./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-can-softing-softing.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-can-softing-softing.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 2a992b8f7caf2083ee3b7e2acdd5fd118d6f91728d6dd0ef901811e301ef25da --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:58:26,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:58:26,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:58:26,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:58:26,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:58:26,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:58:26,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:58:26,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:58:26,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:58:26,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:58:26,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:58:26,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:58:26,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:58:26,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:58:26,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:58:26,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:58:26,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:58:26,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:58:26,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:58:26,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:58:26,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:58:26,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:58:26,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:58:26,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:58:26,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:58:26,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:58:26,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:58:26,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:58:26,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:58:26,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:58:26,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:58:26,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:58:26,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:58:26,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:58:26,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:58:26,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:58:26,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:58:26,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:58:26,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:58:26,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:58:26,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:58:26,414 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:58:26,431 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:58:26,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:58:26,431 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:58:26,431 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:58:26,433 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:58:26,433 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:58:26,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:58:26,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:58:26,434 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:58:26,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:58:26,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:58:26,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:58:26,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:58:26,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:58:26,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:58:26,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:58:26,436 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:58:26,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:58:26,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:58:26,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:58:26,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:58:26,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:58:26,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:58:26,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:58:26,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:58:26,437 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:58:26,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:58:26,438 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:58:26,438 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:58:26,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:58:26,439 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:58:26,439 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a992b8f7caf2083ee3b7e2acdd5fd118d6f91728d6dd0ef901811e301ef25da [2021-12-14 18:58:26,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:58:26,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:58:26,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:58:26,638 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:58:26,638 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:58:26,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-can-softing-softing.cil.i [2021-12-14 18:58:26,690 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0bebe78c/5e6b774951304e259e5929320edf005e/FLAG0433d6d28 [2021-12-14 18:58:27,306 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:58:27,307 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-can-softing-softing.cil.i [2021-12-14 18:58:27,350 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0bebe78c/5e6b774951304e259e5929320edf005e/FLAG0433d6d28 [2021-12-14 18:58:27,468 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0bebe78c/5e6b774951304e259e5929320edf005e [2021-12-14 18:58:27,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:58:27,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:58:27,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:58:27,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:58:27,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:58:27,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:58:27" (1/1) ... [2021-12-14 18:58:27,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73bde5a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:27, skipping insertion in model container [2021-12-14 18:58:27,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:58:27" (1/1) ... [2021-12-14 18:58:27,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:58:27,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:58:29,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-can-softing-softing.cil.i[375187,375200] [2021-12-14 18:58:29,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-can-softing-softing.cil.i[375356,375369] [2021-12-14 18:58:29,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-can-softing-softing.cil.i[375523,375536] [2021-12-14 18:58:29,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-can-softing-softing.cil.i[375691,375704] [2021-12-14 18:58:29,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:58:29,526 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:58:29,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-can-softing-softing.cil.i[375187,375200] [2021-12-14 18:58:29,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-can-softing-softing.cil.i[375356,375369] [2021-12-14 18:58:29,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-can-softing-softing.cil.i[375523,375536] [2021-12-14 18:58:29,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-can-softing-softing.cil.i[375691,375704] [2021-12-14 18:58:29,789 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:58:29,919 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:58:29,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:29 WrapperNode [2021-12-14 18:58:29,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:58:29,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:58:29,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:58:29,921 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:58:29,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:29" (1/1) ... [2021-12-14 18:58:29,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:29" (1/1) ... [2021-12-14 18:58:30,153 INFO L137 Inliner]: procedures = 451, calls = 2315, calls flagged for inlining = 231, calls inlined = 218, statements flattened = 6436 [2021-12-14 18:58:30,154 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:58:30,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:58:30,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:58:30,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:58:30,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:29" (1/1) ... [2021-12-14 18:58:30,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:29" (1/1) ... [2021-12-14 18:58:30,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:29" (1/1) ... [2021-12-14 18:58:30,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:29" (1/1) ... [2021-12-14 18:58:30,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:29" (1/1) ... [2021-12-14 18:58:30,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:29" (1/1) ... [2021-12-14 18:58:30,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:29" (1/1) ... [2021-12-14 18:58:30,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:58:30,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:58:30,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:58:30,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:58:30,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:29" (1/1) ... [2021-12-14 18:58:30,358 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:58:30,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:58:30,374 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 18:58:30,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 18:58:30,406 INFO L130 BoogieDeclarations]: Found specification of procedure softing_reset_chip [2021-12-14 18:58:30,406 INFO L138 BoogieDeclarations]: Found implementation of procedure softing_reset_chip [2021-12-14 18:58:30,406 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-14 18:58:30,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_spin_of_softing [2021-12-14 18:58:30,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_spin_of_softing [2021-12-14 18:58:30,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:58:30,407 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:58:30,407 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 18:58:30,407 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 18:58:30,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:58:30,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:58:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-14 18:58:30,408 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-14 18:58:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2021-12-14 18:58:30,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2021-12-14 18:58:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-12-14 18:58:30,408 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-12-14 18:58:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 18:58:30,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 18:58:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-12-14 18:58:30,409 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-12-14 18:58:30,409 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-14 18:58:30,409 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-14 18:58:30,409 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-12-14 18:58:30,409 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-12-14 18:58:30,409 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2021-12-14 18:58:30,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2021-12-14 18:58:30,409 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-14 18:58:30,409 INFO L130 BoogieDeclarations]: Found specification of procedure softing_fct_cmd [2021-12-14 18:58:30,410 INFO L138 BoogieDeclarations]: Found implementation of procedure softing_fct_cmd [2021-12-14 18:58:30,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:58:30,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 18:58:30,410 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-14 18:58:30,410 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-14 18:58:30,410 INFO L130 BoogieDeclarations]: Found specification of procedure canif_is_active [2021-12-14 18:58:30,410 INFO L138 BoogieDeclarations]: Found implementation of procedure canif_is_active [2021-12-14 18:58:30,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:58:30,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:58:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-12-14 18:58:30,411 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-12-14 18:58:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:58:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-14 18:58:30,411 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-14 18:58:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure softing_netdev_open [2021-12-14 18:58:30,411 INFO L138 BoogieDeclarations]: Found implementation of procedure softing_netdev_open [2021-12-14 18:58:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 18:58:30,411 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 18:58:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:58:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-14 18:58:30,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-14 18:58:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:58:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 18:58:30,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 18:58:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:58:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:58:30,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:58:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure open_candev [2021-12-14 18:58:30,413 INFO L138 BoogieDeclarations]: Found implementation of procedure open_candev [2021-12-14 18:58:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 18:58:30,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 18:58:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure softing_netdev_rx [2021-12-14 18:58:30,413 INFO L138 BoogieDeclarations]: Found implementation of procedure softing_netdev_rx [2021-12-14 18:58:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-14 18:58:30,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-14 18:58:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:58:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-14 18:58:30,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-14 18:58:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-14 18:58:30,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-14 18:58:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-14 18:58:30,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-14 18:58:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure softing_card_shutdown [2021-12-14 18:58:30,414 INFO L138 BoogieDeclarations]: Found implementation of procedure softing_card_shutdown [2021-12-14 18:58:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:58:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:58:30,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:58:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:58:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 18:58:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-14 18:58:30,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-14 18:58:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:58:30,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:58:30,416 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_set [2021-12-14 18:58:30,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_set [2021-12-14 18:58:30,416 INFO L130 BoogieDeclarations]: Found specification of procedure softing_netdev_cleanup [2021-12-14 18:58:30,416 INFO L138 BoogieDeclarations]: Found implementation of procedure softing_netdev_cleanup [2021-12-14 18:58:30,416 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:58:30,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:58:30,416 INFO L130 BoogieDeclarations]: Found specification of procedure softing_startstop [2021-12-14 18:58:30,416 INFO L138 BoogieDeclarations]: Found implementation of procedure softing_startstop [2021-12-14 18:58:30,416 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-12-14 18:58:30,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-12-14 18:58:30,417 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_add_us [2021-12-14 18:58:30,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_add_us [2021-12-14 18:58:30,417 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2021-12-14 18:58:30,417 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2021-12-14 18:58:30,417 INFO L130 BoogieDeclarations]: Found specification of procedure softing_bootloader_command [2021-12-14 18:58:30,417 INFO L138 BoogieDeclarations]: Found implementation of procedure softing_bootloader_command [2021-12-14 18:58:30,417 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-12-14 18:58:30,417 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-12-14 18:58:30,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_62 [2021-12-14 18:58:30,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_62 [2021-12-14 18:58:30,418 INFO L130 BoogieDeclarations]: Found specification of procedure softing_raw2ktime [2021-12-14 18:58:30,418 INFO L138 BoogieDeclarations]: Found implementation of procedure softing_raw2ktime [2021-12-14 18:58:30,418 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2021-12-14 18:58:30,418 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2021-12-14 18:58:30,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:58:30,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:58:30,418 INFO L130 BoogieDeclarations]: Found specification of procedure store_output [2021-12-14 18:58:30,419 INFO L138 BoogieDeclarations]: Found implementation of procedure store_output [2021-12-14 18:58:30,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:58:30,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:58:30,419 INFO L130 BoogieDeclarations]: Found specification of procedure softing_pdev_probe [2021-12-14 18:58:30,419 INFO L138 BoogieDeclarations]: Found implementation of procedure softing_pdev_probe [2021-12-14 18:58:30,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:58:30,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:58:30,419 INFO L130 BoogieDeclarations]: Found specification of procedure softing_netdev_stop [2021-12-14 18:58:30,420 INFO L138 BoogieDeclarations]: Found implementation of procedure softing_netdev_stop [2021-12-14 18:58:30,420 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2021-12-14 18:58:30,420 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2021-12-14 18:58:30,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 18:58:30,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 18:58:30,420 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-14 18:58:30,420 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-14 18:58:30,420 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-12-14 18:58:30,420 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-12-14 18:58:30,421 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 18:58:30,421 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 18:58:30,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:58:30,421 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:58:30,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_softing_driver_exit_21_2 [2021-12-14 18:58:30,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_softing_driver_exit_21_2 [2021-12-14 18:58:30,421 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 18:58:30,421 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 18:58:30,421 INFO L130 BoogieDeclarations]: Found specification of procedure softing_set_reset_dpram [2021-12-14 18:58:30,422 INFO L138 BoogieDeclarations]: Found implementation of procedure softing_set_reset_dpram [2021-12-14 18:58:30,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:58:30,422 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 18:58:30,422 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 18:58:30,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:58:30,422 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-14 18:58:30,422 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-14 18:58:30,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:58:30,422 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-14 18:58:30,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-14 18:58:30,423 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 18:58:30,423 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 18:58:30,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 18:58:30,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 18:58:30,423 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-14 18:58:30,423 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-14 18:58:30,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-14 18:58:30,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-14 18:58:30,424 INFO L130 BoogieDeclarations]: Found specification of procedure fw_parse [2021-12-14 18:58:30,424 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_parse [2021-12-14 18:58:30,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 18:58:30,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 18:58:30,424 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2021-12-14 18:58:30,424 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2021-12-14 18:58:30,424 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:58:30,424 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:58:30,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:58:30,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:58:30,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:58:30,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_61 [2021-12-14 18:58:30,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_61 [2021-12-14 18:58:30,425 INFO L130 BoogieDeclarations]: Found specification of procedure _softing_fct_cmd [2021-12-14 18:58:30,425 INFO L138 BoogieDeclarations]: Found implementation of procedure _softing_fct_cmd [2021-12-14 18:58:30,425 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2021-12-14 18:58:30,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2021-12-14 18:58:30,425 INFO L130 BoogieDeclarations]: Found specification of procedure softing_error_reporting [2021-12-14 18:58:30,425 INFO L138 BoogieDeclarations]: Found implementation of procedure softing_error_reporting [2021-12-14 18:58:30,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 18:58:30,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 18:58:30,426 INFO L130 BoogieDeclarations]: Found specification of procedure softing_pdev_remove [2021-12-14 18:58:30,426 INFO L138 BoogieDeclarations]: Found implementation of procedure softing_pdev_remove [2021-12-14 18:58:30,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_spin_of_softing [2021-12-14 18:58:30,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_spin_of_softing [2021-12-14 18:58:30,426 INFO L130 BoogieDeclarations]: Found specification of procedure softing_enable_irq [2021-12-14 18:58:30,426 INFO L138 BoogieDeclarations]: Found implementation of procedure softing_enable_irq [2021-12-14 18:58:30,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:58:30,426 INFO L130 BoogieDeclarations]: Found specification of procedure softing_load_fw [2021-12-14 18:58:30,427 INFO L138 BoogieDeclarations]: Found implementation of procedure softing_load_fw [2021-12-14 18:58:30,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 18:58:30,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 18:58:31,121 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:58:31,124 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:58:31,982 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:58:33,627 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-14 18:58:33,688 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:58:33,703 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:58:33,703 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 18:58:33,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:58:33 BoogieIcfgContainer [2021-12-14 18:58:33,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:58:33,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:58:33,708 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:58:33,710 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:58:33,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:58:27" (1/3) ... [2021-12-14 18:58:33,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@761fb42a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:58:33, skipping insertion in model container [2021-12-14 18:58:33,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:29" (2/3) ... [2021-12-14 18:58:33,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@761fb42a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:58:33, skipping insertion in model container [2021-12-14 18:58:33,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:58:33" (3/3) ... [2021-12-14 18:58:33,713 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-can-softing-softing.cil.i [2021-12-14 18:58:33,716 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:58:33,717 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-14 18:58:33,763 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:58:33,767 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 18:58:33,767 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-14 18:58:33,813 INFO L276 IsEmpty]: Start isEmpty. Operand has 2170 states, 1530 states have (on average 1.3091503267973856) internal successors, (2003), 1544 states have internal predecessors, (2003), 555 states have call successors, (555), 83 states have call predecessors, (555), 82 states have return successors, (547), 547 states have call predecessors, (547), 547 states have call successors, (547) [2021-12-14 18:58:33,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2021-12-14 18:58:33,833 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:58:33,834 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 39, 39, 39, 39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:58:33,834 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:58:33,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:58:33,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1387021958, now seen corresponding path program 1 times [2021-12-14 18:58:33,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:58:33,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413598698] [2021-12-14 18:58:33,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:58:33,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:58:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:58:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:58:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:58:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:58:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:58:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:58:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:58:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:58:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:58:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:58:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:58:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:58:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:58:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:58:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:58:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:58:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:58:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:58:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:58:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:58:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:58:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-14 18:58:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-14 18:58:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:58:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:34,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-14 18:58:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-14 18:58:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-14 18:58:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-14 18:58:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:34,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:35,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-14 18:58:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:35,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:35,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-14 18:58:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:35,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:35,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-14 18:58:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:35,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:35,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-14 18:58:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:35,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:35,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-14 18:58:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:35,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:35,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-14 18:58:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:35,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:35,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-14 18:58:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:35,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:35,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-14 18:58:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:35,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:35,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-14 18:58:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:35,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:35,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-14 18:58:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:35,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:35,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-14 18:58:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:35,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:35,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-12-14 18:58:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:35,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-14 18:58:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:35,171 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6786 trivial. 0 not checked. [2021-12-14 18:58:35,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:58:35,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413598698] [2021-12-14 18:58:35,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413598698] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:58:35,173 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:58:35,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:58:35,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337393196] [2021-12-14 18:58:35,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:58:35,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:58:35,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:58:35,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:58:35,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:58:35,209 INFO L87 Difference]: Start difference. First operand has 2170 states, 1530 states have (on average 1.3091503267973856) internal successors, (2003), 1544 states have internal predecessors, (2003), 555 states have call successors, (555), 83 states have call predecessors, (555), 82 states have return successors, (547), 547 states have call predecessors, (547), 547 states have call successors, (547) Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-14 18:58:38,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:58:38,718 INFO L93 Difference]: Finished difference Result 6248 states and 9238 transitions. [2021-12-14 18:58:38,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:58:38,721 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 457 [2021-12-14 18:58:38,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:58:38,774 INFO L225 Difference]: With dead ends: 6248 [2021-12-14 18:58:38,775 INFO L226 Difference]: Without dead ends: 4144 [2021-12-14 18:58:38,786 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:58:38,788 INFO L933 BasicCegarLoop]: 3506 mSDtfsCounter, 3057 mSDsluCounter, 4598 mSDsCounter, 0 mSdLazyCounter, 1380 mSolverCounterSat, 1280 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3402 SdHoareTripleChecker+Valid, 8104 SdHoareTripleChecker+Invalid, 2660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1280 IncrementalHoareTripleChecker+Valid, 1380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-12-14 18:58:38,789 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3402 Valid, 8104 Invalid, 2660 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1280 Valid, 1380 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-12-14 18:58:38,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4144 states. [2021-12-14 18:58:38,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4144 to 4059. [2021-12-14 18:58:38,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4059 states, 2887 states have (on average 1.3037755455490128) internal successors, (3764), 2917 states have internal predecessors, (3764), 1006 states have call successors, (1006), 160 states have call predecessors, (1006), 163 states have return successors, (1081), 1000 states have call predecessors, (1081), 1002 states have call successors, (1081) [2021-12-14 18:58:39,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4059 states to 4059 states and 5851 transitions. [2021-12-14 18:58:39,008 INFO L78 Accepts]: Start accepts. Automaton has 4059 states and 5851 transitions. Word has length 457 [2021-12-14 18:58:39,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:58:39,011 INFO L470 AbstractCegarLoop]: Abstraction has 4059 states and 5851 transitions. [2021-12-14 18:58:39,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-14 18:58:39,014 INFO L276 IsEmpty]: Start isEmpty. Operand 4059 states and 5851 transitions. [2021-12-14 18:58:39,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2021-12-14 18:58:39,023 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:58:39,024 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 39, 39, 39, 39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:58:39,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:58:39,024 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:58:39,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:58:39,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1752192221, now seen corresponding path program 1 times [2021-12-14 18:58:39,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:58:39,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717952707] [2021-12-14 18:58:39,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:58:39,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:58:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:58:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:58:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:58:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:58:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:58:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:58:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:58:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:58:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:58:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:58:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:58:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:58:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:58:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:58:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:58:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:58:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:58:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:58:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:58:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:58:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:58:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-14 18:58:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-14 18:58:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:58:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-14 18:58:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-14 18:58:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-14 18:58:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-14 18:58:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-14 18:58:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-14 18:58:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-14 18:58:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-14 18:58:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-14 18:58:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-14 18:58:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-14 18:58:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-14 18:58:39,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-14 18:58:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-14 18:58:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-14 18:58:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-12-14 18:58:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-14 18:58:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:39,713 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6786 trivial. 0 not checked. [2021-12-14 18:58:39,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:58:39,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717952707] [2021-12-14 18:58:39,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717952707] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:58:39,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:58:39,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:58:39,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051686607] [2021-12-14 18:58:39,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:58:39,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:58:39,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:58:39,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:58:39,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:58:39,719 INFO L87 Difference]: Start difference. First operand 4059 states and 5851 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-14 18:58:42,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:58:42,939 INFO L93 Difference]: Finished difference Result 11962 states and 17365 transitions. [2021-12-14 18:58:42,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:58:42,940 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 457 [2021-12-14 18:58:42,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:58:42,989 INFO L225 Difference]: With dead ends: 11962 [2021-12-14 18:58:42,990 INFO L226 Difference]: Without dead ends: 7986 [2021-12-14 18:58:43,012 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:58:43,013 INFO L933 BasicCegarLoop]: 3433 mSDtfsCounter, 3171 mSDsluCounter, 4446 mSDsCounter, 0 mSdLazyCounter, 1377 mSolverCounterSat, 1242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3554 SdHoareTripleChecker+Valid, 7879 SdHoareTripleChecker+Invalid, 2619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1242 IncrementalHoareTripleChecker+Valid, 1377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-14 18:58:43,013 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3554 Valid, 7879 Invalid, 2619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1242 Valid, 1377 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-12-14 18:58:43,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7986 states. [2021-12-14 18:58:43,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7986 to 7864. [2021-12-14 18:58:43,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7864 states, 5614 states have (on average 1.3086925543284647) internal successors, (7347), 5666 states have internal predecessors, (7347), 1924 states have call successors, (1924), 316 states have call predecessors, (1924), 323 states have return successors, (2078), 1919 states have call predecessors, (2078), 1920 states have call successors, (2078) [2021-12-14 18:58:43,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7864 states to 7864 states and 11349 transitions. [2021-12-14 18:58:43,342 INFO L78 Accepts]: Start accepts. Automaton has 7864 states and 11349 transitions. Word has length 457 [2021-12-14 18:58:43,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:58:43,343 INFO L470 AbstractCegarLoop]: Abstraction has 7864 states and 11349 transitions. [2021-12-14 18:58:43,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-14 18:58:43,344 INFO L276 IsEmpty]: Start isEmpty. Operand 7864 states and 11349 transitions. [2021-12-14 18:58:43,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2021-12-14 18:58:43,350 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:58:43,350 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 39, 39, 39, 39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:58:43,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:58:43,351 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:58:43,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:58:43,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1308864035, now seen corresponding path program 1 times [2021-12-14 18:58:43,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:58:43,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100930375] [2021-12-14 18:58:43,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:58:43,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:58:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:58:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:58:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:58:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:58:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:58:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:58:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:58:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:58:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:58:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:58:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:58:43,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:58:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:58:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:58:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:58:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:58:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:58:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:58:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:58:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:58:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:58:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-14 18:58:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-14 18:58:43,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:58:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-14 18:58:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-14 18:58:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-14 18:58:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-14 18:58:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-14 18:58:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-14 18:58:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-14 18:58:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-14 18:58:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-14 18:58:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-14 18:58:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-14 18:58:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-14 18:58:43,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-14 18:58:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-14 18:58:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-14 18:58:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-12-14 18:58:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-14 18:58:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:43,924 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6786 trivial. 0 not checked. [2021-12-14 18:58:43,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:58:43,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100930375] [2021-12-14 18:58:43,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100930375] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:58:43,925 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:58:43,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:58:43,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622310246] [2021-12-14 18:58:43,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:58:43,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:58:43,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:58:43,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:58:43,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:58:43,927 INFO L87 Difference]: Start difference. First operand 7864 states and 11349 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-14 18:58:47,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:58:47,479 INFO L93 Difference]: Finished difference Result 23190 states and 33934 transitions. [2021-12-14 18:58:47,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:58:47,480 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 466 [2021-12-14 18:58:47,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:58:47,560 INFO L225 Difference]: With dead ends: 23190 [2021-12-14 18:58:47,561 INFO L226 Difference]: Without dead ends: 15409 [2021-12-14 18:58:47,594 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:58:47,594 INFO L933 BasicCegarLoop]: 3475 mSDtfsCounter, 3113 mSDsluCounter, 4535 mSDsCounter, 0 mSdLazyCounter, 1371 mSolverCounterSat, 1290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3462 SdHoareTripleChecker+Valid, 8010 SdHoareTripleChecker+Invalid, 2661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1290 IncrementalHoareTripleChecker+Valid, 1371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-12-14 18:58:47,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3462 Valid, 8010 Invalid, 2661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1290 Valid, 1371 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-12-14 18:58:47,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15409 states. [2021-12-14 18:58:48,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15409 to 15172. [2021-12-14 18:58:48,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15172 states, 10822 states have (on average 1.308353354278322) internal successors, (14159), 10936 states have internal predecessors, (14159), 3702 states have call successors, (3702), 626 states have call predecessors, (3702), 645 states have return successors, (4402), 3681 states have call predecessors, (4402), 3698 states have call successors, (4402) [2021-12-14 18:58:48,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15172 states to 15172 states and 22263 transitions. [2021-12-14 18:58:48,133 INFO L78 Accepts]: Start accepts. Automaton has 15172 states and 22263 transitions. Word has length 466 [2021-12-14 18:58:48,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:58:48,134 INFO L470 AbstractCegarLoop]: Abstraction has 15172 states and 22263 transitions. [2021-12-14 18:58:48,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-14 18:58:48,135 INFO L276 IsEmpty]: Start isEmpty. Operand 15172 states and 22263 transitions. [2021-12-14 18:58:48,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2021-12-14 18:58:48,144 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:58:48,144 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 39, 39, 39, 39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:58:48,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 18:58:48,144 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:58:48,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:58:48,145 INFO L85 PathProgramCache]: Analyzing trace with hash 2054950456, now seen corresponding path program 1 times [2021-12-14 18:58:48,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:58:48,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031665681] [2021-12-14 18:58:48,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:58:48,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:58:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:58:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:58:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:58:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:58:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:58:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:58:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:58:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:58:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:58:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:58:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:58:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:58:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:58:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:58:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:58:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:58:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:58:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:58:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:58:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:58:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:58:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-14 18:58:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-14 18:58:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:58:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-14 18:58:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-14 18:58:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-14 18:58:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-14 18:58:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-14 18:58:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-14 18:58:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-14 18:58:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-14 18:58:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-14 18:58:48,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-14 18:58:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-14 18:58:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-14 18:58:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-14 18:58:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-14 18:58:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-14 18:58:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-12-14 18:58:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-12-14 18:58:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-14 18:58:48,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-14 18:58:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:48,880 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6786 trivial. 0 not checked. [2021-12-14 18:58:48,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:58:48,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031665681] [2021-12-14 18:58:48,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031665681] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:58:48,881 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:58:48,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 18:58:48,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411947678] [2021-12-14 18:58:48,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:58:48,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 18:58:48,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:58:48,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 18:58:48,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-14 18:58:48,883 INFO L87 Difference]: Start difference. First operand 15172 states and 22263 transitions. Second operand has 7 states, 6 states have (on average 14.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-12-14 18:58:56,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:58:56,647 INFO L93 Difference]: Finished difference Result 45351 states and 66618 transitions. [2021-12-14 18:58:56,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-14 18:58:56,648 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 484 [2021-12-14 18:58:56,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:58:56,792 INFO L225 Difference]: With dead ends: 45351 [2021-12-14 18:58:56,792 INFO L226 Difference]: Without dead ends: 30262 [2021-12-14 18:58:56,861 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:58:56,864 INFO L933 BasicCegarLoop]: 3939 mSDtfsCounter, 14619 mSDsluCounter, 6687 mSDsCounter, 0 mSdLazyCounter, 4351 mSolverCounterSat, 6416 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15516 SdHoareTripleChecker+Valid, 10626 SdHoareTripleChecker+Invalid, 10767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6416 IncrementalHoareTripleChecker+Valid, 4351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-12-14 18:58:56,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15516 Valid, 10626 Invalid, 10767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6416 Valid, 4351 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2021-12-14 18:58:57,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30262 states. [2021-12-14 18:58:57,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30262 to 29784. [2021-12-14 18:58:57,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29784 states, 21290 states have (on average 1.3053546265852514) internal successors, (27791), 21536 states have internal predecessors, (27791), 7202 states have call successors, (7202), 1258 states have call predecessors, (7202), 1289 states have return successors, (8567), 7133 states have call predecessors, (8567), 7198 states have call successors, (8567) [2021-12-14 18:58:58,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29784 states to 29784 states and 43560 transitions. [2021-12-14 18:58:58,068 INFO L78 Accepts]: Start accepts. Automaton has 29784 states and 43560 transitions. Word has length 484 [2021-12-14 18:58:58,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:58:58,068 INFO L470 AbstractCegarLoop]: Abstraction has 29784 states and 43560 transitions. [2021-12-14 18:58:58,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-12-14 18:58:58,069 INFO L276 IsEmpty]: Start isEmpty. Operand 29784 states and 43560 transitions. [2021-12-14 18:58:58,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2021-12-14 18:58:58,075 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:58:58,076 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 39, 39, 39, 39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:58:58,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 18:58:58,076 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)] === [2021-12-14 18:58:58,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:58:58,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1234210745, now seen corresponding path program 1 times [2021-12-14 18:58:58,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:58:58,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603128523] [2021-12-14 18:58:58,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:58:58,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:58:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:58:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:58:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:58:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:58:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:58:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:58:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:58:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:58:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:58:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:58:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:58:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:58:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:58:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:58:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:58:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:58:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:58:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:58:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:58:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:58:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:58:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-14 18:58:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-14 18:58:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:58:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-14 18:58:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-14 18:58:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-14 18:58:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-14 18:58:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-14 18:58:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-14 18:58:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-14 18:58:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-14 18:58:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-14 18:58:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-14 18:58:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-14 18:58:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-14 18:58:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-14 18:58:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-14 18:58:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-14 18:58:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-12-14 18:58:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-12-14 18:58:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-12-14 18:58:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:58,708 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6786 trivial. 0 not checked. [2021-12-14 18:58:58,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:58:58,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603128523] [2021-12-14 18:58:58,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603128523] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:58:58,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:58:58,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:58:58,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968346291] [2021-12-14 18:58:58,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:58:58,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:58:58,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:58:58,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:58:58,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:58:58,710 INFO L87 Difference]: Start difference. First operand 29784 states and 43560 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-12-14 18:59:02,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:59:02,252 INFO L93 Difference]: Finished difference Result 69359 states and 101130 transitions. [2021-12-14 18:59:02,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:59:02,253 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 486 [2021-12-14 18:59:02,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:59:02,416 INFO L225 Difference]: With dead ends: 69359 [2021-12-14 18:59:02,417 INFO L226 Difference]: Without dead ends: 39658 [2021-12-14 18:59:02,518 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:59:02,519 INFO L933 BasicCegarLoop]: 3951 mSDtfsCounter, 2738 mSDsluCounter, 4581 mSDsCounter, 0 mSdLazyCounter, 1490 mSolverCounterSat, 1146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3102 SdHoareTripleChecker+Valid, 8532 SdHoareTripleChecker+Invalid, 2636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1146 IncrementalHoareTripleChecker+Valid, 1490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-14 18:59:02,522 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3102 Valid, 8532 Invalid, 2636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1146 Valid, 1490 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-14 18:59:02,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39658 states. [2021-12-14 18:59:03,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39658 to 39170. [2021-12-14 18:59:03,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39170 states, 27964 states have (on average 1.3012086968960093) internal successors, (36387), 28304 states have internal predecessors, (36387), 9490 states have call successors, (9490), 1693 states have call predecessors, (9490), 1713 states have return successors, (10611), 9354 states have call predecessors, (10611), 9486 states have call successors, (10611) [2021-12-14 18:59:03,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39170 states to 39170 states and 56488 transitions. [2021-12-14 18:59:03,982 INFO L78 Accepts]: Start accepts. Automaton has 39170 states and 56488 transitions. Word has length 486 [2021-12-14 18:59:03,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:59:03,983 INFO L470 AbstractCegarLoop]: Abstraction has 39170 states and 56488 transitions. [2021-12-14 18:59:03,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-12-14 18:59:03,983 INFO L276 IsEmpty]: Start isEmpty. Operand 39170 states and 56488 transitions. [2021-12-14 18:59:03,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2021-12-14 18:59:03,988 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:59:03,989 INFO L514 BasicCegarLoop]: trace histogram [43, 43, 39, 39, 39, 39, 39, 39, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:59:03,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 18:59:03,989 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:59:03,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:59:03,989 INFO L85 PathProgramCache]: Analyzing trace with hash -737862442, now seen corresponding path program 1 times [2021-12-14 18:59:03,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:59:03,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741162684] [2021-12-14 18:59:03,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:59:03,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:59:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:59:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:59:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:59:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:59:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:59:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:59:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:59:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:59:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:59:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:59:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:59:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:59:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:59:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:59:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:59:04,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:59:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:59:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:59:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:59:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:59:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:59:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-14 18:59:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-14 18:59:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:59:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-14 18:59:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-14 18:59:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-14 18:59:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-14 18:59:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-14 18:59:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-14 18:59:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-14 18:59:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-14 18:59:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-14 18:59:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-14 18:59:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-14 18:59:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-14 18:59:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-14 18:59:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-14 18:59:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-14 18:59:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-12-14 18:59:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-12-14 18:59:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-14 18:59:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-12-14 18:59:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2021-12-14 18:59:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-14 18:59:04,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-12-14 18:59:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-14 18:59:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:04,564 INFO L134 CoverageAnalysis]: Checked inductivity of 7189 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7179 trivial. 0 not checked. [2021-12-14 18:59:04,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:59:04,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741162684] [2021-12-14 18:59:04,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741162684] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:59:04,564 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:59:04,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:59:04,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317988583] [2021-12-14 18:59:04,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:59:04,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:59:04,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:59:04,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:59:04,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:59:04,566 INFO L87 Difference]: Start difference. First operand 39170 states and 56488 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-14 18:59:08,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:59:08,848 INFO L93 Difference]: Finished difference Result 115273 states and 166790 transitions. [2021-12-14 18:59:08,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:59:08,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 513 [2021-12-14 18:59:08,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:59:09,404 INFO L225 Difference]: With dead ends: 115273 [2021-12-14 18:59:09,404 INFO L226 Difference]: Without dead ends: 76722 [2021-12-14 18:59:09,525 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:59:09,527 INFO L933 BasicCegarLoop]: 5600 mSDtfsCounter, 2894 mSDsluCounter, 5916 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 806 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3253 SdHoareTripleChecker+Valid, 11516 SdHoareTripleChecker+Invalid, 2245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 806 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-14 18:59:09,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3253 Valid, 11516 Invalid, 2245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [806 Valid, 1439 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-12-14 18:59:09,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76722 states. [2021-12-14 18:59:11,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76722 to 75808. [2021-12-14 18:59:11,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75808 states, 54096 states have (on average 1.304366311742088) internal successors, (70561), 54686 states have internal predecessors, (70561), 18374 states have call successors, (18374), 3278 states have call predecessors, (18374), 3335 states have return successors, (20620), 18207 states have call predecessors, (20620), 18370 states have call successors, (20620) [2021-12-14 18:59:11,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75808 states to 75808 states and 109555 transitions. [2021-12-14 18:59:11,866 INFO L78 Accepts]: Start accepts. Automaton has 75808 states and 109555 transitions. Word has length 513 [2021-12-14 18:59:11,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:59:11,867 INFO L470 AbstractCegarLoop]: Abstraction has 75808 states and 109555 transitions. [2021-12-14 18:59:11,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-14 18:59:11,868 INFO L276 IsEmpty]: Start isEmpty. Operand 75808 states and 109555 transitions. [2021-12-14 18:59:11,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2021-12-14 18:59:11,873 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:59:11,874 INFO L514 BasicCegarLoop]: trace histogram [43, 43, 39, 39, 39, 39, 39, 39, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:59:11,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-14 18:59:11,874 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)] === [2021-12-14 18:59:11,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:59:11,874 INFO L85 PathProgramCache]: Analyzing trace with hash -597313832, now seen corresponding path program 1 times [2021-12-14 18:59:11,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:59:11,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747027379] [2021-12-14 18:59:11,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:59:11,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:59:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:59:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:59:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:59:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:59:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:59:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:59:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:59:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:59:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:59:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:59:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:59:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:59:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:59:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:59:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:59:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:59:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:59:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:59:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:59:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:59:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:59:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-14 18:59:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-14 18:59:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:59:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-14 18:59:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-14 18:59:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-14 18:59:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-14 18:59:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-14 18:59:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-14 18:59:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-14 18:59:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-14 18:59:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-14 18:59:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:12,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:13,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-14 18:59:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:13,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:13,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-14 18:59:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:13,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:13,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-14 18:59:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:13,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:13,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-14 18:59:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:13,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:13,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-14 18:59:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:13,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:13,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-14 18:59:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:13,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:13,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-12-14 18:59:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:13,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-12-14 18:59:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:13,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-14 18:59:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:13,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-12-14 18:59:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:13,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2021-12-14 18:59:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:13,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:13,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-14 18:59:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:13,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-12-14 18:59:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:13,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-14 18:59:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:13,222 INFO L134 CoverageAnalysis]: Checked inductivity of 7189 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7189 trivial. 0 not checked. [2021-12-14 18:59:13,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:59:13,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747027379] [2021-12-14 18:59:13,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747027379] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:59:13,222 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:59:13,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:59:13,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873941695] [2021-12-14 18:59:13,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:59:13,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:59:13,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:59:13,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:59:13,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:59:13,224 INFO L87 Difference]: Start difference. First operand 75808 states and 109555 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-12-14 18:59:16,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:59:16,601 INFO L93 Difference]: Finished difference Result 76724 states and 111093 transitions. [2021-12-14 18:59:16,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:59:16,602 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 513 [2021-12-14 18:59:16,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:59:16,886 INFO L225 Difference]: With dead ends: 76724 [2021-12-14 18:59:16,886 INFO L226 Difference]: Without dead ends: 76722 [2021-12-14 18:59:16,926 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-14 18:59:16,926 INFO L933 BasicCegarLoop]: 2998 mSDtfsCounter, 2916 mSDsluCounter, 7067 mSDsCounter, 0 mSdLazyCounter, 1385 mSolverCounterSat, 789 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3205 SdHoareTripleChecker+Valid, 10065 SdHoareTripleChecker+Invalid, 2174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 789 IncrementalHoareTripleChecker+Valid, 1385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-14 18:59:16,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3205 Valid, 10065 Invalid, 2174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [789 Valid, 1385 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-14 18:59:17,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76722 states.