./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.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 3eabf9223369a4133b2add72c0b71a01ceb617c9bc4081cd5107bb51f78aed61 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:50:34,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:50:34,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:50:34,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:50:34,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:50:34,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:50:34,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:50:34,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:50:34,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:50:34,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:50:34,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:50:34,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:50:34,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:50:34,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:50:34,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:50:34,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:50:34,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:50:34,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:50:34,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:50:34,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:50:34,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:50:34,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:50:34,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:50:34,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:50:34,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:50:34,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:50:34,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:50:34,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:50:34,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:50:34,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:50:34,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:50:34,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:50:34,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:50:34,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:50:34,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:50:34,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:50:34,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:50:34,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:50:34,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:50:34,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:50:34,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:50:34,301 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:50:34,328 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:50:34,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:50:34,329 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:50:34,329 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:50:34,330 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:50:34,330 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:50:34,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:50:34,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:50:34,331 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:50:34,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:50:34,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:50:34,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:50:34,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:50:34,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:50:34,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:50:34,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:50:34,333 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:50:34,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:50:34,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:50:34,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:50:34,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:50:34,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:50:34,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:50:34,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:50:34,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:50:34,334 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:50:34,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:50:34,335 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:50:34,335 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:50:34,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:50:34,335 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3eabf9223369a4133b2add72c0b71a01ceb617c9bc4081cd5107bb51f78aed61 [2021-12-28 04:50:34,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:50:34,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:50:34,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:50:34,638 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:50:34,639 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:50:34,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i [2021-12-28 04:50:34,685 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89a13d05b/a1c6be81e92a470f86a608eb7b22712c/FLAG5a1312cf6 [2021-12-28 04:50:35,403 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:50:35,403 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i [2021-12-28 04:50:35,452 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89a13d05b/a1c6be81e92a470f86a608eb7b22712c/FLAG5a1312cf6 [2021-12-28 04:50:35,676 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89a13d05b/a1c6be81e92a470f86a608eb7b22712c [2021-12-28 04:50:35,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:50:35,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:50:35,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:50:35,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:50:35,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:50:35,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:50:35" (1/1) ... [2021-12-28 04:50:35,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e0fd791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:35, skipping insertion in model container [2021-12-28 04:50:35,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:50:35" (1/1) ... [2021-12-28 04:50:35,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:50:35,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:50:38,358 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392538,392551] [2021-12-28 04:50:38,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392707,392720] [2021-12-28 04:50:38,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392874,392887] [2021-12-28 04:50:38,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[393042,393055] [2021-12-28 04:50:38,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:50:38,421 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:50:38,743 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392538,392551] [2021-12-28 04:50:38,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392707,392720] [2021-12-28 04:50:38,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392874,392887] [2021-12-28 04:50:38,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[393042,393055] [2021-12-28 04:50:38,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:50:38,935 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:50:38,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:38 WrapperNode [2021-12-28 04:50:38,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:50:38,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:50:38,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:50:38,937 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:50:38,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:38" (1/1) ... [2021-12-28 04:50:39,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:38" (1/1) ... [2021-12-28 04:50:39,180 INFO L137 Inliner]: procedures = 549, calls = 2131, calls flagged for inlining = 287, calls inlined = 262, statements flattened = 6257 [2021-12-28 04:50:39,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:50:39,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:50:39,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:50:39,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:50:39,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:38" (1/1) ... [2021-12-28 04:50:39,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:38" (1/1) ... [2021-12-28 04:50:39,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:38" (1/1) ... [2021-12-28 04:50:39,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:38" (1/1) ... [2021-12-28 04:50:39,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:38" (1/1) ... [2021-12-28 04:50:39,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:38" (1/1) ... [2021-12-28 04:50:39,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:38" (1/1) ... [2021-12-28 04:50:39,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:50:39,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:50:39,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:50:39,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:50:39,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:38" (1/1) ... [2021-12-28 04:50:39,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:50:39,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:50:39,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 04:50:39,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 04:50:39,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:50:39,493 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:50:39,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_94 [2021-12-28 04:50:39,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_94 [2021-12-28 04:50:39,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:50:39,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:50:39,494 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-28 04:50:39,494 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-28 04:50:39,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_76 [2021-12-28 04:50:39,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_76 [2021-12-28 04:50:39,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 04:50:39,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 04:50:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 04:50:39,495 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 04:50:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2021-12-28 04:50:39,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2021-12-28 04:50:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_read [2021-12-28 04:50:39,495 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_read [2021-12-28 04:50:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_resume [2021-12-28 04:50:39,495 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_resume [2021-12-28 04:50:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 04:50:39,496 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 04:50:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mac_lock_of_smsc911x_data [2021-12-28 04:50:39,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mac_lock_of_smsc911x_data [2021-12-28 04:50:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_probe [2021-12-28 04:50:39,496 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_probe [2021-12-28 04:50:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure no_printk [2021-12-28 04:50:39,496 INFO L138 BoogieDeclarations]: Found implementation of procedure no_printk [2021-12-28 04:50:39,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 04:50:39,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 04:50:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 04:50:39,497 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 04:50:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-28 04:50:39,497 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-28 04:50:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 04:50:39,498 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 04:50:39,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:50:39,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:50:39,498 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:50:39,498 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:50:39,498 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_multicast_list [2021-12-28 04:50:39,498 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_multicast_list [2021-12-28 04:50:39,498 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_hw_mac_address [2021-12-28 04:50:39,499 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_hw_mac_address [2021-12-28 04:50:39,499 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2021-12-28 04:50:39,499 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2021-12-28 04:50:39,499 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-12-28 04:50:39,499 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-12-28 04:50:39,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:50:39,500 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-28 04:50:39,500 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-28 04:50:39,500 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_remove [2021-12-28 04:50:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_remove [2021-12-28 04:50:39,501 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_multicast_update [2021-12-28 04:50:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_multicast_update [2021-12-28 04:50:39,502 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 04:50:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 04:50:39,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mac_lock_of_smsc911x_data [2021-12-28 04:50:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mac_lock_of_smsc911x_data [2021-12-28 04:50:39,502 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2021-12-28 04:50:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2021-12-28 04:50:39,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:50:39,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-28 04:50:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-28 04:50:39,503 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 04:50:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 04:50:39,503 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo [2021-12-28 04:50:39,504 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo [2021-12-28 04:50:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:50:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 04:50:39,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 04:50:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_irqhandler [2021-12-28 04:50:39,504 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_irqhandler [2021-12-28 04:50:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:50:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:50:39,504 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:50:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 04:50:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 04:50:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_resources [2021-12-28 04:50:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_resources [2021-12-28 04:50:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_get_rxstatus [2021-12-28 04:50:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_get_rxstatus [2021-12-28 04:50:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read [2021-12-28 04:50:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read [2021-12-28 04:50:39,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 04:50:39,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 04:50:39,506 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_getregslen [2021-12-28 04:50:39,506 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_getregslen [2021-12-28 04:50:39,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:50:39,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-28 04:50:39,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-28 04:50:39,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-28 04:50:39,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-28 04:50:39,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-28 04:50:39,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-28 04:50:39,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-28 04:50:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-28 04:50:39,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:50:39,508 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-28 04:50:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-28 04:50:39,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 04:50:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 04:50:39,508 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:50:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:50:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:50:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:50:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:50:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:50:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:50:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_write [2021-12-28 04:50:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_write [2021-12-28 04:50:39,510 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_complete [2021-12-28 04:50:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_complete [2021-12-28 04:50:39,511 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2021-12-28 04:50:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2021-12-28 04:50:39,512 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-28 04:50:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-28 04:50:39,513 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:50:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:50:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-28 04:50:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-28 04:50:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32_rep [2021-12-28 04:50:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32_rep [2021-12-28 04:50:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-28 04:50:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-28 04:50:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2021-12-28 04:50:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2021-12-28 04:50:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-28 04:50:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-28 04:50:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 04:50:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 04:50:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-28 04:50:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-28 04:50:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:50:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:50:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-28 04:50:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-28 04:50:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-28 04:50:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-28 04:50:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_get_txstatus [2021-12-28 04:50:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_get_txstatus [2021-12-28 04:50:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-28 04:50:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-28 04:50:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_mac_lock_of_smsc911x_data [2021-12-28 04:50:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_mac_lock_of_smsc911x_data [2021-12-28 04:50:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2021-12-28 04:50:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2021-12-28 04:50:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:50:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:50:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:50:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:50:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo [2021-12-28 04:50:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo [2021-12-28 04:50:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_open [2021-12-28 04:50:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_open [2021-12-28 04:50:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2021-12-28 04:50:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2021-12-28 04:50:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_get_eeprom_len [2021-12-28 04:50:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_get_eeprom_len [2021-12-28 04:50:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 04:50:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 04:50:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_dev_lock_of_smsc911x_data [2021-12-28 04:50:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_dev_lock_of_smsc911x_data [2021-12-28 04:50:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo_shift [2021-12-28 04:50:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo_shift [2021-12-28 04:50:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_suspend [2021-12-28 04:50:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_suspend [2021-12-28 04:50:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_read_mac_address [2021-12-28 04:50:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_read_mac_address [2021-12-28 04:50:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_93 [2021-12-28 04:50:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_93 [2021-12-28 04:50:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_write [2021-12-28 04:50:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_write [2021-12-28 04:50:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2021-12-28 04:50:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2021-12-28 04:50:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:50:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:50:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 04:50:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 04:50:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-12-28 04:50:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-12-28 04:50:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write [2021-12-28 04:50:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write [2021-12-28 04:50:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:50:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 04:50:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 04:50:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:50:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_write [2021-12-28 04:50:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_write [2021-12-28 04:50:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_nwayreset [2021-12-28 04:50:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_nwayreset [2021-12-28 04:50:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_free_resources [2021-12-28 04:50:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_free_resources [2021-12-28 04:50:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_irq_chip [2021-12-28 04:50:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_irq_chip [2021-12-28 04:50:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:50:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_send_cmd [2021-12-28 04:50:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_send_cmd [2021-12-28 04:50:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 04:50:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 04:50:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_adjust_link [2021-12-28 04:50:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_adjust_link [2021-12-28 04:50:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_read [2021-12-28 04:50:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_read [2021-12-28 04:50:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 04:50:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 04:50:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-28 04:50:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-28 04:50:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_update_txcounters [2021-12-28 04:50:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_update_txcounters [2021-12-28 04:50:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read_shift [2021-12-28 04:50:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read_shift [2021-12-28 04:50:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-28 04:50:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-28 04:50:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write_shift [2021-12-28 04:50:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write_shift [2021-12-28 04:50:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 04:50:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 04:50:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 04:50:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 04:50:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-28 04:50:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-28 04:50:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-28 04:50:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-28 04:50:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_enable_external [2021-12-28 04:50:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_enable_external [2021-12-28 04:50:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:50:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_read [2021-12-28 04:50:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_read [2021-12-28 04:50:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:50:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:50:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-28 04:50:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-28 04:50:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_smsc911x_cleanup_module_14_2 [2021-12-28 04:50:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_smsc911x_cleanup_module_14_2 [2021-12-28 04:50:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_soft_reset [2021-12-28 04:50:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_soft_reset [2021-12-28 04:50:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_enable_access [2021-12-28 04:50:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_enable_access [2021-12-28 04:50:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2021-12-28 04:50:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2021-12-28 04:50:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure spin_is_locked [2021-12-28 04:50:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_is_locked [2021-12-28 04:50:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_stop [2021-12-28 04:50:39,534 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_stop [2021-12-28 04:50:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 04:50:39,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 04:50:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo_shift [2021-12-28 04:50:39,534 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo_shift [2021-12-28 04:50:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-12-28 04:50:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-12-28 04:50:39,539 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-28 04:50:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-28 04:50:39,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:50:39,539 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2021-12-28 04:50:39,540 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2021-12-28 04:50:39,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 04:50:39,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 04:50:39,540 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-28 04:50:39,540 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-28 04:50:40,269 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:50:40,273 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:50:40,565 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:50:42,551 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 04:50:42,609 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:50:42,650 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:50:42,650 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-28 04:50:42,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:50:42 BoogieIcfgContainer [2021-12-28 04:50:42,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:50:42,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:50:42,655 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:50:42,657 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:50:42,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:50:35" (1/3) ... [2021-12-28 04:50:42,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae1a60a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:50:42, skipping insertion in model container [2021-12-28 04:50:42,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:50:38" (2/3) ... [2021-12-28 04:50:42,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae1a60a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:50:42, skipping insertion in model container [2021-12-28 04:50:42,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:50:42" (3/3) ... [2021-12-28 04:50:42,658 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i [2021-12-28 04:50:42,664 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:50:42,664 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-28 04:50:42,701 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:50:42,705 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 04:50:42,706 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-28 04:50:42,749 INFO L276 IsEmpty]: Start isEmpty. Operand has 2625 states, 1736 states have (on average 1.2632488479262673) internal successors, (2193), 1773 states have internal predecessors, (2193), 767 states have call successors, (767), 122 states have call predecessors, (767), 121 states have return successors, (758), 749 states have call predecessors, (758), 758 states have call successors, (758) [2021-12-28 04:50:42,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-12-28 04:50:42,761 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:50:42,762 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:50:42,762 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:50:42,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:50:42,766 INFO L85 PathProgramCache]: Analyzing trace with hash -515187490, now seen corresponding path program 1 times [2021-12-28 04:50:42,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:50:42,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504792461] [2021-12-28 04:50:42,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:50:42,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:50:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:50:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:50:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:50:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:50:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:50:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:50:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:50:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:50:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:50:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:50:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:50:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:50:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:50:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:50:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:50:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:50:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:50:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:50:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-28 04:50:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-28 04:50:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-28 04:50:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:43,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-12-28 04:50:43,541 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:50:43,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504792461] [2021-12-28 04:50:43,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504792461] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:50:43,542 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:50:43,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:50:43,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192345776] [2021-12-28 04:50:43,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:50:43,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:50:43,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:50:43,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:50:43,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:50:43,570 INFO L87 Difference]: Start difference. First operand has 2625 states, 1736 states have (on average 1.2632488479262673) internal successors, (2193), 1773 states have internal predecessors, (2193), 767 states have call successors, (767), 122 states have call predecessors, (767), 121 states have return successors, (758), 749 states have call predecessors, (758), 758 states have call successors, (758) Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-28 04:50:48,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:50:48,686 INFO L93 Difference]: Finished difference Result 7977 states and 11999 transitions. [2021-12-28 04:50:48,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:50:48,688 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 237 [2021-12-28 04:50:48,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:50:48,726 INFO L225 Difference]: With dead ends: 7977 [2021-12-28 04:50:48,726 INFO L226 Difference]: Without dead ends: 5382 [2021-12-28 04:50:48,751 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:50:48,753 INFO L933 BasicCegarLoop]: 3927 mSDtfsCounter, 4553 mSDsluCounter, 3675 mSDsCounter, 0 mSdLazyCounter, 3032 mSolverCounterSat, 2373 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5231 SdHoareTripleChecker+Valid, 7602 SdHoareTripleChecker+Invalid, 5405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2373 IncrementalHoareTripleChecker+Valid, 3032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-12-28 04:50:48,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5231 Valid, 7602 Invalid, 5405 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2373 Valid, 3032 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-12-28 04:50:48,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5382 states. [2021-12-28 04:50:49,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5382 to 5072. [2021-12-28 04:50:49,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5072 states, 3371 states have (on average 1.251854049243548) internal successors, (4220), 3444 states have internal predecessors, (4220), 1460 states have call successors, (1460), 239 states have call predecessors, (1460), 238 states have return successors, (1456), 1438 states have call predecessors, (1456), 1456 states have call successors, (1456) [2021-12-28 04:50:49,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5072 states to 5072 states and 7136 transitions. [2021-12-28 04:50:49,042 INFO L78 Accepts]: Start accepts. Automaton has 5072 states and 7136 transitions. Word has length 237 [2021-12-28 04:50:49,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:50:49,043 INFO L470 AbstractCegarLoop]: Abstraction has 5072 states and 7136 transitions. [2021-12-28 04:50:49,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-28 04:50:49,044 INFO L276 IsEmpty]: Start isEmpty. Operand 5072 states and 7136 transitions. [2021-12-28 04:50:49,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-12-28 04:50:49,054 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:50:49,055 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:50:49,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:50:49,055 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:50:49,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:50:49,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1896859151, now seen corresponding path program 1 times [2021-12-28 04:50:49,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:50:49,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090692029] [2021-12-28 04:50:49,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:50:49,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:50:49,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:50:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:50:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:50:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:49,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:50:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:50:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:50:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:50:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:50:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:50:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:49,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:50:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:50:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:50:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:50:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:50:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:50:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:50:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:50:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:50:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-28 04:50:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-28 04:50:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-28 04:50:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:49,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-12-28 04:50:49,584 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:50:49,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090692029] [2021-12-28 04:50:49,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090692029] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:50:49,585 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:50:49,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:50:49,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229120461] [2021-12-28 04:50:49,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:50:49,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:50:49,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:50:49,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:50:49,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:50:49,589 INFO L87 Difference]: Start difference. First operand 5072 states and 7136 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-28 04:50:54,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:50:54,116 INFO L93 Difference]: Finished difference Result 15616 states and 22251 transitions. [2021-12-28 04:50:54,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:50:54,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 241 [2021-12-28 04:50:54,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:50:54,177 INFO L225 Difference]: With dead ends: 15616 [2021-12-28 04:50:54,177 INFO L226 Difference]: Without dead ends: 10587 [2021-12-28 04:50:54,201 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:50:54,203 INFO L933 BasicCegarLoop]: 4248 mSDtfsCounter, 4557 mSDsluCounter, 3904 mSDsCounter, 0 mSdLazyCounter, 2992 mSolverCounterSat, 2325 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5210 SdHoareTripleChecker+Valid, 8152 SdHoareTripleChecker+Invalid, 5317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2325 IncrementalHoareTripleChecker+Valid, 2992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-28 04:50:54,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5210 Valid, 8152 Invalid, 5317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2325 Valid, 2992 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-12-28 04:50:54,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10587 states. [2021-12-28 04:50:54,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10587 to 10157. [2021-12-28 04:50:54,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10157 states, 6768 states have (on average 1.2522163120567376) internal successors, (8475), 6924 states have internal predecessors, (8475), 2891 states have call successors, (2891), 476 states have call predecessors, (2891), 495 states have return successors, (3154), 2856 states have call predecessors, (3154), 2887 states have call successors, (3154) [2021-12-28 04:50:54,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10157 states to 10157 states and 14520 transitions. [2021-12-28 04:50:54,697 INFO L78 Accepts]: Start accepts. Automaton has 10157 states and 14520 transitions. Word has length 241 [2021-12-28 04:50:54,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:50:54,699 INFO L470 AbstractCegarLoop]: Abstraction has 10157 states and 14520 transitions. [2021-12-28 04:50:54,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-28 04:50:54,700 INFO L276 IsEmpty]: Start isEmpty. Operand 10157 states and 14520 transitions. [2021-12-28 04:50:54,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-12-28 04:50:54,704 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:50:54,704 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:50:54,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:50:54,704 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:50:54,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:50:54,705 INFO L85 PathProgramCache]: Analyzing trace with hash -212910383, now seen corresponding path program 1 times [2021-12-28 04:50:54,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:50:54,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513698295] [2021-12-28 04:50:54,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:50:54,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:50:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:54,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:50:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:54,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:54,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:50:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:54,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:54,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:50:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:54,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:54,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:50:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:54,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:54,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:50:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:54,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:54,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:50:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:54,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:54,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:50:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:54,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:54,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:50:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:54,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:54,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:50:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:54,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:54,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:50:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:54,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:54,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:50:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:54,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:54,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:50:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:54,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:54,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:50:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:55,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:55,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:50:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:55,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:55,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:50:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:55,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:55,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:50:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:55,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:55,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:50:55,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:55,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:55,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:50:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:55,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:55,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-28 04:50:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:55,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:55,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-28 04:50:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:55,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-28 04:50:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:55,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-12-28 04:50:55,094 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:50:55,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513698295] [2021-12-28 04:50:55,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513698295] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:50:55,095 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:50:55,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:50:55,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088752775] [2021-12-28 04:50:55,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:50:55,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:50:55,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:50:55,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:50:55,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:50:55,096 INFO L87 Difference]: Start difference. First operand 10157 states and 14520 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-28 04:50:59,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:50:59,775 INFO L93 Difference]: Finished difference Result 29871 states and 42622 transitions. [2021-12-28 04:50:59,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:50:59,776 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 248 [2021-12-28 04:50:59,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:50:59,872 INFO L225 Difference]: With dead ends: 29871 [2021-12-28 04:50:59,872 INFO L226 Difference]: Without dead ends: 19757 [2021-12-28 04:50:59,915 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:50:59,919 INFO L933 BasicCegarLoop]: 4614 mSDtfsCounter, 3969 mSDsluCounter, 3948 mSDsCounter, 0 mSdLazyCounter, 3107 mSolverCounterSat, 2079 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4624 SdHoareTripleChecker+Valid, 8562 SdHoareTripleChecker+Invalid, 5186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2079 IncrementalHoareTripleChecker+Valid, 3107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-28 04:50:59,923 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4624 Valid, 8562 Invalid, 5186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2079 Valid, 3107 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-28 04:50:59,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19757 states. [2021-12-28 04:51:00,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19757 to 19039. [2021-12-28 04:51:00,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19039 states, 12608 states have (on average 1.2457963197969544) internal successors, (15707), 12910 states have internal predecessors, (15707), 5469 states have call successors, (5469), 928 states have call predecessors, (5469), 959 states have return successors, (5804), 5394 states have call predecessors, (5804), 5465 states have call successors, (5804) [2021-12-28 04:51:00,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19039 states to 19039 states and 26980 transitions. [2021-12-28 04:51:00,666 INFO L78 Accepts]: Start accepts. Automaton has 19039 states and 26980 transitions. Word has length 248 [2021-12-28 04:51:00,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:51:00,667 INFO L470 AbstractCegarLoop]: Abstraction has 19039 states and 26980 transitions. [2021-12-28 04:51:00,667 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, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-28 04:51:00,667 INFO L276 IsEmpty]: Start isEmpty. Operand 19039 states and 26980 transitions. [2021-12-28 04:51:00,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-12-28 04:51:00,671 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:51:00,671 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:51:00,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 04:51:00,672 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:51:00,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:51:00,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1844231193, now seen corresponding path program 1 times [2021-12-28 04:51:00,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:51:00,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846028675] [2021-12-28 04:51:00,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:51:00,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:51:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:51:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:51:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:51:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:51:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:51:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:51:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:51:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:51:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:51:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:51:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:51:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:51:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:51:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:51:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:51:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:00,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:51:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:00,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:51:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:01,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:01,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:51:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:01,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:01,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-28 04:51:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:01,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:01,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-28 04:51:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:01,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-28 04:51:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:01,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-12-28 04:51:01,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:51:01,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846028675] [2021-12-28 04:51:01,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846028675] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:51:01,054 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:51:01,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:51:01,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694899989] [2021-12-28 04:51:01,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:51:01,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:51:01,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:51:01,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:51:01,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:51:01,056 INFO L87 Difference]: Start difference. First operand 19039 states and 26980 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, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-28 04:51:06,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:51:06,078 INFO L93 Difference]: Finished difference Result 54825 states and 78012 transitions. [2021-12-28 04:51:06,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:51:06,078 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, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 248 [2021-12-28 04:51:06,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:51:06,244 INFO L225 Difference]: With dead ends: 54825 [2021-12-28 04:51:06,244 INFO L226 Difference]: Without dead ends: 35829 [2021-12-28 04:51:06,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:51:06,322 INFO L933 BasicCegarLoop]: 4003 mSDtfsCounter, 4068 mSDsluCounter, 3708 mSDsCounter, 0 mSdLazyCounter, 2985 mSolverCounterSat, 2265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4659 SdHoareTripleChecker+Valid, 7711 SdHoareTripleChecker+Invalid, 5250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2265 IncrementalHoareTripleChecker+Valid, 2985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-28 04:51:06,322 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4659 Valid, 7711 Invalid, 5250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2265 Valid, 2985 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-28 04:51:06,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35829 states. [2021-12-28 04:51:07,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35829 to 34595. [2021-12-28 04:51:07,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34595 states, 22734 states have (on average 1.2424122459751914) internal successors, (28245), 23316 states have internal predecessors, (28245), 10027 states have call successors, (10027), 1780 states have call predecessors, (10027), 1831 states have return successors, (10950), 9848 states have call predecessors, (10950), 10023 states have call successors, (10950) [2021-12-28 04:51:07,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34595 states to 34595 states and 49222 transitions. [2021-12-28 04:51:07,755 INFO L78 Accepts]: Start accepts. Automaton has 34595 states and 49222 transitions. Word has length 248 [2021-12-28 04:51:07,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:51:07,756 INFO L470 AbstractCegarLoop]: Abstraction has 34595 states and 49222 transitions. [2021-12-28 04:51:07,756 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, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-28 04:51:07,757 INFO L276 IsEmpty]: Start isEmpty. Operand 34595 states and 49222 transitions. [2021-12-28 04:51:07,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-12-28 04:51:07,760 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:51:07,760 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:51:07,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 04:51:07,760 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)] === [2021-12-28 04:51:07,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:51:07,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1617156282, now seen corresponding path program 1 times [2021-12-28 04:51:07,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:51:07,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897648799] [2021-12-28 04:51:07,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:51:07,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:51:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:07,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:51:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:07,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:07,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:51:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:07,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:07,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:51:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:07,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:07,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:51:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:07,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:07,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:51:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:07,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:07,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:51:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:07,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:07,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:51:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:07,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:07,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:51:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:07,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:07,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:51:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:07,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:07,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:07,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:51:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:07,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:07,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:51:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:07,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:08,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:51:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:08,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:08,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:08,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:51:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:08,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:08,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:51:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:08,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:08,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:51:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:08,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:08,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:51:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:08,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:08,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:51:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:08,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:08,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:51:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:08,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:08,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-28 04:51:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:08,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:08,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-28 04:51:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:08,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-28 04:51:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:08,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:08,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:51:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:08,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 04:51:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:08,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2021-12-28 04:51:08,298 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:51:08,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897648799] [2021-12-28 04:51:08,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897648799] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:51:08,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:51:08,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:51:08,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124212131] [2021-12-28 04:51:08,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:51:08,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:51:08,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:51:08,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:51:08,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:51:08,307 INFO L87 Difference]: Start difference. First operand 34595 states and 49222 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-28 04:51:14,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:51:14,170 INFO L93 Difference]: Finished difference Result 88012 states and 125255 transitions. [2021-12-28 04:51:14,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:51:14,170 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 263 [2021-12-28 04:51:14,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:51:14,552 INFO L225 Difference]: With dead ends: 88012 [2021-12-28 04:51:14,552 INFO L226 Difference]: Without dead ends: 53460 [2021-12-28 04:51:14,688 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:51:14,689 INFO L933 BasicCegarLoop]: 3965 mSDtfsCounter, 4497 mSDsluCounter, 3684 mSDsCounter, 0 mSdLazyCounter, 3045 mSolverCounterSat, 2399 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5174 SdHoareTripleChecker+Valid, 7649 SdHoareTripleChecker+Invalid, 5444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2399 IncrementalHoareTripleChecker+Valid, 3045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-28 04:51:14,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5174 Valid, 7649 Invalid, 5444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2399 Valid, 3045 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-28 04:51:14,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53460 states. [2021-12-28 04:51:16,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53460 to 51614. [2021-12-28 04:51:16,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51614 states, 33914 states have (on average 1.2397240077843958) internal successors, (42044), 34814 states have internal predecessors, (42044), 14923 states have call successors, (14923), 2697 states have call predecessors, (14923), 2774 states have return successors, (16300), 14627 states have call predecessors, (16300), 14919 states have call successors, (16300) [2021-12-28 04:51:16,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51614 states to 51614 states and 73267 transitions. [2021-12-28 04:51:16,719 INFO L78 Accepts]: Start accepts. Automaton has 51614 states and 73267 transitions. Word has length 263 [2021-12-28 04:51:16,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:51:16,719 INFO L470 AbstractCegarLoop]: Abstraction has 51614 states and 73267 transitions. [2021-12-28 04:51:16,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-28 04:51:16,720 INFO L276 IsEmpty]: Start isEmpty. Operand 51614 states and 73267 transitions. [2021-12-28 04:51:16,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-12-28 04:51:16,723 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:51:16,723 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:51:16,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 04:51:16,724 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)] === [2021-12-28 04:51:16,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:51:16,724 INFO L85 PathProgramCache]: Analyzing trace with hash -228996309, now seen corresponding path program 1 times [2021-12-28 04:51:16,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:51:16,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141606049] [2021-12-28 04:51:16,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:51:16,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:51:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:16,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:51:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:16,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:16,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:51:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:16,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:16,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:51:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:16,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:16,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:51:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:16,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:16,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:51:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:51:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:51:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:51:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:51:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:51:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:51:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:51:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:51:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:51:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:51:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:51:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:51:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:51:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-28 04:51:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-28 04:51:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-28 04:51:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:51:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 04:51:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:17,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2021-12-28 04:51:17,211 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:51:17,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141606049] [2021-12-28 04:51:17,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141606049] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:51:17,211 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:51:17,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:51:17,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281986704] [2021-12-28 04:51:17,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:51:17,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:51:17,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:51:17,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:51:17,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:51:17,213 INFO L87 Difference]: Start difference. First operand 51614 states and 73267 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-28 04:51:23,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:51:23,740 INFO L93 Difference]: Finished difference Result 140037 states and 198958 transitions. [2021-12-28 04:51:23,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:51:23,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 262 [2021-12-28 04:51:23,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:51:24,188 INFO L225 Difference]: With dead ends: 140037 [2021-12-28 04:51:24,189 INFO L226 Difference]: Without dead ends: 88466 [2021-12-28 04:51:24,411 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:51:24,411 INFO L933 BasicCegarLoop]: 4085 mSDtfsCounter, 4434 mSDsluCounter, 3712 mSDsCounter, 0 mSdLazyCounter, 3047 mSolverCounterSat, 2368 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5111 SdHoareTripleChecker+Valid, 7797 SdHoareTripleChecker+Invalid, 5415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2368 IncrementalHoareTripleChecker+Valid, 3047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-28 04:51:24,411 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5111 Valid, 7797 Invalid, 5415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2368 Valid, 3047 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-28 04:51:24,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88466 states. [2021-12-28 04:51:27,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88466 to 85444. [2021-12-28 04:51:27,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85444 states, 56098 states have (on average 1.2374416200221041) internal successors, (69418), 57634 states have internal predecessors, (69418), 24699 states have call successors, (24699), 4515 states have call predecessors, (24699), 4644 states have return successors, (26984), 24169 states have call predecessors, (26984), 24695 states have call successors, (26984) [2021-12-28 04:51:28,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85444 states to 85444 states and 121101 transitions. [2021-12-28 04:51:28,175 INFO L78 Accepts]: Start accepts. Automaton has 85444 states and 121101 transitions. Word has length 262 [2021-12-28 04:51:28,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:51:28,176 INFO L470 AbstractCegarLoop]: Abstraction has 85444 states and 121101 transitions. [2021-12-28 04:51:28,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-28 04:51:28,176 INFO L276 IsEmpty]: Start isEmpty. Operand 85444 states and 121101 transitions. [2021-12-28 04:51:28,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-12-28 04:51:28,196 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:51:28,196 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 19, 19, 19, 19, 19, 19, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:51:28,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-28 04:51:28,197 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:51:28,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:51:28,197 INFO L85 PathProgramCache]: Analyzing trace with hash -496870642, now seen corresponding path program 1 times [2021-12-28 04:51:28,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:51:28,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468999809] [2021-12-28 04:51:28,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:51:28,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:51:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:51:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:51:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:51:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:51:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:51:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:51:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:51:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:51:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:51:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:51:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:51:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:51:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:51:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:51:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:51:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:51:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:51:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:51:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-28 04:51:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:51:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-28 04:51:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-28 04:51:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-28 04:51:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-28 04:51:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:51:28,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1662 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1656 trivial. 0 not checked. [2021-12-28 04:51:28,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:51:28,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468999809] [2021-12-28 04:51:28,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468999809] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:51:28,553 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:51:28,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:51:28,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843922481] [2021-12-28 04:51:28,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:51:28,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:51:28,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:51:28,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:51:28,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:51:28,555 INFO L87 Difference]: Start difference. First operand 85444 states and 121101 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24)