./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-jme.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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-jme.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 2ed7e65f4873f721e135371f2b64bea53a61355f60220cd3c965b9b34f2d17e4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:31:22,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:31:22,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:31:22,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:31:22,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:31:22,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:31:22,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:31:22,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:31:22,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:31:22,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:31:22,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:31:22,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:31:22,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:31:22,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:31:22,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:31:22,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:31:22,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:31:22,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:31:22,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:31:22,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:31:22,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:31:22,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:31:22,437 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:31:22,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:31:22,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:31:22,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:31:22,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:31:22,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:31:22,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:31:22,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:31:22,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:31:22,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:31:22,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:31:22,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:31:22,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:31:22,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:31:22,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:31:22,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:31:22,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:31:22,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:31:22,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:31:22,454 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:31:22,478 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:31:22,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:31:22,479 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:31:22,479 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:31:22,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:31:22,480 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:31:22,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:31:22,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:31:22,481 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:31:22,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:31:22,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:31:22,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:31:22,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:31:22,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:31:22,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:31:22,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:31:22,482 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:31:22,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:31:22,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:31:22,483 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:31:22,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:31:22,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:31:22,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:31:22,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:31:22,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:31:22,484 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:31:22,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:31:22,485 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:31:22,485 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:31:22,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:31:22,485 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:31:22,486 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ed7e65f4873f721e135371f2b64bea53a61355f60220cd3c965b9b34f2d17e4 [2021-12-22 15:31:22,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:31:22,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:31:22,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:31:22,703 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:31:22,704 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:31:22,704 INFO L432 ainManager$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-jme.cil.i [2021-12-22 15:31:22,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfc92a908/5061351f12794ebea8940e395fda8b3b/FLAG257e4b8a5 [2021-12-22 15:31:23,424 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:31:23,425 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-jme.cil.i [2021-12-22 15:31:23,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfc92a908/5061351f12794ebea8940e395fda8b3b/FLAG257e4b8a5 [2021-12-22 15:31:23,540 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfc92a908/5061351f12794ebea8940e395fda8b3b [2021-12-22 15:31:23,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:31:23,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:31:23,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:31:23,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:31:23,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:31:23,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:31:23" (1/1) ... [2021-12-22 15:31:23,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78e6fc7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:23, skipping insertion in model container [2021-12-22 15:31:23,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:31:23" (1/1) ... [2021-12-22 15:31:23,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:31:23,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:31:27,779 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-jme.cil.i[464820,464833] [2021-12-22 15:31:27,792 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-jme.cil.i[464989,465002] [2021-12-22 15:31:27,793 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-jme.cil.i[465156,465169] [2021-12-22 15:31:27,793 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-jme.cil.i[465324,465337] [2021-12-22 15:31:27,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:31:27,842 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:31:28,166 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-jme.cil.i[464820,464833] [2021-12-22 15:31:28,167 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-jme.cil.i[464989,465002] [2021-12-22 15:31:28,167 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-jme.cil.i[465156,465169] [2021-12-22 15:31:28,168 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-jme.cil.i[465324,465337] [2021-12-22 15:31:28,174 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:31:28,350 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:31:28,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:28 WrapperNode [2021-12-22 15:31:28,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:31:28,351 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:31:28,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:31:28,351 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:31:28,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:28" (1/1) ... [2021-12-22 15:31:28,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:28" (1/1) ... [2021-12-22 15:31:28,630 INFO L137 Inliner]: procedures = 663, calls = 2943, calls flagged for inlining = 321, calls inlined = 256, statements flattened = 6033 [2021-12-22 15:31:28,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:31:28,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:31:28,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:31:28,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:31:28,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:28" (1/1) ... [2021-12-22 15:31:28,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:28" (1/1) ... [2021-12-22 15:31:28,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:28" (1/1) ... [2021-12-22 15:31:28,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:28" (1/1) ... [2021-12-22 15:31:28,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:28" (1/1) ... [2021-12-22 15:31:28,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:28" (1/1) ... [2021-12-22 15:31:28,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:28" (1/1) ... [2021-12-22 15:31:28,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:31:28,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:31:28,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:31:28,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:31:28,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:28" (1/1) ... [2021-12-22 15:31:28,847 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:31:28,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:31:28,864 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) [2021-12-22 15:31:28,921 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 [2021-12-22 15:31:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-22 15:31:28,957 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-22 15:31:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-22 15:31:28,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-22 15:31:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-12-22 15:31:28,957 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-12-22 15:31:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 15:31:28,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 15:31:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_mac_processor [2021-12-22 15:31:28,958 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_mac_processor [2021-12-22 15:31:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:31:28,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:31:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32 [2021-12-22 15:31:28,958 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32 [2021-12-22 15:31:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-22 15:31:28,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-22 15:31:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_regs_len [2021-12-22 15:31:28,959 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_regs_len [2021-12-22 15:31:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 15:31:28,959 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 15:31:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:31:28,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:31:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_on [2021-12-22 15:31:28,960 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_on [2021-12-22 15:31:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_rx_engine [2021-12-22 15:31:28,960 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_rx_engine [2021-12-22 15:31:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:31:28,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:31:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-22 15:31:28,960 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-22 15:31:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-22 15:31:28,961 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-22 15:31:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:31:28,961 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:31:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 15:31:28,961 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 15:31:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_link [2021-12-22 15:31:28,962 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_link [2021-12-22 15:31:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 15:31:28,962 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 15:31:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure jme_netpoll [2021-12-22 15:31:28,962 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_netpoll [2021-12-22 15:31:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2021-12-22 15:31:28,963 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2021-12-22 15:31:28,963 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 15:31:28,963 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 15:31:28,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:31:28,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:31:28,963 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 15:31:28,964 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 15:31:28,964 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-22 15:31:28,965 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-22 15:31:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-12-22 15:31:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 15:31:28,965 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 15:31:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:31:28,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:31:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-22 15:31:28,966 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-22 15:31:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:31:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-22 15:31:28,966 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-22 15:31:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure jread32 [2021-12-22 15:31:28,966 INFO L138 BoogieDeclarations]: Found implementation of procedure jread32 [2021-12-22 15:31:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-12-22 15:31:28,967 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-12-22 15:31:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2021-12-22 15:31:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:31:28,967 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:31:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_rx_pcc [2021-12-22 15:31:28,968 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_rx_pcc [2021-12-22 15:31:28,968 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-22 15:31:28,968 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-22 15:31:28,968 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-22 15:31:28,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-22 15:31:28,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:31:28,968 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_unicastaddr [2021-12-22 15:31:28,968 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_unicastaddr [2021-12-22 15:31:28,969 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:31:28,969 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:31:28,969 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 15:31:28,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 15:31:28,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:31:28,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:31:28,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:31:28,970 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_calibration [2021-12-22 15:31:28,970 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_calibration [2021-12-22 15:31:28,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:31:28,970 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:31:28,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:31:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_82 [2021-12-22 15:31:28,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_82 [2021-12-22 15:31:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure jme_restart_rx_engine [2021-12-22 15:31:28,971 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_restart_rx_engine [2021-12-22 15:31:28,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2021-12-22 15:31:28,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2021-12-22 15:31:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:31:28,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:31:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_88 [2021-12-22 15:31:28,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_88 [2021-12-22 15:31:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-22 15:31:28,972 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-22 15:31:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:31:28,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:31:28,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:31:28,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:31:28,973 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2021-12-22 15:31:28,973 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2021-12-22 15:31:28,973 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-22 15:31:28,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-22 15:31:28,974 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 15:31:28,974 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 15:31:28,975 INFO L130 BoogieDeclarations]: Found specification of procedure jme_linkstat_from_phy [2021-12-22 15:31:28,976 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_linkstat_from_phy [2021-12-22 15:31:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_write [2021-12-22 15:31:28,976 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_write [2021-12-22 15:31:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_on [2021-12-22 15:31:28,977 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_on [2021-12-22 15:31:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:31:28,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:31:28,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:31:28,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-22 15:31:28,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-22 15:31:28,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-22 15:31:28,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-22 15:31:28,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-22 15:31:28,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-22 15:31:28,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-22 15:31:28,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-22 15:31:28,983 INFO L130 BoogieDeclarations]: Found specification of procedure smi_phy_addr [2021-12-22 15:31:28,983 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_phy_addr [2021-12-22 15:31:28,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:31:28,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:31:28,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:31:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:31:28,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:31:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:31:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-22 15:31:28,984 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-22 15:31:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:31:28,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:31:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:31:28,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:31:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-22 15:31:28,985 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-22 15:31:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-22 15:31:28,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-22 15:31:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure reg_dbg [2021-12-22 15:31:28,985 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_dbg [2021-12-22 15:31:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:31:28,985 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:31:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-22 15:31:28,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-22 15:31:28,986 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-22 15:31:28,986 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-22 15:31:28,986 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:31:28,986 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:31:28,986 INFO L130 BoogieDeclarations]: Found specification of procedure jme_start_irq [2021-12-22 15:31:28,986 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_start_irq [2021-12-22 15:31:28,987 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-12-22 15:31:28,987 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-12-22 15:31:28,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:31:28,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:31:28,987 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-22 15:31:28,987 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-22 15:31:28,987 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-22 15:31:28,987 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-22 15:31:28,987 INFO L130 BoogieDeclarations]: Found specification of procedure jme_fill_tx_map [2021-12-22 15:31:28,988 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_fill_tx_map [2021-12-22 15:31:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_tx_resources [2021-12-22 15:31:28,988 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_tx_resources [2021-12-22 15:31:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 15:31:28,988 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 15:31:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure jme_polling_mode [2021-12-22 15:31:28,988 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_polling_mode [2021-12-22 15:31:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:31:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2021-12-22 15:31:28,989 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2021-12-22 15:31:28,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:31:28,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:31:28,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:31:28,989 INFO L130 BoogieDeclarations]: Found specification of procedure jme_remove_one [2021-12-22 15:31:28,989 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_remove_one [2021-12-22 15:31:28,989 INFO L130 BoogieDeclarations]: Found specification of procedure jme_powersave_phy [2021-12-22 15:31:28,989 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_powersave_phy [2021-12-22 15:31:28,989 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_on [2021-12-22 15:31:28,990 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_on [2021-12-22 15:31:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2021-12-22 15:31:28,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2021-12-22 15:31:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure new_phy_power_ctrl [2021-12-22 15:31:28,990 INFO L138 BoogieDeclarations]: Found implementation of procedure new_phy_power_ctrl [2021-12-22 15:31:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:31:28,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:31:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-22 15:31:28,990 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-22 15:31:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2021-12-22 15:31:28,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2021-12-22 15:31:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure jme_intr_msi [2021-12-22 15:31:28,991 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_intr_msi [2021-12-22 15:31:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32f [2021-12-22 15:31:28,991 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32f [2021-12-22 15:31:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure smi_reg_addr [2021-12-22 15:31:28,991 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_reg_addr [2021-12-22 15:31:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_settings [2021-12-22 15:31:28,992 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_settings [2021-12-22 15:31:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-22 15:31:28,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-22 15:31:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-22 15:31:28,992 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-22 15:31:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:31:28,992 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:31:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:31:28,992 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:31:28,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-22 15:31:28,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-22 15:31:28,993 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-22 15:31:28,993 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-22 15:31:28,993 INFO L130 BoogieDeclarations]: Found specification of procedure jme_nway_reset [2021-12-22 15:31:28,993 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_nway_reset [2021-12-22 15:31:28,993 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-22 15:31:28,993 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-22 15:31:28,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:31:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-22 15:31:28,994 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-22 15:31:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-22 15:31:28,994 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-22 15:31:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:31:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_rx_resources [2021-12-22 15:31:28,994 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_rx_resources [2021-12-22 15:31:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure jme_resume [2021-12-22 15:31:28,994 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_resume [2021-12-22 15:31:28,995 INFO L130 BoogieDeclarations]: Found specification of procedure jme_tx_timeout [2021-12-22 15:31:28,995 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_tx_timeout [2021-12-22 15:31:28,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:31:28,995 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_tx_engine [2021-12-22 15:31:28,995 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_tx_engine [2021-12-22 15:31:28,995 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:31:28,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:31:28,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-22 15:31:28,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-22 15:31:28,998 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:31:28,999 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:31:28,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:31:28,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:31:28,999 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_off [2021-12-22 15:31:28,999 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_off [2021-12-22 15:31:28,999 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_setEA [2021-12-22 15:31:28,999 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_setEA [2021-12-22 15:31:28,999 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-12-22 15:31:29,000 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-12-22 15:31:29,000 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_multi [2021-12-22 15:31:29,001 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_multi [2021-12-22 15:31:29,001 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-22 15:31:29,001 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-22 15:31:29,001 INFO L130 BoogieDeclarations]: Found specification of procedure mmapio_memcpy [2021-12-22 15:31:29,001 INFO L138 BoogieDeclarations]: Found implementation of procedure mmapio_memcpy [2021-12-22 15:31:29,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_87 [2021-12-22 15:31:29,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_87 [2021-12-22 15:31:29,001 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-22 15:31:29,001 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-22 15:31:29,001 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:31:29,002 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:31:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_read [2021-12-22 15:31:29,002 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_read [2021-12-22 15:31:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_81 [2021-12-22 15:31:29,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_81 [2021-12-22 15:31:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure jme_clear_pm [2021-12-22 15:31:29,002 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_clear_pm [2021-12-22 15:31:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2021-12-22 15:31:29,002 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2021-12-22 15:31:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure jme_close [2021-12-22 15:31:29,003 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_close [2021-12-22 15:31:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:31:29,003 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:31:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2021-12-22 15:31:29,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2021-12-22 15:31:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-22 15:31:29,003 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-22 15:31:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_irq [2021-12-22 15:31:29,003 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_irq [2021-12-22 15:31:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:31:29,004 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:31:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure jme_shutdown [2021-12-22 15:31:29,004 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_shutdown [2021-12-22 15:31:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:31:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_off [2021-12-22 15:31:29,004 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_off [2021-12-22 15:31:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_phy_processor [2021-12-22 15:31:29,004 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_phy_processor [2021-12-22 15:31:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure jme_suspend [2021-12-22 15:31:29,005 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_suspend [2021-12-22 15:31:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:31:29,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:31:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-22 15:31:29,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-22 15:31:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_write [2021-12-22 15:31:29,005 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_write [2021-12-22 15:31:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-22 15:31:29,005 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-22 15:31:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_off [2021-12-22 15:31:29,006 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_off [2021-12-22 15:31:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_phyfifo_5level [2021-12-22 15:31:29,006 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_phyfifo_5level [2021-12-22 15:31:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-22 15:31:29,006 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-22 15:31:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-22 15:31:29,006 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-22 15:31:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_eeprom_len [2021-12-22 15:31:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_eeprom_len [2021-12-22 15:31:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2021-12-22 15:31:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2021-12-22 15:31:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:31:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:31:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_pcc_timer [2021-12-22 15:31:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_pcc_timer [2021-12-22 15:31:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure jme_interrupt_mode [2021-12-22 15:31:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_interrupt_mode [2021-12-22 15:31:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_settings [2021-12-22 15:31:29,008 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_settings [2021-12-22 15:31:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_read [2021-12-22 15:31:29,008 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_read [2021-12-22 15:31:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-22 15:31:29,008 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-22 15:31:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 15:31:29,008 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 15:31:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:31:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure jme_open [2021-12-22 15:31:29,009 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_open [2021-12-22 15:31:29,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:31:29,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:31:29,009 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2021-12-22 15:31:29,009 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2021-12-22 15:31:29,009 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2021-12-22 15:31:29,009 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2021-12-22 15:31:29,765 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:31:29,769 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:31:30,013 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:31:32,956 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:31:33,079 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:31:33,113 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:31:33,114 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-22 15:31:33,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:31:33 BoogieIcfgContainer [2021-12-22 15:31:33,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:31:33,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:31:33,118 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:31:33,120 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:31:33,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:31:23" (1/3) ... [2021-12-22 15:31:33,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@280b9236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:31:33, skipping insertion in model container [2021-12-22 15:31:33,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:28" (2/3) ... [2021-12-22 15:31:33,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@280b9236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:31:33, skipping insertion in model container [2021-12-22 15:31:33,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:31:33" (3/3) ... [2021-12-22 15:31:33,122 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i [2021-12-22 15:31:33,126 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:31:33,127 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-22 15:31:33,175 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:31:33,183 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 [2021-12-22 15:31:33,184 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-22 15:31:33,238 INFO L276 IsEmpty]: Start isEmpty. Operand has 2685 states, 1789 states have (on average 1.2655114589155954) internal successors, (2264), 1840 states have internal predecessors, (2264), 740 states have call successors, (740), 158 states have call predecessors, (740), 157 states have return successors, (731), 715 states have call predecessors, (731), 731 states have call successors, (731) [2021-12-22 15:31:33,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-12-22 15:31:33,261 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:31:33,262 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:31:33,262 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)] === [2021-12-22 15:31:33,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:31:33,268 INFO L85 PathProgramCache]: Analyzing trace with hash 396506985, now seen corresponding path program 1 times [2021-12-22 15:31:33,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:31:33,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548268130] [2021-12-22 15:31:33,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:31:33,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:31:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:33,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:31:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:33,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:33,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:31:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:33,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:33,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:31:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:33,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:33,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:31:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:33,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:33,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:31:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:33,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:33,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:31:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:33,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:33,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:31:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:33,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:33,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:31:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:33,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:33,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:31:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:33,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:33,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:31:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:33,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:33,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:31:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:33,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:33,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:31:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:33,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:33,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:31:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:33,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:33,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:31:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:34,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:34,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:31:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:34,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:34,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:31:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:34,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:34,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:31:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:34,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:34,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:31:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:34,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:34,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-22 15:31:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:34,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-22 15:31:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:34,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2021-12-22 15:31:34,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:31:34,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548268130] [2021-12-22 15:31:34,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548268130] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:31:34,133 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:31:34,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:31:34,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227668515] [2021-12-22 15:31:34,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:31:34,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:31:34,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:31:34,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:31:34,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:31:34,169 INFO L87 Difference]: Start difference. First operand has 2685 states, 1789 states have (on average 1.2655114589155954) internal successors, (2264), 1840 states have internal predecessors, (2264), 740 states have call successors, (740), 158 states have call predecessors, (740), 157 states have return successors, (731), 715 states have call predecessors, (731), 731 states have call successors, (731) Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-22 15:31:40,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:31:40,353 INFO L93 Difference]: Finished difference Result 8063 states and 11539 transitions. [2021-12-22 15:31:40,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:31:40,356 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 226 [2021-12-22 15:31:40,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:31:40,428 INFO L225 Difference]: With dead ends: 8063 [2021-12-22 15:31:40,429 INFO L226 Difference]: Without dead ends: 5406 [2021-12-22 15:31:40,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:31:40,453 INFO L933 BasicCegarLoop]: 3815 mSDtfsCounter, 4622 mSDsluCounter, 3912 mSDsCounter, 0 mSdLazyCounter, 2668 mSolverCounterSat, 2423 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5308 SdHoareTripleChecker+Valid, 7727 SdHoareTripleChecker+Invalid, 5091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2423 IncrementalHoareTripleChecker+Valid, 2668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2021-12-22 15:31:40,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5308 Valid, 7727 Invalid, 5091 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2423 Valid, 2668 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2021-12-22 15:31:40,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5406 states. [2021-12-22 15:31:40,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5406 to 5180. [2021-12-22 15:31:40,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5180 states, 3468 states have (on average 1.258650519031142) internal successors, (4365), 3563 states have internal predecessors, (4365), 1399 states have call successors, (1399), 311 states have call predecessors, (1399), 310 states have return successors, (1395), 1363 states have call predecessors, (1395), 1395 states have call successors, (1395) [2021-12-22 15:31:40,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5180 states to 5180 states and 7159 transitions. [2021-12-22 15:31:40,740 INFO L78 Accepts]: Start accepts. Automaton has 5180 states and 7159 transitions. Word has length 226 [2021-12-22 15:31:40,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:31:40,743 INFO L470 AbstractCegarLoop]: Abstraction has 5180 states and 7159 transitions. [2021-12-22 15:31:40,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-22 15:31:40,743 INFO L276 IsEmpty]: Start isEmpty. Operand 5180 states and 7159 transitions. [2021-12-22 15:31:40,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-12-22 15:31:40,750 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:31:40,750 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:31:40,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:31:40,751 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)] === [2021-12-22 15:31:40,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:31:40,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1692106287, now seen corresponding path program 1 times [2021-12-22 15:31:40,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:31:40,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353028210] [2021-12-22 15:31:40,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:31:40,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:31:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:40,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:31:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:40,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:40,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:31:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:40,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:40,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:31:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:40,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:40,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:31:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:40,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:40,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:31:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:40,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:40,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:31:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:40,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:40,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:31:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:40,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:40,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:31:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:41,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:41,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:31:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:41,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:41,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:31:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:41,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:41,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:41,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:31:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:41,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:41,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:31:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:41,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:41,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:31:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:41,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:41,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:31:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:41,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:41,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:31:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:41,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:41,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:31:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:41,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:41,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:31:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:41,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:41,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:31:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:41,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:41,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-22 15:31:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:41,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-22 15:31:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:41,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2021-12-22 15:31:41,223 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:31:41,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353028210] [2021-12-22 15:31:41,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353028210] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:31:41,223 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:31:41,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:31:41,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118101642] [2021-12-22 15:31:41,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:31:41,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:31:41,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:31:41,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:31:41,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:31:41,227 INFO L87 Difference]: Start difference. First operand 5180 states and 7159 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, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-22 15:31:46,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:31:46,286 INFO L93 Difference]: Finished difference Result 14496 states and 20205 transitions. [2021-12-22 15:31:46,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:31:46,287 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, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 235 [2021-12-22 15:31:46,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:31:46,333 INFO L225 Difference]: With dead ends: 14496 [2021-12-22 15:31:46,333 INFO L226 Difference]: Without dead ends: 9357 [2021-12-22 15:31:46,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:31:46,353 INFO L933 BasicCegarLoop]: 3678 mSDtfsCounter, 3673 mSDsluCounter, 3831 mSDsCounter, 0 mSdLazyCounter, 2599 mSolverCounterSat, 2247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4240 SdHoareTripleChecker+Valid, 7509 SdHoareTripleChecker+Invalid, 4846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2247 IncrementalHoareTripleChecker+Valid, 2599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-12-22 15:31:46,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4240 Valid, 7509 Invalid, 4846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2247 Valid, 2599 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-12-22 15:31:46,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9357 states. [2021-12-22 15:31:46,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9357 to 8957. [2021-12-22 15:31:46,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8957 states, 5923 states have (on average 1.2547695424615903) internal successors, (7432), 6111 states have internal predecessors, (7432), 2450 states have call successors, (2450), 574 states have call predecessors, (2450), 581 states have return successors, (2474), 2379 states have call predecessors, (2474), 2446 states have call successors, (2474) [2021-12-22 15:31:46,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8957 states to 8957 states and 12356 transitions. [2021-12-22 15:31:46,656 INFO L78 Accepts]: Start accepts. Automaton has 8957 states and 12356 transitions. Word has length 235 [2021-12-22 15:31:46,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:31:46,657 INFO L470 AbstractCegarLoop]: Abstraction has 8957 states and 12356 transitions. [2021-12-22 15:31:46,658 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, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-22 15:31:46,659 INFO L276 IsEmpty]: Start isEmpty. Operand 8957 states and 12356 transitions. [2021-12-22 15:31:46,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-12-22 15:31:46,663 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:31:46,663 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:31:46,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:31:46,664 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)] === [2021-12-22 15:31:46,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:31:46,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1783377358, now seen corresponding path program 1 times [2021-12-22 15:31:46,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:31:46,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049435094] [2021-12-22 15:31:46,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:31:46,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:31:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:46,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:31:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:46,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:46,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:31:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:46,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:46,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:31:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:46,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:46,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:31:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:46,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:46,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:31:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:46,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:46,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:31:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:46,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:46,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:31:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:46,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:46,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:31:46,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:46,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:46,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:31:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:46,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:46,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:31:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:47,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:47,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:31:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:47,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:47,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:31:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:47,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:47,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:31:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:47,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:47,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:31:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:47,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:47,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:31:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:47,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:47,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:47,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:31:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:47,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:47,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:31:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:47,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:47,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:31:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:47,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:47,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-22 15:31:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:47,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-22 15:31:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:47,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2021-12-22 15:31:47,140 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:31:47,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049435094] [2021-12-22 15:31:47,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049435094] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:31:47,141 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:31:47,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:31:47,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353492410] [2021-12-22 15:31:47,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:31:47,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:31:47,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:31:47,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:31:47,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:31:47,143 INFO L87 Difference]: Start difference. First operand 8957 states and 12356 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-22 15:31:51,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:31:53,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:31:53,921 INFO L93 Difference]: Finished difference Result 26499 states and 36818 transitions. [2021-12-22 15:31:53,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:31:53,921 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 238 [2021-12-22 15:31:53,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:31:54,000 INFO L225 Difference]: With dead ends: 26499 [2021-12-22 15:31:54,000 INFO L226 Difference]: Without dead ends: 17583 [2021-12-22 15:31:54,036 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:31:54,039 INFO L933 BasicCegarLoop]: 4200 mSDtfsCounter, 4149 mSDsluCounter, 3972 mSDsCounter, 0 mSdLazyCounter, 2774 mSolverCounterSat, 2332 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4813 SdHoareTripleChecker+Valid, 8172 SdHoareTripleChecker+Invalid, 5106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2332 IncrementalHoareTripleChecker+Valid, 2774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-12-22 15:31:54,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4813 Valid, 8172 Invalid, 5106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2332 Valid, 2774 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2021-12-22 15:31:54,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17583 states. [2021-12-22 15:31:54,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17583 to 16743. [2021-12-22 15:31:54,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16743 states, 11021 states have (on average 1.2472552399963706) internal successors, (13746), 11361 states have internal predecessors, (13746), 4596 states have call successors, (4596), 1118 states have call predecessors, (4596), 1123 states have return successors, (4620), 4465 states have call predecessors, (4620), 4592 states have call successors, (4620) [2021-12-22 15:31:54,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16743 states to 16743 states and 22962 transitions. [2021-12-22 15:31:54,650 INFO L78 Accepts]: Start accepts. Automaton has 16743 states and 22962 transitions. Word has length 238 [2021-12-22 15:31:54,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:31:54,650 INFO L470 AbstractCegarLoop]: Abstraction has 16743 states and 22962 transitions. [2021-12-22 15:31:54,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-22 15:31:54,651 INFO L276 IsEmpty]: Start isEmpty. Operand 16743 states and 22962 transitions. [2021-12-22 15:31:54,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-12-22 15:31:54,655 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:31:54,655 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:31:54,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 15:31:54,655 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)] === [2021-12-22 15:31:54,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:31:54,656 INFO L85 PathProgramCache]: Analyzing trace with hash 486120781, now seen corresponding path program 1 times [2021-12-22 15:31:54,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:31:54,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864526043] [2021-12-22 15:31:54,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:31:54,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:31:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:31:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:54,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:31:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:31:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:31:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:31:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:31:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:31:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:31:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:31:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:31:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:31:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:31:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:31:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:31:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:31:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:31:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:31:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:31:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:31:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-22 15:31:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-22 15:31:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:31:54,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2021-12-22 15:31:54,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:31:54,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864526043] [2021-12-22 15:31:54,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864526043] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:31:54,954 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:31:54,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:31:54,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635582843] [2021-12-22 15:31:54,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:31:54,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:31:54,955 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:31:54,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:31:54,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:31:54,957 INFO L87 Difference]: Start difference. First operand 16743 states and 22962 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-22 15:31:59,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:31:59,586 INFO L93 Difference]: Finished difference Result 35834 states and 49369 transitions. [2021-12-22 15:31:59,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:31:59,589 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 242 [2021-12-22 15:31:59,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:31:59,664 INFO L225 Difference]: With dead ends: 35834 [2021-12-22 15:31:59,664 INFO L226 Difference]: Without dead ends: 19132 [2021-12-22 15:31:59,716 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:31:59,717 INFO L933 BasicCegarLoop]: 4750 mSDtfsCounter, 3888 mSDsluCounter, 4391 mSDsCounter, 0 mSdLazyCounter, 2650 mSolverCounterSat, 2133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4491 SdHoareTripleChecker+Valid, 9141 SdHoareTripleChecker+Invalid, 4783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2133 IncrementalHoareTripleChecker+Valid, 2650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-22 15:31:59,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4491 Valid, 9141 Invalid, 4783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2133 Valid, 2650 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-22 15:31:59,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19132 states. [2021-12-22 15:32:00,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19132 to 18098. [2021-12-22 15:32:00,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18098 states, 11870 states have (on average 1.239090143218197) internal successors, (14708), 12250 states have internal predecessors, (14708), 4941 states have call successors, (4941), 1282 states have call predecessors, (4941), 1284 states have return successors, (4963), 4782 states have call predecessors, (4963), 4937 states have call successors, (4963) [2021-12-22 15:32:00,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18098 states to 18098 states and 24612 transitions. [2021-12-22 15:32:00,385 INFO L78 Accepts]: Start accepts. Automaton has 18098 states and 24612 transitions. Word has length 242 [2021-12-22 15:32:00,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:32:00,386 INFO L470 AbstractCegarLoop]: Abstraction has 18098 states and 24612 transitions. [2021-12-22 15:32:00,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-22 15:32:00,386 INFO L276 IsEmpty]: Start isEmpty. Operand 18098 states and 24612 transitions. [2021-12-22 15:32:00,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-12-22 15:32:00,390 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:32:00,390 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 18, 18, 18, 18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:32:00,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 15:32:00,390 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)] === [2021-12-22 15:32:00,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:32:00,391 INFO L85 PathProgramCache]: Analyzing trace with hash 973524136, now seen corresponding path program 1 times [2021-12-22 15:32:00,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:32:00,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084487968] [2021-12-22 15:32:00,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:32:00,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:32:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:32:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:32:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:32:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:00,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:32:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:32:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:32:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:32:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:32:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:32:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:00,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:32:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:32:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:32:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:00,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:32:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:32:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:32:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:32:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:32:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:32:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-22 15:32:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-22 15:32:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-22 15:32:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-22 15:32:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:00,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1495 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1488 trivial. 0 not checked. [2021-12-22 15:32:00,700 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:32:00,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084487968] [2021-12-22 15:32:00,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084487968] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:32:00,700 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:32:00,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:32:00,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986226228] [2021-12-22 15:32:00,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:32:00,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:32:00,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:32:00,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:32:00,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:32:00,702 INFO L87 Difference]: Start difference. First operand 18098 states and 24612 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-22 15:32:04,135 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:32:06,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:32:06,538 INFO L93 Difference]: Finished difference Result 48464 states and 66488 transitions. [2021-12-22 15:32:06,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:32:06,539 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 263 [2021-12-22 15:32:06,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:32:06,645 INFO L225 Difference]: With dead ends: 48464 [2021-12-22 15:32:06,646 INFO L226 Difference]: Without dead ends: 30407 [2021-12-22 15:32:06,692 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 [2021-12-22 15:32:06,692 INFO L933 BasicCegarLoop]: 4240 mSDtfsCounter, 4396 mSDsluCounter, 4090 mSDsCounter, 0 mSdLazyCounter, 2699 mSolverCounterSat, 2379 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5077 SdHoareTripleChecker+Valid, 8330 SdHoareTripleChecker+Invalid, 5078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2379 IncrementalHoareTripleChecker+Valid, 2699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-12-22 15:32:06,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5077 Valid, 8330 Invalid, 5078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2379 Valid, 2699 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2021-12-22 15:32:06,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30407 states. [2021-12-22 15:32:07,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30407 to 28995. [2021-12-22 15:32:07,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28995 states, 19217 states have (on average 1.2402560233126918) internal successors, (23834), 19843 states have internal predecessors, (23834), 7776 states have call successors, (7776), 1994 states have call predecessors, (7776), 1999 states have return successors, (7824), 7502 states have call predecessors, (7824), 7772 states have call successors, (7824) [2021-12-22 15:32:07,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28995 states to 28995 states and 39434 transitions. [2021-12-22 15:32:07,593 INFO L78 Accepts]: Start accepts. Automaton has 28995 states and 39434 transitions. Word has length 263 [2021-12-22 15:32:07,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:32:07,595 INFO L470 AbstractCegarLoop]: Abstraction has 28995 states and 39434 transitions. [2021-12-22 15:32:07,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-22 15:32:07,595 INFO L276 IsEmpty]: Start isEmpty. Operand 28995 states and 39434 transitions. [2021-12-22 15:32:07,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-12-22 15:32:07,598 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:32:07,598 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:32:07,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 15:32:07,599 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-22 15:32:07,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:32:07,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1341089088, now seen corresponding path program 1 times [2021-12-22 15:32:07,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:32:07,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103959517] [2021-12-22 15:32:07,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:32:07,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:32:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:32:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:32:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:32:07,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:32:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:32:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:32:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:32:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:32:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:32:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:32:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:32:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:32:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:32:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:32:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:32:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:32:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:32:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:32:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-22 15:32:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-22 15:32:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-22 15:32:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-22 15:32:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-22 15:32:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-22 15:32:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-22 15:32:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-22 15:32:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:07,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1635 trivial. 0 not checked. [2021-12-22 15:32:07,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:32:07,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103959517] [2021-12-22 15:32:07,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103959517] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:32:07,927 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:32:07,927 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:32:07,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803429100] [2021-12-22 15:32:07,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:32:07,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:32:07,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:32:07,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:32:07,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:32:07,928 INFO L87 Difference]: Start difference. First operand 28995 states and 39434 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, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-22 15:32:13,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:32:13,352 INFO L93 Difference]: Finished difference Result 88465 states and 121339 transitions. [2021-12-22 15:32:13,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:32:13,353 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 282 [2021-12-22 15:32:13,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:32:13,621 INFO L225 Difference]: With dead ends: 88465 [2021-12-22 15:32:13,621 INFO L226 Difference]: Without dead ends: 59623 [2021-12-22 15:32:13,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:32:13,727 INFO L933 BasicCegarLoop]: 5806 mSDtfsCounter, 4066 mSDsluCounter, 4971 mSDsCounter, 0 mSdLazyCounter, 2681 mSolverCounterSat, 1948 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4746 SdHoareTripleChecker+Valid, 10777 SdHoareTripleChecker+Invalid, 4629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1948 IncrementalHoareTripleChecker+Valid, 2681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-22 15:32:13,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4746 Valid, 10777 Invalid, 4629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1948 Valid, 2681 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-12-22 15:32:13,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59623 states. [2021-12-22 15:32:15,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59623 to 56887. [2021-12-22 15:32:15,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56887 states, 37724 states have (on average 1.2401919202629625) internal successors, (46785), 38902 states have internal predecessors, (46785), 15220 states have call successors, (15220), 3921 states have call predecessors, (15220), 3940 states have return successors, (15320), 14753 states have call predecessors, (15320), 15216 states have call successors, (15320) [2021-12-22 15:32:15,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56887 states to 56887 states and 77325 transitions. [2021-12-22 15:32:15,569 INFO L78 Accepts]: Start accepts. Automaton has 56887 states and 77325 transitions. Word has length 282 [2021-12-22 15:32:15,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:32:15,570 INFO L470 AbstractCegarLoop]: Abstraction has 56887 states and 77325 transitions. [2021-12-22 15:32:15,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-22 15:32:15,571 INFO L276 IsEmpty]: Start isEmpty. Operand 56887 states and 77325 transitions. [2021-12-22 15:32:15,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-12-22 15:32:15,574 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:32:15,574 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:32:15,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 15:32:15,574 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-22 15:32:15,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:32:15,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1200540478, now seen corresponding path program 1 times [2021-12-22 15:32:15,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:32:15,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293353827] [2021-12-22 15:32:15,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:32:15,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:32:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:32:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:32:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:32:15,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:32:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:32:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:15,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:32:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:32:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:15,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:32:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:32:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:32:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:32:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:32:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:32:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:32:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:32:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:32:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:32:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:15,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:32:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-22 15:32:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-22 15:32:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-22 15:32:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-22 15:32:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-22 15:32:16,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-22 15:32:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-22 15:32:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-22 15:32:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2021-12-22 15:32:16,290 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:32:16,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293353827] [2021-12-22 15:32:16,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293353827] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:32:16,290 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:32:16,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:32:16,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164684078] [2021-12-22 15:32:16,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:32:16,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:32:16,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:32:16,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:32:16,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:32:16,293 INFO L87 Difference]: Start difference. First operand 56887 states and 77325 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27)