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2021-11-17 11:02:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2021-11-17 11:02:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-17 11:02:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-17 11:02:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2021-11-17 11:02:44,652 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2021-11-17 11:02:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 11:02:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 11:02:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2021-11-17 11:02:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2021-11-17 11:02:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-17 11:02:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-17 11:02:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-17 11:02:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-17 11:02:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2021-11-17 11:02:44,653 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2021-11-17 11:02:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2021-11-17 11:02:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2021-11-17 11:02:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 11:02:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 11:02:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2021-11-17 11:02:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2021-11-17 11:02:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-17 11:02:44,654 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-17 11:02:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2021-11-17 11:02:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2021-11-17 11:02:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 11:02:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 11:02:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 11:02:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 11:02:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2021-11-17 11:02:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2021-11-17 11:02:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 11:02:44,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 11:02:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-17 11:02:44,656 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-17 11:02:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2021-11-17 11:02:44,656 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2021-11-17 11:02:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2021-11-17 11:02:44,656 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2021-11-17 11:02:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-17 11:02:44,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-17 11:02:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2021-11-17 11:02:44,656 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2021-11-17 11:02:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2021-11-17 11:02:44,657 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2021-11-17 11:02:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2021-11-17 11:02:44,657 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2021-11-17 11:02:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2021-11-17 11:02:44,657 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2021-11-17 11:02:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2021-11-17 11:02:44,657 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2021-11-17 11:02:44,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 11:02:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 11:02:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2021-11-17 11:02:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2021-11-17 11:02:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-17 11:02:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-17 11:02:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2021-11-17 11:02:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2021-11-17 11:02:44,658 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-17 11:02:44,658 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-17 11:02:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2021-11-17 11:02:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2021-11-17 11:02:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2021-11-17 11:02:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2021-11-17 11:02:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-17 11:02:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-17 11:02:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2021-11-17 11:02:44,659 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2021-11-17 11:02:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 11:02:44,659 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2021-11-17 11:02:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2021-11-17 11:02:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2021-11-17 11:02:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2021-11-17 11:02:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2021-11-17 11:02:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2021-11-17 11:02:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2021-11-17 11:02:44,660 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2021-11-17 11:02:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 11:02:44,660 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2021-11-17 11:02:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2021-11-17 11:02:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2021-11-17 11:02:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2021-11-17 11:02:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2021-11-17 11:02:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2021-11-17 11:02:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 11:02:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-17 11:02:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-17 11:02:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2021-11-17 11:02:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2021-11-17 11:02:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 11:02:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 11:02:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-11-17 11:02:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-11-17 11:02:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2021-11-17 11:02:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2021-11-17 11:02:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2021-11-17 11:02:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2021-11-17 11:02:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 11:02:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 11:02:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-17 11:02:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-17 11:02:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-17 11:02:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-17 11:02:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2021-11-17 11:02:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2021-11-17 11:02:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 11:02:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 11:02:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-11-17 11:02:44,664 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-11-17 11:02:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2021-11-17 11:02:44,664 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2021-11-17 11:02:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2021-11-17 11:02:44,664 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2021-11-17 11:02:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2021-11-17 11:02:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2021-11-17 11:02:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2021-11-17 11:02:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2021-11-17 11:02:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-17 11:02:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-17 11:02:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-17 11:02:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-17 11:02:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 11:02:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 11:02:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2021-11-17 11:02:44,666 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2021-11-17 11:02:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-17 11:02:44,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-17 11:02:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_73 [2021-11-17 11:02:44,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_73 [2021-11-17 11:02:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2021-11-17 11:02:44,666 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2021-11-17 11:02:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 11:02:44,666 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2021-11-17 11:02:44,667 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2021-11-17 11:02:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 11:02:44,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 11:02:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2021-11-17 11:02:44,667 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2021-11-17 11:02:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-17 11:02:44,667 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-17 11:02:44,667 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2021-11-17 11:02:44,667 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2021-11-17 11:02:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-17 11:02:44,668 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-17 11:02:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2021-11-17 11:02:44,668 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2021-11-17 11:02:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2021-11-17 11:02:44,668 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2021-11-17 11:02:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2021-11-17 11:02:44,668 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2021-11-17 11:02:44,668 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2021-11-17 11:02:44,668 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2021-11-17 11:02:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 11:02:44,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 11:02:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2021-11-17 11:02:44,669 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2021-11-17 11:02:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2021-11-17 11:02:44,669 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2021-11-17 11:02:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2021-11-17 11:02:44,669 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2021-11-17 11:02:44,669 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2021-11-17 11:02:44,669 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2021-11-17 11:02:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2021-11-17 11:02:44,670 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2021-11-17 11:02:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2021-11-17 11:02:44,670 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2021-11-17 11:02:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-17 11:02:44,670 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-17 11:02:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2021-11-17 11:02:44,670 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2021-11-17 11:02:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2021-11-17 11:02:44,671 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2021-11-17 11:02:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-11-17 11:02:44,671 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-11-17 11:02:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2021-11-17 11:02:44,671 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2021-11-17 11:02:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2021-11-17 11:02:44,671 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2021-11-17 11:02:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2021-11-17 11:02:44,671 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2021-11-17 11:02:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 11:02:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 11:02:44,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 11:02:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-17 11:02:45,486 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 11:02:45,489 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 11:02:45,832 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 11:02:57,098 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-17 11:02:57,276 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 11:02:57,305 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 11:02:57,306 INFO L301 CfgBuilder]: Removed 17 assume(true) statements. [2021-11-17 11:02:57,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:02:57 BoogieIcfgContainer [2021-11-17 11:02:57,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 11:02:57,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 11:02:57,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 11:02:57,314 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 11:02:57,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 11:02:40" (1/3) ... [2021-11-17 11:02:57,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b71dab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:02:57, skipping insertion in model container [2021-11-17 11:02:57,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:02:43" (2/3) ... [2021-11-17 11:02:57,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b71dab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:02:57, skipping insertion in model container [2021-11-17 11:02:57,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:02:57" (3/3) ... [2021-11-17 11:02:57,316 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-17 11:02:57,321 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 11:02:57,321 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-17 11:02:57,383 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 11:02:57,393 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 11:02:57,393 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-17 11:02:57,480 INFO L276 IsEmpty]: Start isEmpty. Operand has 3959 states, 2824 states have (on average 1.3533994334277621) internal successors, (3822), 2886 states have internal predecessors, (3822), 996 states have call successors, (996), 153 states have call predecessors, (996), 152 states have return successors, (989), 975 states have call predecessors, (989), 989 states have call successors, (989) [2021-11-17 11:02:57,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-11-17 11:02:57,490 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:02:57,491 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:02:57,492 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:02:57,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:02:57,495 INFO L85 PathProgramCache]: Analyzing trace with hash -467583431, now seen corresponding path program 1 times [2021-11-17 11:02:57,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:02:57,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137176407] [2021-11-17 11:02:57,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:02:57,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:02:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:02:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:02:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:02:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:02:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:02:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:02:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:02:58,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:02:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:02:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:02:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:02:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:02:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:02:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:02:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:02:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:02:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 11:02:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:02:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:02:58,393 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-17 11:02:58,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:02:58,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137176407] [2021-11-17 11:02:58,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137176407] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:02:58,395 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:02:58,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 11:02:58,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22457671] [2021-11-17 11:02:58,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:02:58,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 11:02:58,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:02:58,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 11:02:58,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 11:02:58,430 INFO L87 Difference]: Start difference. First operand has 3959 states, 2824 states have (on average 1.3533994334277621) internal successors, (3822), 2886 states have internal predecessors, (3822), 996 states have call successors, (996), 153 states have call predecessors, (996), 152 states have return successors, (989), 975 states have call predecessors, (989), 989 states have call successors, (989) Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-17 11:03:00,478 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:03:02,518 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:03:12,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:03:12,061 INFO L93 Difference]: Finished difference Result 11984 states and 17999 transitions. [2021-11-17 11:03:12,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 11:03:12,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 189 [2021-11-17 11:03:12,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:03:12,194 INFO L225 Difference]: With dead ends: 11984 [2021-11-17 11:03:12,196 INFO L226 Difference]: Without dead ends: 8046 [2021-11-17 11:03:12,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:03:12,300 INFO L933 BasicCegarLoop]: 5351 mSDtfsCounter, 9144 mSDsluCounter, 4870 mSDsCounter, 0 mSdLazyCounter, 4352 mSolverCounterSat, 3961 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10015 SdHoareTripleChecker+Valid, 10221 SdHoareTripleChecker+Invalid, 8315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3961 IncrementalHoareTripleChecker+Valid, 4352 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2021-11-17 11:03:12,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10015 Valid, 10221 Invalid, 8315 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3961 Valid, 4352 Invalid, 2 Unknown, 0 Unchecked, 12.9s Time] [2021-11-17 11:03:12,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8046 states. [2021-11-17 11:03:12,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8046 to 7694. [2021-11-17 11:03:12,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7694 states, 5485 states have (on average 1.3522333637192343) internal successors, (7417), 5577 states have internal predecessors, (7417), 1905 states have call successors, (1905), 302 states have call predecessors, (1905), 301 states have return successors, (1902), 1874 states have call predecessors, (1902), 1902 states have call successors, (1902) [2021-11-17 11:03:12,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7694 states to 7694 states and 11224 transitions. [2021-11-17 11:03:12,936 INFO L78 Accepts]: Start accepts. Automaton has 7694 states and 11224 transitions. Word has length 189 [2021-11-17 11:03:12,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:03:12,941 INFO L470 AbstractCegarLoop]: Abstraction has 7694 states and 11224 transitions. [2021-11-17 11:03:12,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-17 11:03:12,942 INFO L276 IsEmpty]: Start isEmpty. Operand 7694 states and 11224 transitions. [2021-11-17 11:03:12,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-17 11:03:12,950 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:03:12,951 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:03:12,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 11:03:12,951 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)] === [2021-11-17 11:03:12,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:03:12,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1633531592, now seen corresponding path program 1 times [2021-11-17 11:03:12,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:03:12,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406024980] [2021-11-17 11:03:12,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:03:12,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:03:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:03:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:03:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:03:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:03:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:03:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:03:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:03:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:03:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:03:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:03:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:03:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:03:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:03:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:13,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:03:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:03:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 11:03:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 11:03:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-11-17 11:03:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:13,420 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-17 11:03:13,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:03:13,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406024980] [2021-11-17 11:03:13,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406024980] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:03:13,422 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:03:13,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 11:03:13,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607776665] [2021-11-17 11:03:13,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:03:13,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 11:03:13,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:03:13,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 11:03:13,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 11:03:13,425 INFO L87 Difference]: Start difference. First operand 7694 states and 11224 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-17 11:03:15,451 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:03:17,480 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:03:27,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:03:27,446 INFO L93 Difference]: Finished difference Result 23286 states and 34479 transitions. [2021-11-17 11:03:27,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 11:03:27,447 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 195 [2021-11-17 11:03:27,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:03:27,538 INFO L225 Difference]: With dead ends: 23286 [2021-11-17 11:03:27,539 INFO L226 Difference]: Without dead ends: 15627 [2021-11-17 11:03:27,586 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:03:27,587 INFO L933 BasicCegarLoop]: 5341 mSDtfsCounter, 8975 mSDsluCounter, 5085 mSDsCounter, 0 mSdLazyCounter, 4422 mSolverCounterSat, 4035 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9795 SdHoareTripleChecker+Valid, 10426 SdHoareTripleChecker+Invalid, 8459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4035 IncrementalHoareTripleChecker+Valid, 4422 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2021-11-17 11:03:27,591 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9795 Valid, 10426 Invalid, 8459 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4035 Valid, 4422 Invalid, 2 Unknown, 0 Unchecked, 13.3s Time] [2021-11-17 11:03:27,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15627 states. [2021-11-17 11:03:28,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15627 to 15201. [2021-11-17 11:03:28,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15201 states, 10863 states have (on average 1.3469575623676702) internal successors, (14632), 10957 states have internal predecessors, (14632), 3698 states have call successors, (3698), 600 states have call predecessors, (3698), 637 states have return successors, (4175), 3763 states have call predecessors, (4175), 3695 states have call successors, (4175) [2021-11-17 11:03:28,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15201 states to 15201 states and 22505 transitions. [2021-11-17 11:03:28,444 INFO L78 Accepts]: Start accepts. Automaton has 15201 states and 22505 transitions. Word has length 195 [2021-11-17 11:03:28,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:03:28,446 INFO L470 AbstractCegarLoop]: Abstraction has 15201 states and 22505 transitions. [2021-11-17 11:03:28,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-17 11:03:28,456 INFO L276 IsEmpty]: Start isEmpty. Operand 15201 states and 22505 transitions. [2021-11-17 11:03:28,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-17 11:03:28,460 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:03:28,460 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:03:28,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 11:03:28,460 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)] === [2021-11-17 11:03:28,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:03:28,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1814963991, now seen corresponding path program 1 times [2021-11-17 11:03:28,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:03:28,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382833449] [2021-11-17 11:03:28,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:03:28,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:03:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:03:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:03:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:03:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:28,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:03:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:03:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:03:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:03:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:03:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:03:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:03:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:03:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:03:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:03:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:03:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:03:28,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 11:03:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-11-17 11:03:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:28,791 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-17 11:03:28,792 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:03:28,792 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382833449] [2021-11-17 11:03:28,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382833449] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:03:28,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:03:28,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 11:03:28,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419143354] [2021-11-17 11:03:28,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:03:28,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 11:03:28,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:03:28,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 11:03:28,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 11:03:28,796 INFO L87 Difference]: Start difference. First operand 15201 states and 22505 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-17 11:03:30,831 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:03:32,856 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:03:41,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:03:41,696 INFO L93 Difference]: Finished difference Result 46139 states and 68664 transitions. [2021-11-17 11:03:41,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 11:03:41,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 205 [2021-11-17 11:03:41,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:03:41,882 INFO L225 Difference]: With dead ends: 46139 [2021-11-17 11:03:41,882 INFO L226 Difference]: Without dead ends: 30973 [2021-11-17 11:03:41,958 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:03:41,963 INFO L933 BasicCegarLoop]: 5330 mSDtfsCounter, 9096 mSDsluCounter, 4858 mSDsCounter, 0 mSdLazyCounter, 4380 mSolverCounterSat, 4007 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9960 SdHoareTripleChecker+Valid, 10188 SdHoareTripleChecker+Invalid, 8389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4007 IncrementalHoareTripleChecker+Valid, 4380 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2021-11-17 11:03:41,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9960 Valid, 10188 Invalid, 8389 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4007 Valid, 4380 Invalid, 2 Unknown, 0 Unchecked, 12.0s Time] [2021-11-17 11:03:41,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30973 states. [2021-11-17 11:03:43,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30973 to 30449. [2021-11-17 11:03:43,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30449 states, 21795 states have (on average 1.3443450332645102) internal successors, (29300), 21887 states have internal predecessors, (29300), 7340 states have call successors, (7340), 1198 states have call predecessors, (7340), 1311 states have return successors, (8613), 7603 states have call predecessors, (8613), 7337 states have call successors, (8613) [2021-11-17 11:03:43,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30449 states to 30449 states and 45253 transitions. [2021-11-17 11:03:43,565 INFO L78 Accepts]: Start accepts. Automaton has 30449 states and 45253 transitions. Word has length 205 [2021-11-17 11:03:43,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:03:43,567 INFO L470 AbstractCegarLoop]: Abstraction has 30449 states and 45253 transitions. [2021-11-17 11:03:43,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-17 11:03:43,567 INFO L276 IsEmpty]: Start isEmpty. Operand 30449 states and 45253 transitions. [2021-11-17 11:03:43,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-17 11:03:43,573 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:03:43,573 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:03:43,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 11:03:43,574 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)] === [2021-11-17 11:03:43,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:03:43,574 INFO L85 PathProgramCache]: Analyzing trace with hash -202220775, now seen corresponding path program 1 times [2021-11-17 11:03:43,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:03:43,575 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121325127] [2021-11-17 11:03:43,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:03:43,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:03:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:03:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:03:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:03:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:03:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:03:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:03:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:03:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:03:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:03:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:03:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:03:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:03:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:03:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:03:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:03:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 11:03:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:03:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:43,959 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-17 11:03:43,959 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:03:43,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121325127] [2021-11-17 11:03:43,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121325127] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:03:43,960 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:03:43,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 11:03:43,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126754062] [2021-11-17 11:03:43,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:03:43,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 11:03:43,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:03:43,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 11:03:43,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 11:03:43,961 INFO L87 Difference]: Start difference. First operand 30449 states and 45253 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-17 11:03:45,992 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:03:48,013 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:03:55,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:03:55,852 INFO L93 Difference]: Finished difference Result 91901 states and 136942 transitions. [2021-11-17 11:03:55,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 11:03:55,852 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 206 [2021-11-17 11:03:55,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:03:56,447 INFO L225 Difference]: With dead ends: 91901 [2021-11-17 11:03:56,447 INFO L226 Difference]: Without dead ends: 61487 [2021-11-17 11:03:56,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:03:56,562 INFO L933 BasicCegarLoop]: 5336 mSDtfsCounter, 9092 mSDsluCounter, 4865 mSDsCounter, 0 mSdLazyCounter, 4380 mSolverCounterSat, 4007 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9954 SdHoareTripleChecker+Valid, 10201 SdHoareTripleChecker+Invalid, 8389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4007 IncrementalHoareTripleChecker+Valid, 4380 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2021-11-17 11:03:56,563 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9954 Valid, 10201 Invalid, 8389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4007 Valid, 4380 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2021-11-17 11:03:56,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61487 states. [2021-11-17 11:03:58,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61487 to 60765. [2021-11-17 11:03:58,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60765 states, 43519 states have (on average 1.3430455663043728) internal successors, (58448), 43607 states have internal predecessors, (58448), 14584 states have call successors, (14584), 2394 states have call predecessors, (14584), 2659 states have return successors, (17441), 15243 states have call predecessors, (17441), 14581 states have call successors, (17441) [2021-11-17 11:03:59,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60765 states to 60765 states and 90473 transitions. [2021-11-17 11:03:59,475 INFO L78 Accepts]: Start accepts. Automaton has 60765 states and 90473 transitions. Word has length 206 [2021-11-17 11:03:59,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:03:59,476 INFO L470 AbstractCegarLoop]: Abstraction has 60765 states and 90473 transitions. [2021-11-17 11:03:59,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-17 11:03:59,476 INFO L276 IsEmpty]: Start isEmpty. Operand 60765 states and 90473 transitions. [2021-11-17 11:03:59,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-17 11:03:59,479 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:03:59,480 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:03:59,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 11:03:59,480 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:03:59,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:03:59,481 INFO L85 PathProgramCache]: Analyzing trace with hash 468691212, now seen corresponding path program 1 times [2021-11-17 11:03:59,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:03:59,481 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570839637] [2021-11-17 11:03:59,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:03:59,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:03:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:03:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:03:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:03:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:03:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:03:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:03:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:03:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:03:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:03:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:03:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:03:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:03:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:03:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:59,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:03:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:03:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:03:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 11:03:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 11:03:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:03:59,862 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-17 11:03:59,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:03:59,862 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570839637] [2021-11-17 11:03:59,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570839637] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:03:59,862 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:03:59,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 11:03:59,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159909497] [2021-11-17 11:03:59,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:03:59,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 11:03:59,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:03:59,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 11:03:59,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 11:03:59,865 INFO L87 Difference]: Start difference. First operand 60765 states and 90473 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-17 11:04:01,890 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:04:03,922 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:04:15,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:04:15,257 INFO L93 Difference]: Finished difference Result 182885 states and 272690 transitions. [2021-11-17 11:04:15,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 11:04:15,258 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 207 [2021-11-17 11:04:15,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:04:16,410 INFO L225 Difference]: With dead ends: 182885 [2021-11-17 11:04:16,410 INFO L226 Difference]: Without dead ends: 122155 [2021-11-17 11:04:16,688 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:04:16,689 INFO L933 BasicCegarLoop]: 5344 mSDtfsCounter, 9085 mSDsluCounter, 4870 mSDsCounter, 0 mSdLazyCounter, 4386 mSolverCounterSat, 4001 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9946 SdHoareTripleChecker+Valid, 10214 SdHoareTripleChecker+Invalid, 8389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4001 IncrementalHoareTripleChecker+Valid, 4386 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2021-11-17 11:04:16,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9946 Valid, 10214 Invalid, 8389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4001 Valid, 4386 Invalid, 2 Unknown, 0 Unchecked, 11.8s Time] [2021-11-17 11:04:16,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122155 states. [2021-11-17 11:04:20,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122155 to 121037. [2021-11-17 11:04:20,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121037 states, 86687 states have (on average 1.3423927463172103) internal successors, (116368), 86767 states have internal predecessors, (116368), 28992 states have call successors, (28992), 4786 states have call predecessors, (28992), 5355 states have return successors, (35021), 30443 states have call predecessors, (35021), 28989 states have call successors, (35021) [2021-11-17 11:04:21,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121037 states to 121037 states and 180381 transitions. [2021-11-17 11:04:22,013 INFO L78 Accepts]: Start accepts. Automaton has 121037 states and 180381 transitions. Word has length 207 [2021-11-17 11:04:22,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:04:22,014 INFO L470 AbstractCegarLoop]: Abstraction has 121037 states and 180381 transitions. [2021-11-17 11:04:22,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-17 11:04:22,014 INFO L276 IsEmpty]: Start isEmpty. Operand 121037 states and 180381 transitions. [2021-11-17 11:04:22,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-17 11:04:22,019 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:04:22,019 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:04:22,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 11:04:22,019 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:04:22,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:04:22,020 INFO L85 PathProgramCache]: Analyzing trace with hash 2007606172, now seen corresponding path program 1 times [2021-11-17 11:04:22,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:04:22,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259686262] [2021-11-17 11:04:22,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:04:22,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:04:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:04:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:04:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:04:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:04:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:04:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:04:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:04:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:04:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:04:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:04:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:04:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:04:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:04:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:04:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:04:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 11:04:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-17 11:04:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:22,267 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-17 11:04:22,268 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:04:22,268 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259686262] [2021-11-17 11:04:22,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259686262] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:04:22,268 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:04:22,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 11:04:22,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261274841] [2021-11-17 11:04:22,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:04:22,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 11:04:22,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:04:22,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 11:04:22,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 11:04:22,269 INFO L87 Difference]: Start difference. First operand 121037 states and 180381 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-17 11:04:24,294 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:04:26,326 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:04:40,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:04:40,392 INFO L93 Difference]: Finished difference Result 362799 states and 541188 transitions. [2021-11-17 11:04:40,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 11:04:40,393 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 208 [2021-11-17 11:04:40,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:04:42,172 INFO L225 Difference]: With dead ends: 362799 [2021-11-17 11:04:42,172 INFO L226 Difference]: Without dead ends: 241797 [2021-11-17 11:04:42,779 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:04:42,781 INFO L933 BasicCegarLoop]: 5334 mSDtfsCounter, 9088 mSDsluCounter, 4857 mSDsCounter, 0 mSdLazyCounter, 4382 mSolverCounterSat, 4005 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9950 SdHoareTripleChecker+Valid, 10191 SdHoareTripleChecker+Invalid, 8389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4005 IncrementalHoareTripleChecker+Valid, 4382 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2021-11-17 11:04:42,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9950 Valid, 10191 Invalid, 8389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4005 Valid, 4382 Invalid, 2 Unknown, 0 Unchecked, 11.6s Time] [2021-11-17 11:04:43,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241797 states. [2021-11-17 11:04:51,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241797 to 239839. [2021-11-17 11:04:51,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239839 states, 171773 states have (on average 1.3422947727524117) internal successors, (230570), 171817 states have internal predecessors, (230570), 57370 states have call successors, (57370), 9518 states have call predecessors, (57370), 10693 states have return successors, (69743), 60409 states have call predecessors, (69743), 57367 states have call successors, (69743) [2021-11-17 11:04:53,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239839 states to 239839 states and 357683 transitions. [2021-11-17 11:04:53,511 INFO L78 Accepts]: Start accepts. Automaton has 239839 states and 357683 transitions. Word has length 208 [2021-11-17 11:04:53,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:04:53,512 INFO L470 AbstractCegarLoop]: Abstraction has 239839 states and 357683 transitions. [2021-11-17 11:04:53,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-17 11:04:53,512 INFO L276 IsEmpty]: Start isEmpty. Operand 239839 states and 357683 transitions. [2021-11-17 11:04:53,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-17 11:04:53,522 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:04:53,523 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 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, 1, 1, 1, 1, 1, 1] [2021-11-17 11:04:53,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 11:04:53,523 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:04:53,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:04:53,524 INFO L85 PathProgramCache]: Analyzing trace with hash -701920792, now seen corresponding path program 1 times [2021-11-17 11:04:53,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:04:53,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122510055] [2021-11-17 11:04:53,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:04:53,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:04:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:04:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:04:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:04:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:04:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:04:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:04:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:04:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:04:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:04:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:04:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:04:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:04:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:04:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:04:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:04:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 11:04:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-17 11:04:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:53,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 11:04:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:54,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 11:04:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:54,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-17 11:04:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:54,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:04:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:54,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-11-17 11:04:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:54,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-17 11:04:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:54,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-17 11:04:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:04:54,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2021-11-17 11:04:54,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:04:54,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122510055] [2021-11-17 11:04:54,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122510055] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:04:54,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:04:54,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 11:04:54,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399654419] [2021-11-17 11:04:54,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:04:54,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 11:04:54,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:04:54,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 11:04:54,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 11:04:54,458 INFO L87 Difference]: Start difference. First operand 239839 states and 357683 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-17 11:04:56,482 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:05:08,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:05:08,338 INFO L93 Difference]: Finished difference Result 241675 states and 360565 transitions. [2021-11-17 11:05:08,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 11:05:08,339 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 241 [2021-11-17 11:05:08,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted.