./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-wireless-rtl818x-rtl8180-rtl8180.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.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 5a5abe7d84ebfba3a3d05a8884a5cfb8bfd1e0698553d38fcfc4a2d2724f4159 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 11:21:04,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 11:21:04,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 11:21:04,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 11:21:04,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 11:21:04,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 11:21:04,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 11:21:04,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 11:21:04,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 11:21:04,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 11:21:04,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 11:21:04,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 11:21:04,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 11:21:04,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 11:21:04,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 11:21:04,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 11:21:04,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 11:21:04,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 11:21:04,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 11:21:04,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 11:21:04,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 11:21:04,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 11:21:04,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 11:21:04,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 11:21:04,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 11:21:04,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 11:21:04,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 11:21:04,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 11:21:04,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 11:21:04,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 11:21:04,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 11:21:04,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 11:21:04,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 11:21:04,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 11:21:04,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 11:21:04,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 11:21:04,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 11:21:04,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 11:21:04,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 11:21:04,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 11:21:04,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 11:21:04,454 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 11:21:04,478 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 11:21:04,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 11:21:04,481 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 11:21:04,481 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 11:21:04,482 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 11:21:04,482 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 11:21:04,483 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 11:21:04,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 11:21:04,483 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 11:21:04,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 11:21:04,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 11:21:04,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 11:21:04,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 11:21:04,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 11:21:04,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 11:21:04,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 11:21:04,485 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 11:21:04,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 11:21:04,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 11:21:04,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 11:21:04,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 11:21:04,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 11:21:04,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 11:21:04,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 11:21:04,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 11:21:04,486 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 11:21:04,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 11:21:04,487 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 11:21:04,487 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 11:21:04,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 11:21:04,487 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 11:21:04,487 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a5abe7d84ebfba3a3d05a8884a5cfb8bfd1e0698553d38fcfc4a2d2724f4159 [2021-11-17 11:21:04,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 11:21:04,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 11:21:04,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 11:21:04,744 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 11:21:04,744 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 11:21:04,746 INFO L432 ainManager$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-wireless-rtl818x-rtl8180-rtl8180.cil.i [2021-11-17 11:21:04,805 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6f5a45dc/5614513d51cd4a9287af4693b38724f6/FLAG25069524e [2021-11-17 11:21:05,494 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 11:21:05,495 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-wireless-rtl818x-rtl8180-rtl8180.cil.i [2021-11-17 11:21:05,558 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6f5a45dc/5614513d51cd4a9287af4693b38724f6/FLAG25069524e [2021-11-17 11:21:05,581 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6f5a45dc/5614513d51cd4a9287af4693b38724f6 [2021-11-17 11:21:05,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 11:21:05,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 11:21:05,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 11:21:05,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 11:21:05,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 11:21:05,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:21:05" (1/1) ... [2021-11-17 11:21:05,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fba61bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:21:05, skipping insertion in model container [2021-11-17 11:21:05,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:21:05" (1/1) ... [2021-11-17 11:21:05,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 11:21:05,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 11:21:09,368 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[459471,459484] [2021-11-17 11:21:09,373 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[459640,459653] [2021-11-17 11:21:09,374 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[459807,459820] [2021-11-17 11:21:09,374 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[459975,459988] [2021-11-17 11:21:09,407 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 11:21:09,468 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 11:21:09,801 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[459471,459484] [2021-11-17 11:21:09,801 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[459640,459653] [2021-11-17 11:21:09,802 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[459807,459820] [2021-11-17 11:21:09,802 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-wireless-rtl818x-rtl8180-rtl8180.cil.i[459975,459988] [2021-11-17 11:21:09,811 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 11:21:09,929 INFO L208 MainTranslator]: Completed translation [2021-11-17 11:21:09,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:21:09 WrapperNode [2021-11-17 11:21:09,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 11:21:09,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 11:21:09,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 11:21:09,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 11:21:09,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:21:09" (1/1) ... [2021-11-17 11:21:10,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:21:09" (1/1) ... [2021-11-17 11:21:10,264 INFO L137 Inliner]: procedures = 522, calls = 3749, calls flagged for inlining = 276, calls inlined = 260, statements flattened = 6711 [2021-11-17 11:21:10,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 11:21:10,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 11:21:10,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 11:21:10,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 11:21:10,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:21:09" (1/1) ... [2021-11-17 11:21:10,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:21:09" (1/1) ... [2021-11-17 11:21:10,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:21:09" (1/1) ... [2021-11-17 11:21:10,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:21:09" (1/1) ... [2021-11-17 11:21:10,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:21:09" (1/1) ... [2021-11-17 11:21:10,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:21:09" (1/1) ... [2021-11-17 11:21:10,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:21:09" (1/1) ... [2021-11-17 11:21:10,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 11:21:10,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 11:21:10,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 11:21:10,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 11:21:10,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:21:09" (1/1) ... [2021-11-17 11:21:10,682 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 11:21:10,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 11:21:10,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 11:21:10,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 11:21:10,764 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2021-11-17 11:21:10,765 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2021-11-17 11:21:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2021-11-17 11:21:10,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2021-11-17 11:21:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2021-11-17 11:21:10,765 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2021-11-17 11:21:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2021-11-17 11:21:10,765 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2021-11-17 11:21:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-17 11:21:10,765 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-17 11:21:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 11:21:10,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 11:21:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 11:21:10,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 11:21:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2021-11-17 11:21:10,766 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2021-11-17 11:21:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2021-11-17 11:21:10,766 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2021-11-17 11:21:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 11:21:10,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 11:21:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 11:21:10,767 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 11:21:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-17 11:21:10,767 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-17 11:21:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 11:21:10,767 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 11:21:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2021-11-17 11:21:10,768 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2021-11-17 11:21:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2021-11-17 11:21:10,768 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2021-11-17 11:21:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2021-11-17 11:21:10,768 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2021-11-17 11:21:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 11:21:10,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 11:21:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2021-11-17 11:21:10,768 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2021-11-17 11:21:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2021-11-17 11:21:10,769 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2021-11-17 11:21:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2021-11-17 11:21:10,769 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2021-11-17 11:21:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 11:21:10,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 11:21:10,770 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-17 11:21:10,770 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-17 11:21:10,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2021-11-17 11:21:10,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2021-11-17 11:21:10,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 11:21:10,770 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2021-11-17 11:21:10,771 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2021-11-17 11:21:10,771 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2021-11-17 11:21:10,771 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2021-11-17 11:21:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2021-11-17 11:21:10,772 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2021-11-17 11:21:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 11:21:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2021-11-17 11:21:10,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2021-11-17 11:21:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_conf_erp [2021-11-17 11:21:10,773 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_conf_erp [2021-11-17 11:21:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 11:21:10,774 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 11:21:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 11:21:10,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 11:21:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2021-11-17 11:21:10,774 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2021-11-17 11:21:10,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 11:21:10,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 11:21:10,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 11:21:10,775 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2021-11-17 11:21:10,775 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2021-11-17 11:21:10,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 11:21:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 11:21:10,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 11:21:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2021-11-17 11:21:10,776 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2021-11-17 11:21:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 11:21:10,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 11:21:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-17 11:21:10,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-17 11:21:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-17 11:21:10,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-17 11:21:10,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 11:21:10,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 11:21:10,777 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-11-17 11:21:10,777 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-11-17 11:21:10,777 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2021-11-17 11:21:10,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2021-11-17 11:21:10,778 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2021-11-17 11:21:10,778 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2021-11-17 11:21:10,778 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-17 11:21:10,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-17 11:21:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 11:21:10,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 11:21:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2021-11-17 11:21:10,779 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2021-11-17 11:21:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2021-11-17 11:21:10,779 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2021-11-17 11:21:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2021-11-17 11:21:10,779 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2021-11-17 11:21:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 11:21:10,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 11:21:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-11-17 11:21:10,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-11-17 11:21:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 11:21:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-17 11:21:10,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-17 11:21:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-17 11:21:10,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-17 11:21:10,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 11:21:10,781 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-17 11:21:10,781 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-17 11:21:10,781 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-11-17 11:21:10,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-11-17 11:21:10,782 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2021-11-17 11:21:10,783 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2021-11-17 11:21:10,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 11:21:10,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 11:21:10,784 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 11:21:10,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 11:21:10,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 11:21:10,784 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 11:21:10,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 11:21:10,785 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 11:21:10,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 11:21:10,790 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2021-11-17 11:21:10,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2021-11-17 11:21:10,790 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2021-11-17 11:21:10,790 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2021-11-17 11:21:10,790 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2021-11-17 11:21:10,790 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2021-11-17 11:21:10,790 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 11:21:10,790 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 11:21:10,790 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2021-11-17 11:21:10,790 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2021-11-17 11:21:10,791 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2021-11-17 11:21:10,791 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2021-11-17 11:21:10,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rtl8180_priv [2021-11-17 11:21:10,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rtl8180_priv [2021-11-17 11:21:10,791 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2021-11-17 11:21:10,791 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2021-11-17 11:21:10,791 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2021-11-17 11:21:10,791 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2021-11-17 11:21:10,791 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-11-17 11:21:10,791 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-11-17 11:21:10,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 11:21:10,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 11:21:10,792 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-17 11:21:10,792 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-17 11:21:10,792 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2021-11-17 11:21:10,792 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2021-11-17 11:21:10,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 11:21:10,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 11:21:10,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 11:21:10,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 11:21:10,793 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2021-11-17 11:21:10,793 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2021-11-17 11:21:10,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 11:21:10,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 11:21:10,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2021-11-17 11:21:10,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2021-11-17 11:21:10,793 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2021-11-17 11:21:10,793 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2021-11-17 11:21:10,794 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2021-11-17 11:21:10,794 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2021-11-17 11:21:10,794 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2021-11-17 11:21:10,794 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2021-11-17 11:21:10,794 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-17 11:21:10,794 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-17 11:21:10,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-17 11:21:10,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-17 11:21:10,794 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-17 11:21:10,794 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-17 11:21:10,795 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2021-11-17 11:21:10,795 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2021-11-17 11:21:10,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 11:21:10,795 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 11:21:10,795 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-17 11:21:10,795 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-17 11:21:10,795 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2021-11-17 11:21:10,795 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2021-11-17 11:21:10,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 11:21:10,795 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2021-11-17 11:21:10,796 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2021-11-17 11:21:10,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 11:21:10,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 11:21:10,797 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-17 11:21:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-17 11:21:10,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 11:21:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 11:21:10,797 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2021-11-17 11:21:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2021-11-17 11:21:10,797 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2021-11-17 11:21:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2021-11-17 11:21:10,797 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2021-11-17 11:21:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2021-11-17 11:21:10,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_61 [2021-11-17 11:21:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_61 [2021-11-17 11:21:10,798 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-17 11:21:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-17 11:21:10,798 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2021-11-17 11:21:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2021-11-17 11:21:10,798 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2021-11-17 11:21:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2021-11-17 11:21:10,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 11:21:10,799 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2021-11-17 11:21:10,799 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2021-11-17 11:21:10,799 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-11-17 11:21:10,799 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-11-17 11:21:10,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 11:21:10,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 11:21:10,799 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2021-11-17 11:21:10,800 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2021-11-17 11:21:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2021-11-17 11:21:10,800 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2021-11-17 11:21:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2021-11-17 11:21:10,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2021-11-17 11:21:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-17 11:21:10,800 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-17 11:21:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-11-17 11:21:10,800 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-11-17 11:21:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 11:21:10,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 11:21:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2021-11-17 11:21:10,801 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2021-11-17 11:21:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-17 11:21:10,801 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-17 11:21:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2021-11-17 11:21:10,801 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2021-11-17 11:21:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2021-11-17 11:21:10,801 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2021-11-17 11:21:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-17 11:21:10,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 11:21:10,802 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-17 11:21:10,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-17 11:21:10,802 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2021-11-17 11:21:10,802 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2021-11-17 11:21:10,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 11:21:10,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 11:21:10,802 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2021-11-17 11:21:10,802 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2021-11-17 11:21:10,803 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2021-11-17 11:21:10,805 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2021-11-17 11:21:10,805 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-11-17 11:21:10,806 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-11-17 11:21:11,800 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 11:21:11,802 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 11:21:11,920 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 11:21:20,777 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-17 11:21:20,872 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 11:21:20,888 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 11:21:20,888 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-17 11:21:20,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:21:20 BoogieIcfgContainer [2021-11-17 11:21:20,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 11:21:20,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 11:21:20,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 11:21:20,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 11:21:20,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 11:21:05" (1/3) ... [2021-11-17 11:21:20,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@684f967d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:21:20, skipping insertion in model container [2021-11-17 11:21:20,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:21:09" (2/3) ... [2021-11-17 11:21:20,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@684f967d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:21:20, skipping insertion in model container [2021-11-17 11:21:20,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:21:20" (3/3) ... [2021-11-17 11:21:20,899 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2021-11-17 11:21:20,902 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 11:21:20,903 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-17 11:21:20,945 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 11:21:20,950 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 11:21:20,950 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-17 11:21:21,005 INFO L276 IsEmpty]: Start isEmpty. Operand has 3088 states, 1764 states have (on average 1.251700680272109) internal successors, (2208), 1802 states have internal predecessors, (2208), 1209 states have call successors, (1209), 113 states have call predecessors, (1209), 112 states have return successors, (1201), 1184 states have call predecessors, (1201), 1201 states have call successors, (1201) [2021-11-17 11:21:21,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2021-11-17 11:21:21,023 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:21:21,024 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:21:21,025 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:21:21,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:21:21,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1728052139, now seen corresponding path program 1 times [2021-11-17 11:21:21,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:21:21,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503965573] [2021-11-17 11:21:21,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:21:21,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:21:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:21,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:21:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:21,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:21,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:21:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:21,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:21,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:21:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:21,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:21,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:21:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:21,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:21,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:21:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:21,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:21,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:21:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:21,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:21,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:21:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:21:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:21:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:21:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:21:22,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:21:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:21:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:21:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:21:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:21:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:21:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:21:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:21:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:21:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:21:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:21:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:21:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:21:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:21:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:21:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:21:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:21:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:21:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:21:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:21:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:21:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:21:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:21:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:21:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:21:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:21:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 11:21:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:22,836 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5778 trivial. 0 not checked. [2021-11-17 11:21:22,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:21:22,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503965573] [2021-11-17 11:21:22,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503965573] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:21:22,837 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:21:22,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 11:21:22,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445316646] [2021-11-17 11:21:22,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:21:22,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 11:21:22,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:21:22,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 11:21:22,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 11:21:22,876 INFO L87 Difference]: Start difference. First operand has 3088 states, 1764 states have (on average 1.251700680272109) internal successors, (2208), 1802 states have internal predecessors, (2208), 1209 states have call successors, (1209), 113 states have call predecessors, (1209), 112 states have return successors, (1201), 1184 states have call predecessors, (1201), 1201 states have call successors, (1201) Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-11-17 11:21:24,130 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:21:26,168 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:21:34,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:21:34,384 INFO L93 Difference]: Finished difference Result 9518 states and 14416 transitions. [2021-11-17 11:21:34,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 11:21:34,386 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 424 [2021-11-17 11:21:34,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:21:34,454 INFO L225 Difference]: With dead ends: 9518 [2021-11-17 11:21:34,454 INFO L226 Difference]: Without dead ends: 6493 [2021-11-17 11:21:34,482 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:21:34,485 INFO L933 BasicCegarLoop]: 4177 mSDtfsCounter, 5067 mSDsluCounter, 4012 mSDsCounter, 0 mSdLazyCounter, 4383 mSolverCounterSat, 5109 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6261 SdHoareTripleChecker+Valid, 8189 SdHoareTripleChecker+Invalid, 9493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5109 IncrementalHoareTripleChecker+Valid, 4383 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2021-11-17 11:21:34,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6261 Valid, 8189 Invalid, 9493 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5109 Valid, 4383 Invalid, 1 Unknown, 0 Unchecked, 10.9s Time] [2021-11-17 11:21:34,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6493 states. [2021-11-17 11:21:34,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6493 to 5987. [2021-11-17 11:21:34,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5987 states, 3430 states have (on average 1.2486880466472303) internal successors, (4283), 3501 states have internal predecessors, (4283), 2334 states have call successors, (2334), 221 states have call predecessors, (2334), 220 states have return successors, (2330), 2296 states have call predecessors, (2330), 2330 states have call successors, (2330) [2021-11-17 11:21:34,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5987 states to 5987 states and 8947 transitions. [2021-11-17 11:21:34,923 INFO L78 Accepts]: Start accepts. Automaton has 5987 states and 8947 transitions. Word has length 424 [2021-11-17 11:21:34,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:21:34,925 INFO L470 AbstractCegarLoop]: Abstraction has 5987 states and 8947 transitions. [2021-11-17 11:21:34,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-11-17 11:21:34,925 INFO L276 IsEmpty]: Start isEmpty. Operand 5987 states and 8947 transitions. [2021-11-17 11:21:34,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2021-11-17 11:21:34,931 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:21:34,931 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:21:34,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 11:21:34,932 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:21:34,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:21:34,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1453840431, now seen corresponding path program 1 times [2021-11-17 11:21:34,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:21:34,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428092239] [2021-11-17 11:21:34,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:21:34,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:21:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:21:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:21:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:21:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:21:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:21:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:21:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:21:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:21:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:21:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:21:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:21:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:21:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:21:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:21:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:21:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:21:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:21:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:21:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:21:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:21:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:21:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:21:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:21:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:21:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:21:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:21:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:21:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:21:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:21:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:21:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:21:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:21:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:21:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:21:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:21:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:21:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:21:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-11-17 11:21:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:35,754 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5778 trivial. 0 not checked. [2021-11-17 11:21:35,754 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:21:35,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428092239] [2021-11-17 11:21:35,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428092239] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:21:35,755 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:21:35,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 11:21:35,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712095447] [2021-11-17 11:21:35,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:21:35,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 11:21:35,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:21:35,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 11:21:35,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 11:21:35,758 INFO L87 Difference]: Start difference. First operand 5987 states and 8947 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-11-17 11:21:37,804 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:21:39,852 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:21:47,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:21:47,746 INFO L93 Difference]: Finished difference Result 18475 states and 27791 transitions. [2021-11-17 11:21:47,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 11:21:47,747 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 425 [2021-11-17 11:21:47,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:21:47,891 INFO L225 Difference]: With dead ends: 18475 [2021-11-17 11:21:47,892 INFO L226 Difference]: Without dead ends: 12565 [2021-11-17 11:21:47,922 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:21:47,923 INFO L933 BasicCegarLoop]: 4202 mSDtfsCounter, 4862 mSDsluCounter, 4026 mSDsCounter, 0 mSdLazyCounter, 4359 mSolverCounterSat, 5110 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6029 SdHoareTripleChecker+Valid, 8228 SdHoareTripleChecker+Invalid, 9471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5110 IncrementalHoareTripleChecker+Valid, 4359 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2021-11-17 11:21:47,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6029 Valid, 8228 Invalid, 9471 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5110 Valid, 4359 Invalid, 2 Unknown, 0 Unchecked, 11.3s Time] [2021-11-17 11:21:47,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12565 states. [2021-11-17 11:21:48,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12565 to 11558. [2021-11-17 11:21:48,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11558 states, 6579 states have (on average 1.2479100167198662) internal successors, (8210), 6715 states have internal predecessors, (8210), 4543 states have call successors, (4543), 436 states have call predecessors, (4543), 433 states have return successors, (4585), 4462 states have call predecessors, (4585), 4539 states have call successors, (4585) [2021-11-17 11:21:48,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11558 states to 11558 states and 17338 transitions. [2021-11-17 11:21:48,559 INFO L78 Accepts]: Start accepts. Automaton has 11558 states and 17338 transitions. Word has length 425 [2021-11-17 11:21:48,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:21:48,561 INFO L470 AbstractCegarLoop]: Abstraction has 11558 states and 17338 transitions. [2021-11-17 11:21:48,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-11-17 11:21:48,562 INFO L276 IsEmpty]: Start isEmpty. Operand 11558 states and 17338 transitions. [2021-11-17 11:21:48,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2021-11-17 11:21:48,578 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:21:48,579 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 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] [2021-11-17 11:21:48,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 11:21:48,579 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:21:48,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:21:48,580 INFO L85 PathProgramCache]: Analyzing trace with hash -556195055, now seen corresponding path program 1 times [2021-11-17 11:21:48,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:21:48,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940432881] [2021-11-17 11:21:48,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:21:48,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:21:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:48,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:21:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:48,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:48,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:21:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:48,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:48,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:21:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:48,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:48,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:21:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:48,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:48,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:21:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:48,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:48,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:21:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:48,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:48,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:21:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:48,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:48,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:21:48,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:48,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:48,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:21:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:48,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:48,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:21:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:48,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:48,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:21:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:48,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:21:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:21:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:21:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:21:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:21:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:21:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:21:49,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:21:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:21:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:21:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:21:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:21:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:21:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:21:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:21:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:21:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:21:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:21:49,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:21:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:21:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:21:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:21:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:21:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:21:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:21:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:21:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-11-17 11:21:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 11:21:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 11:21:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-17 11:21:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 11:21:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 11:21:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-11-17 11:21:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:49,425 INFO L134 CoverageAnalysis]: Checked inductivity of 6154 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6144 trivial. 0 not checked. [2021-11-17 11:21:49,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:21:49,425 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940432881] [2021-11-17 11:21:49,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940432881] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:21:49,426 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:21:49,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 11:21:49,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705876349] [2021-11-17 11:21:49,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:21:49,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 11:21:49,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:21:49,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 11:21:49,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 11:21:49,428 INFO L87 Difference]: Start difference. First operand 11558 states and 17338 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-17 11:21:57,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:21:57,675 INFO L93 Difference]: Finished difference Result 24526 states and 36930 transitions. [2021-11-17 11:21:57,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 11:21:57,676 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 480 [2021-11-17 11:21:57,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:21:57,912 INFO L225 Difference]: With dead ends: 24526 [2021-11-17 11:21:57,912 INFO L226 Difference]: Without dead ends: 18696 [2021-11-17 11:21:57,958 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 [2021-11-17 11:21:57,962 INFO L933 BasicCegarLoop]: 7375 mSDtfsCounter, 3854 mSDsluCounter, 5094 mSDsCounter, 0 mSdLazyCounter, 4402 mSolverCounterSat, 3879 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5042 SdHoareTripleChecker+Valid, 12469 SdHoareTripleChecker+Invalid, 8281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3879 IncrementalHoareTripleChecker+Valid, 4402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2021-11-17 11:21:57,963 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5042 Valid, 12469 Invalid, 8281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3879 Valid, 4402 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2021-11-17 11:21:57,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18696 states. [2021-11-17 11:21:58,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18696 to 17231. [2021-11-17 11:21:58,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17231 states, 9808 states have (on average 1.2483686786296901) internal successors, (12244), 10008 states have internal predecessors, (12244), 6772 states have call successors, (6772), 652 states have call predecessors, (6772), 648 states have return successors, (6837), 6654 states have call predecessors, (6837), 6768 states have call successors, (6837) [2021-11-17 11:21:58,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17231 states to 17231 states and 25853 transitions. [2021-11-17 11:21:58,961 INFO L78 Accepts]: Start accepts. Automaton has 17231 states and 25853 transitions. Word has length 480 [2021-11-17 11:21:58,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:21:58,962 INFO L470 AbstractCegarLoop]: Abstraction has 17231 states and 25853 transitions. [2021-11-17 11:21:58,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-17 11:21:58,962 INFO L276 IsEmpty]: Start isEmpty. Operand 17231 states and 25853 transitions. [2021-11-17 11:21:58,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2021-11-17 11:21:58,976 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:21:58,977 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 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] [2021-11-17 11:21:58,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 11:21:58,977 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:21:58,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:21:58,978 INFO L85 PathProgramCache]: Analyzing trace with hash -415646445, now seen corresponding path program 1 times [2021-11-17 11:21:58,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:21:58,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524400908] [2021-11-17 11:21:58,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:21:58,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:21:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:21:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:21:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:21:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:21:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:21:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:21:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:21:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:21:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:21:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:21:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:21:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:21:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:21:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:21:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:21:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:21:59,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:21:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:21:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:21:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:21:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:21:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:21:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:21:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:21:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:21:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:21:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:21:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:21:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:21:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:59,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:21:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:00,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:00,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:22:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:00,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:00,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:22:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:00,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:00,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:22:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:00,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:00,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:22:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:00,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:00,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:22:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:00,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:00,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:22:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:00,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:00,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:22:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:00,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-11-17 11:22:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:00,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 11:22:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:00,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 11:22:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:00,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-17 11:22:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:00,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:00,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 11:22:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:00,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 11:22:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:00,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-11-17 11:22:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:00,276 INFO L134 CoverageAnalysis]: Checked inductivity of 6154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6154 trivial. 0 not checked. [2021-11-17 11:22:00,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:22:00,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524400908] [2021-11-17 11:22:00,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524400908] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:22:00,277 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:22:00,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 11:22:00,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957743781] [2021-11-17 11:22:00,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:22:00,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 11:22:00,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:22:00,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 11:22:00,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 11:22:00,280 INFO L87 Difference]: Start difference. First operand 17231 states and 25853 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-11-17 11:22:02,329 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:22:10,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:22:10,185 INFO L93 Difference]: Finished difference Result 18698 states and 28195 transitions. [2021-11-17 11:22:10,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 11:22:10,186 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 480 [2021-11-17 11:22:10,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:22:10,280 INFO L225 Difference]: With dead ends: 18698 [2021-11-17 11:22:10,281 INFO L226 Difference]: Without dead ends: 18696 [2021-11-17 11:22:10,293 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 11:22:10,293 INFO L933 BasicCegarLoop]: 3794 mSDtfsCounter, 3951 mSDsluCounter, 6875 mSDsCounter, 0 mSdLazyCounter, 4974 mSolverCounterSat, 3902 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4276 SdHoareTripleChecker+Valid, 10669 SdHoareTripleChecker+Invalid, 8877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3902 IncrementalHoareTripleChecker+Valid, 4974 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-11-17 11:22:10,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4276 Valid, 10669 Invalid, 8877 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3902 Valid, 4974 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2021-11-17 11:22:10,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18696 states. [2021-11-17 11:22:11,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18696 to 17235. [2021-11-17 11:22:11,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17235 states, 9811 states have (on average 1.2482927326470288) internal successors, (12247), 10011 states have internal predecessors, (12247), 6772 states have call successors, (6772), 653 states have call predecessors, (6772), 649 states have return successors, (6837), 6654 states have call predecessors, (6837), 6768 states have call successors, (6837) [2021-11-17 11:22:11,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17235 states to 17235 states and 25856 transitions. [2021-11-17 11:22:11,273 INFO L78 Accepts]: Start accepts. Automaton has 17235 states and 25856 transitions. Word has length 480 [2021-11-17 11:22:11,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:22:11,274 INFO L470 AbstractCegarLoop]: Abstraction has 17235 states and 25856 transitions. [2021-11-17 11:22:11,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-11-17 11:22:11,275 INFO L276 IsEmpty]: Start isEmpty. Operand 17235 states and 25856 transitions. [2021-11-17 11:22:11,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2021-11-17 11:22:11,288 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:22:11,288 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 2, 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] [2021-11-17 11:22:11,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 11:22:11,289 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:22:11,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:22:11,289 INFO L85 PathProgramCache]: Analyzing trace with hash -907031553, now seen corresponding path program 1 times [2021-11-17 11:22:11,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:22:11,289 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005478317] [2021-11-17 11:22:11,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:22:11,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:22:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:22:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:22:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:22:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:22:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:22:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:22:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:22:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:22:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:22:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:22:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:22:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:22:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:22:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:22:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:22:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:22:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:22:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:22:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:22:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:22:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:22:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:22:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:22:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:22:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:22:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:22:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:22:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:22:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:22:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:22:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:22:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:11,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:22:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:12,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:12,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:22:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:12,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:12,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:22:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:12,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:12,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:22:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:12,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:12,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:22:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:12,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:12,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:22:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:12,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-11-17 11:22:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:12,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 11:22:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:12,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 11:22:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:12,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-17 11:22:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:12,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:12,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 11:22:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:12,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 11:22:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:12,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-11-17 11:22:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:12,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-11-17 11:22:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:12,154 INFO L134 CoverageAnalysis]: Checked inductivity of 6156 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6154 trivial. 0 not checked. [2021-11-17 11:22:12,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:22:12,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005478317] [2021-11-17 11:22:12,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005478317] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:22:12,154 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:22:12,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 11:22:12,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761631248] [2021-11-17 11:22:12,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:22:12,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 11:22:12,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:22:12,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 11:22:12,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 11:22:12,156 INFO L87 Difference]: Start difference. First operand 17235 states and 25856 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, (48), 4 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-17 11:22:14,222 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:22:18,980 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 11:22:23,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:22:23,133 INFO L93 Difference]: Finished difference Result 18702 states and 28198 transitions. [2021-11-17 11:22:23,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 11:22:23,133 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, (48), 4 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 485 [2021-11-17 11:22:23,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:22:23,228 INFO L225 Difference]: With dead ends: 18702 [2021-11-17 11:22:23,228 INFO L226 Difference]: Without dead ends: 18700 [2021-11-17 11:22:23,239 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 11:22:23,240 INFO L933 BasicCegarLoop]: 3797 mSDtfsCounter, 3943 mSDsluCounter, 6875 mSDsCounter, 0 mSdLazyCounter, 4973 mSolverCounterSat, 3901 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4268 SdHoareTripleChecker+Valid, 10672 SdHoareTripleChecker+Invalid, 8876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3901 IncrementalHoareTripleChecker+Valid, 4973 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2021-11-17 11:22:23,240 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4268 Valid, 10672 Invalid, 8876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3901 Valid, 4973 Invalid, 2 Unknown, 0 Unchecked, 10.2s Time] [2021-11-17 11:22:23,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18700 states. [2021-11-17 11:22:24,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18700 to 17239. [2021-11-17 11:22:24,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17239 states, 9814 states have (on average 1.2482168330955778) internal successors, (12250), 10014 states have internal predecessors, (12250), 6772 states have call successors, (6772), 654 states have call predecessors, (6772), 650 states have return successors, (6837), 6654 states have call predecessors, (6837), 6768 states have call successors, (6837) [2021-11-17 11:22:24,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17239 states to 17239 states and 25859 transitions. [2021-11-17 11:22:24,379 INFO L78 Accepts]: Start accepts. Automaton has 17239 states and 25859 transitions. Word has length 485 [2021-11-17 11:22:24,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:22:24,379 INFO L470 AbstractCegarLoop]: Abstraction has 17239 states and 25859 transitions. [2021-11-17 11:22:24,380 INFO L471 AbstractCegarLoop]: INTERPOLANT 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, (48), 4 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-17 11:22:24,380 INFO L276 IsEmpty]: Start isEmpty. Operand 17239 states and 25859 transitions. [2021-11-17 11:22:24,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2021-11-17 11:22:24,391 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:22:24,391 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 3, 2, 2, 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] [2021-11-17 11:22:24,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 11:22:24,392 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)] === [2021-11-17 11:22:24,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:22:24,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1616426925, now seen corresponding path program 1 times [2021-11-17 11:22:24,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:22:24,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467223108] [2021-11-17 11:22:24,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:22:24,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:22:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:24,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:22:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:24,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:24,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:22:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:24,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:24,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:22:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:24,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:24,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:22:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:24,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:24,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:22:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:24,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:24,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:22:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:24,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:24,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:22:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:24,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:24,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:22:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:24,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:24,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:22:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:24,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:24,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:22:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:24,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:24,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:22:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:24,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:24,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:22:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:24,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:24,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:22:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:24,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:24,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:22:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:22:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:22:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:22:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:22:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:22:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:22:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:22:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:22:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:22:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:22:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:22:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:22:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:22:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:22:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:22:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:22:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:22:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:22:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:22:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:22:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:22:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:22:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:22:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-11-17 11:22:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 11:22:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 11:22:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-17 11:22:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 11:22:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 11:22:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-11-17 11:22:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-11-17 11:22:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 11:22:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:25,615 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6158 trivial. 0 not checked. [2021-11-17 11:22:25,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:22:25,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467223108] [2021-11-17 11:22:25,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467223108] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:22:25,616 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:22:25,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 11:22:25,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604033550] [2021-11-17 11:22:25,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:22:25,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 11:22:25,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:22:25,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 11:22:25,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 11:22:25,618 INFO L87 Difference]: Start difference. First operand 17239 states and 25859 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, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-11-17 11:22:26,657 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:22:34,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:22:34,111 INFO L93 Difference]: Finished difference Result 18706 states and 28201 transitions. [2021-11-17 11:22:34,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 11:22:34,111 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, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 490 [2021-11-17 11:22:34,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:22:34,207 INFO L225 Difference]: With dead ends: 18706 [2021-11-17 11:22:34,208 INFO L226 Difference]: Without dead ends: 18704 [2021-11-17 11:22:34,226 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 11:22:34,226 INFO L933 BasicCegarLoop]: 3796 mSDtfsCounter, 3944 mSDsluCounter, 6873 mSDsCounter, 0 mSdLazyCounter, 4975 mSolverCounterSat, 3900 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4269 SdHoareTripleChecker+Valid, 10669 SdHoareTripleChecker+Invalid, 8875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3900 IncrementalHoareTripleChecker+Valid, 4975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-11-17 11:22:34,227 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4269 Valid, 10669 Invalid, 8875 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3900 Valid, 4975 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2021-11-17 11:22:34,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18704 states. [2021-11-17 11:22:34,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18704 to 17243. [2021-11-17 11:22:34,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17243 states, 9817 states have (on average 1.2481409799327696) internal successors, (12253), 10017 states have internal predecessors, (12253), 6772 states have call successors, (6772), 655 states have call predecessors, (6772), 651 states have return successors, (6837), 6654 states have call predecessors, (6837), 6768 states have call successors, (6837) [2021-11-17 11:22:35,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17243 states to 17243 states and 25862 transitions. [2021-11-17 11:22:35,077 INFO L78 Accepts]: Start accepts. Automaton has 17243 states and 25862 transitions. Word has length 490 [2021-11-17 11:22:35,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:22:35,078 INFO L470 AbstractCegarLoop]: Abstraction has 17243 states and 25862 transitions. [2021-11-17 11:22:35,078 INFO L471 AbstractCegarLoop]: INTERPOLANT 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, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-11-17 11:22:35,079 INFO L276 IsEmpty]: Start isEmpty. Operand 17243 states and 25862 transitions. [2021-11-17 11:22:35,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2021-11-17 11:22:35,091 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:22:35,091 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 5, 5, 5, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:22:35,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 11:22:35,092 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:22:35,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:22:35,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1299052293, now seen corresponding path program 1 times [2021-11-17 11:22:35,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:22:35,092 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834170601] [2021-11-17 11:22:35,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:22:35,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:22:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:22:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:22:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:22:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:22:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:22:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:22:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:22:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:22:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:22:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:22:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:22:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:22:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:22:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:22:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:22:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:22:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:22:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:22:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:22:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:22:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:22:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:22:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:22:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:22:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:22:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:22:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:22:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:22:35,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:22:35,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:22:35,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:22:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:22:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:22:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:22:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:22:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:22:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:22:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-11-17 11:22:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 11:22:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 11:22:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-17 11:22:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 11:22:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 11:22:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-11-17 11:22:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-11-17 11:22:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 11:22:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-11-17 11:22:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2021-11-17 11:22:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-11-17 11:22:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:35,842 INFO L134 CoverageAnalysis]: Checked inductivity of 6183 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6172 trivial. 0 not checked. [2021-11-17 11:22:35,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:22:35,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834170601] [2021-11-17 11:22:35,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834170601] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:22:35,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:22:35,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 11:22:35,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849499369] [2021-11-17 11:22:35,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:22:35,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 11:22:35,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:22:35,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 11:22:35,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:22:35,844 INFO L87 Difference]: Start difference. First operand 17243 states and 25862 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (53), 4 states have call predecessors, (53), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-11-17 11:22:37,888 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:22:39,959 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:22:54,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:22:54,146 INFO L93 Difference]: Finished difference Result 36415 states and 54786 transitions. [2021-11-17 11:22:54,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 11:22:54,146 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (53), 4 states have call predecessors, (53), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 506 [2021-11-17 11:22:54,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:22:54,304 INFO L225 Difference]: With dead ends: 36415 [2021-11-17 11:22:54,304 INFO L226 Difference]: Without dead ends: 24900 [2021-11-17 11:22:54,364 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 11:22:54,365 INFO L933 BasicCegarLoop]: 7166 mSDtfsCounter, 5119 mSDsluCounter, 5930 mSDsCounter, 0 mSdLazyCounter, 6152 mSolverCounterSat, 8214 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5478 SdHoareTripleChecker+Valid, 13096 SdHoareTripleChecker+Invalid, 14368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8214 IncrementalHoareTripleChecker+Valid, 6152 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2021-11-17 11:22:54,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5478 Valid, 13096 Invalid, 14368 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8214 Valid, 6152 Invalid, 2 Unknown, 0 Unchecked, 16.8s Time] [2021-11-17 11:22:54,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24900 states. [2021-11-17 11:22:55,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24900 to 22918. [2021-11-17 11:22:55,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22918 states, 13048 states have (on average 1.2483905579399142) internal successors, (16289), 13312 states have internal predecessors, (16289), 9001 states have call successors, (9001), 871 states have call predecessors, (9001), 866 states have return successors, (9089), 8846 states have call predecessors, (9089), 8997 states have call successors, (9089) [2021-11-17 11:22:55,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22918 states to 22918 states and 34379 transitions. [2021-11-17 11:22:55,738 INFO L78 Accepts]: Start accepts. Automaton has 22918 states and 34379 transitions. Word has length 506 [2021-11-17 11:22:55,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:22:55,739 INFO L470 AbstractCegarLoop]: Abstraction has 22918 states and 34379 transitions. [2021-11-17 11:22:55,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (53), 4 states have call predecessors, (53), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-11-17 11:22:55,740 INFO L276 IsEmpty]: Start isEmpty. Operand 22918 states and 34379 transitions. [2021-11-17 11:22:55,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2021-11-17 11:22:55,753 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:22:55,754 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 4, 3, 3, 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] [2021-11-17 11:22:55,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 11:22:55,754 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:22:55,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:22:55,755 INFO L85 PathProgramCache]: Analyzing trace with hash -323913665, now seen corresponding path program 1 times [2021-11-17 11:22:55,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:22:55,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561920271] [2021-11-17 11:22:55,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:22:55,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:22:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:22:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:22:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:22:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:22:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:22:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:22:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:22:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:22:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:22:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:22:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:22:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:22:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:22:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:22:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:22:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:22:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:22:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:22:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:22:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:22:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:22:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:22:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:22:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:22:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:22:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:22:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:22:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:22:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:22:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:22:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:22:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:22:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:22:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:22:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:22:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:22:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:22:56,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-11-17 11:22:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 11:22:56,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 11:22:56,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-17 11:22:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 11:22:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 11:22:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-11-17 11:22:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-11-17 11:22:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 11:22:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-11-17 11:22:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:56,742 INFO L134 CoverageAnalysis]: Checked inductivity of 6172 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6166 trivial. 0 not checked. [2021-11-17 11:22:56,742 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:22:56,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561920271] [2021-11-17 11:22:56,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561920271] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:22:56,743 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:22:56,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 11:22:56,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522013836] [2021-11-17 11:22:56,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:22:56,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 11:22:56,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:22:56,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 11:22:56,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 11:22:56,744 INFO L87 Difference]: Start difference. First operand 22918 states and 34379 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) [2021-11-17 11:22:58,788 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:23:07,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:23:07,224 INFO L93 Difference]: Finished difference Result 24872 states and 37488 transitions. [2021-11-17 11:23:07,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 11:23:07,225 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 495 [2021-11-17 11:23:07,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:23:07,374 INFO L225 Difference]: With dead ends: 24872 [2021-11-17 11:23:07,375 INFO L226 Difference]: Without dead ends: 24870 [2021-11-17 11:23:07,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 11:23:07,404 INFO L933 BasicCegarLoop]: 3796 mSDtfsCounter, 3944 mSDsluCounter, 6873 mSDsCounter, 0 mSdLazyCounter, 4974 mSolverCounterSat, 3899 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4269 SdHoareTripleChecker+Valid, 10669 SdHoareTripleChecker+Invalid, 8874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3899 IncrementalHoareTripleChecker+Valid, 4974 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2021-11-17 11:23:07,404 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4269 Valid, 10669 Invalid, 8874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3899 Valid, 4974 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2021-11-17 11:23:07,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24870 states. [2021-11-17 11:23:08,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24870 to 22922. [2021-11-17 11:23:08,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22922 states, 13051 states have (on average 1.2483334610374683) internal successors, (16292), 13315 states have internal predecessors, (16292), 9001 states have call successors, (9001), 872 states have call predecessors, (9001), 867 states have return successors, (9089), 8846 states have call predecessors, (9089), 8997 states have call successors, (9089) [2021-11-17 11:23:08,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22922 states to 22922 states and 34382 transitions. [2021-11-17 11:23:08,802 INFO L78 Accepts]: Start accepts. Automaton has 22922 states and 34382 transitions. Word has length 495 [2021-11-17 11:23:08,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:23:08,802 INFO L470 AbstractCegarLoop]: Abstraction has 22922 states and 34382 transitions. [2021-11-17 11:23:08,803 INFO L471 AbstractCegarLoop]: INTERPOLANT 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) [2021-11-17 11:23:08,803 INFO L276 IsEmpty]: Start isEmpty. Operand 22922 states and 34382 transitions. [2021-11-17 11:23:08,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2021-11-17 11:23:08,816 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:23:08,817 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 5, 4, 4, 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] [2021-11-17 11:23:08,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 11:23:08,817 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:23:08,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:23:08,818 INFO L85 PathProgramCache]: Analyzing trace with hash -58625133, now seen corresponding path program 1 times [2021-11-17 11:23:08,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:23:08,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164108555] [2021-11-17 11:23:08,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:23:08,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:23:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:23:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:23:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:23:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:23:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:23:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:23:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:23:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:23:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:23:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:23:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:23:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:23:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:23:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:23:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:23:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:23:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:23:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:23:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:23:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:23:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:23:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:23:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:23:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:23:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:23:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:23:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:23:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:23:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:23:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:23:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:23:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:23:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:23:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:23:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:23:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:23:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:23:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-11-17 11:23:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 11:23:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 11:23:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-17 11:23:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 11:23:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 11:23:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-11-17 11:23:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-11-17 11:23:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 11:23:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-11-17 11:23:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-11-17 11:23:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:09,893 INFO L134 CoverageAnalysis]: Checked inductivity of 6186 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6178 trivial. 0 not checked. [2021-11-17 11:23:09,894 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:23:09,894 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164108555] [2021-11-17 11:23:09,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164108555] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:23:09,894 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:23:09,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 11:23:09,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488159366] [2021-11-17 11:23:09,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:23:09,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 11:23:09,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:23:09,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 11:23:09,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 11:23:09,896 INFO L87 Difference]: Start difference. First operand 22922 states and 34382 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, (51), 4 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-11-17 11:23:11,945 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:23:20,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:23:20,318 INFO L93 Difference]: Finished difference Result 24876 states and 37491 transitions. [2021-11-17 11:23:20,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 11:23:20,318 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, (51), 4 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 500 [2021-11-17 11:23:20,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:23:20,441 INFO L225 Difference]: With dead ends: 24876 [2021-11-17 11:23:20,442 INFO L226 Difference]: Without dead ends: 24874 [2021-11-17 11:23:20,455 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 11:23:20,456 INFO L933 BasicCegarLoop]: 3797 mSDtfsCounter, 3943 mSDsluCounter, 6875 mSDsCounter, 0 mSdLazyCounter, 4974 mSolverCounterSat, 3898 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4268 SdHoareTripleChecker+Valid, 10672 SdHoareTripleChecker+Invalid, 8873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3898 IncrementalHoareTripleChecker+Valid, 4974 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2021-11-17 11:23:20,456 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4268 Valid, 10672 Invalid, 8873 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3898 Valid, 4974 Invalid, 1 Unknown, 0 Unchecked, 9.1s Time] [2021-11-17 11:23:20,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24874 states. [2021-11-17 11:23:21,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24874 to 22926. [2021-11-17 11:23:21,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22926 states, 13054 states have (on average 1.248276390378428) internal successors, (16295), 13318 states have internal predecessors, (16295), 9001 states have call successors, (9001), 873 states have call predecessors, (9001), 868 states have return successors, (9089), 8846 states have call predecessors, (9089), 8997 states have call successors, (9089) [2021-11-17 11:23:21,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22926 states to 22926 states and 34385 transitions. [2021-11-17 11:23:21,679 INFO L78 Accepts]: Start accepts. Automaton has 22926 states and 34385 transitions. Word has length 500 [2021-11-17 11:23:21,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:23:21,679 INFO L470 AbstractCegarLoop]: Abstraction has 22926 states and 34385 transitions. [2021-11-17 11:23:21,679 INFO L471 AbstractCegarLoop]: INTERPOLANT 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, (51), 4 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-11-17 11:23:21,680 INFO L276 IsEmpty]: Start isEmpty. Operand 22926 states and 34385 transitions. [2021-11-17 11:23:21,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2021-11-17 11:23:21,693 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:23:21,693 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 6, 5, 5, 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] [2021-11-17 11:23:21,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 11:23:21,693 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:23:21,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:23:21,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1441432703, now seen corresponding path program 1 times [2021-11-17 11:23:21,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:23:21,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275319552] [2021-11-17 11:23:21,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:23:21,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:23:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:21,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:23:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:21,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:21,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:23:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:21,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:21,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:23:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:21,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:21,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:23:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:21,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:21,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:23:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:21,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:21,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:23:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:21,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:21,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:23:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:21,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:21,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:23:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:21,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:21,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:23:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:21,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:21,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:23:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:21,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:21,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:21,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:23:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:23:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:23:22,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:23:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:23:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:23:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:23:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:22,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:23:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:23:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:23:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:23:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:23:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:23:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:23:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:23:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:23:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:23:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:22,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:23:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:23:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:23:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:23:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:23:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:23:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:23:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:23:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:23:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:23:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-11-17 11:23:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 11:23:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 11:23:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-17 11:23:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 11:23:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 11:23:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-11-17 11:23:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-11-17 11:23:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 11:23:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-11-17 11:23:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-11-17 11:23:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-11-17 11:23:22,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:22,367 INFO L134 CoverageAnalysis]: Checked inductivity of 6204 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6194 trivial. 0 not checked. [2021-11-17 11:23:22,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:23:22,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275319552] [2021-11-17 11:23:22,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275319552] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:23:22,368 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:23:22,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 11:23:22,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420399282] [2021-11-17 11:23:22,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:23:22,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 11:23:22,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:23:22,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 11:23:22,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 11:23:22,369 INFO L87 Difference]: Start difference. First operand 22926 states and 34385 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, (52), 4 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-17 11:23:23,526 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:23:31,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:23:31,793 INFO L93 Difference]: Finished difference Result 24880 states and 37494 transitions. [2021-11-17 11:23:31,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 11:23:31,793 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, (52), 4 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 505 [2021-11-17 11:23:31,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:23:31,914 INFO L225 Difference]: With dead ends: 24880 [2021-11-17 11:23:31,914 INFO L226 Difference]: Without dead ends: 24878 [2021-11-17 11:23:31,929 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 11:23:31,931 INFO L933 BasicCegarLoop]: 3797 mSDtfsCounter, 3944 mSDsluCounter, 6876 mSDsCounter, 0 mSdLazyCounter, 4975 mSolverCounterSat, 3897 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4268 SdHoareTripleChecker+Valid, 10673 SdHoareTripleChecker+Invalid, 8872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3897 IncrementalHoareTripleChecker+Valid, 4975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2021-11-17 11:23:31,931 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4268 Valid, 10673 Invalid, 8872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3897 Valid, 4975 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2021-11-17 11:23:31,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24878 states. [2021-11-17 11:23:33,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24878 to 22930. [2021-11-17 11:23:33,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22930 states, 13057 states have (on average 1.248219345944704) internal successors, (16298), 13321 states have internal predecessors, (16298), 9001 states have call successors, (9001), 874 states have call predecessors, (9001), 869 states have return successors, (9089), 8846 states have call predecessors, (9089), 8997 states have call successors, (9089) [2021-11-17 11:23:33,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22930 states to 22930 states and 34388 transitions. [2021-11-17 11:23:33,423 INFO L78 Accepts]: Start accepts. Automaton has 22930 states and 34388 transitions. Word has length 505 [2021-11-17 11:23:33,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:23:33,423 INFO L470 AbstractCegarLoop]: Abstraction has 22930 states and 34388 transitions. [2021-11-17 11:23:33,424 INFO L471 AbstractCegarLoop]: INTERPOLANT 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, (52), 4 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-17 11:23:33,424 INFO L276 IsEmpty]: Start isEmpty. Operand 22930 states and 34388 transitions. [2021-11-17 11:23:33,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2021-11-17 11:23:33,438 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:23:33,438 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 7, 6, 6, 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, 1, 1] [2021-11-17 11:23:33,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 11:23:33,439 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:23:33,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:23:33,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1451245267, now seen corresponding path program 1 times [2021-11-17 11:23:33,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:23:33,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327547597] [2021-11-17 11:23:33,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:23:33,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:23:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:23:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:23:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:23:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:23:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:23:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:23:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:23:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:23:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:23:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:23:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:23:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:23:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:23:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:23:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:23:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:23:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:23:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:23:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:23:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:23:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:23:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:23:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:23:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:23:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:23:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:23:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:23:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:23:33,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:23:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:23:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:23:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:23:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:33,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:23:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:34,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:34,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:23:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:34,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:34,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:23:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:34,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:34,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:23:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:34,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:34,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:23:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:34,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-11-17 11:23:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:34,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 11:23:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:34,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 11:23:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:34,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-17 11:23:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:34,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:34,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 11:23:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:34,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 11:23:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:34,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-11-17 11:23:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:34,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-11-17 11:23:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:34,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 11:23:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:34,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-11-17 11:23:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:34,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-11-17 11:23:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:34,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-11-17 11:23:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:34,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2021-11-17 11:23:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:34,145 INFO L134 CoverageAnalysis]: Checked inductivity of 6226 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6214 trivial. 0 not checked. [2021-11-17 11:23:34,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:23:34,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327547597] [2021-11-17 11:23:34,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327547597] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:23:34,145 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:23:34,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 11:23:34,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152842399] [2021-11-17 11:23:34,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:23:34,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 11:23:34,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:23:34,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 11:23:34,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 11:23:34,147 INFO L87 Difference]: Start difference. First operand 22930 states and 34388 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, (53), 4 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2021-11-17 11:23:36,190 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:23:44,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:23:44,205 INFO L93 Difference]: Finished difference Result 25544 states and 38197 transitions. [2021-11-17 11:23:44,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 11:23:44,205 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, (53), 4 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 510 [2021-11-17 11:23:44,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:23:44,341 INFO L225 Difference]: With dead ends: 25544 [2021-11-17 11:23:44,341 INFO L226 Difference]: Without dead ends: 25542 [2021-11-17 11:23:44,369 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 11:23:44,370 INFO L933 BasicCegarLoop]: 3802 mSDtfsCounter, 3893 mSDsluCounter, 7046 mSDsCounter, 0 mSdLazyCounter, 5226 mSolverCounterSat, 3896 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4206 SdHoareTripleChecker+Valid, 10848 SdHoareTripleChecker+Invalid, 9123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3896 IncrementalHoareTripleChecker+Valid, 5226 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2021-11-17 11:23:44,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4206 Valid, 10848 Invalid, 9123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3896 Valid, 5226 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2021-11-17 11:23:44,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25542 states. [2021-11-17 11:23:45,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25542 to 23550. [2021-11-17 11:23:45,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23550 states, 13508 states have (on average 1.2449659461060112) internal successors, (16817), 13772 states have internal predecessors, (16817), 9065 states have call successors, (9065), 979 states have call predecessors, (9065), 974 states have return successors, (9153), 8910 states have call predecessors, (9153), 9061 states have call successors, (9153) [2021-11-17 11:23:46,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23550 states to 23550 states and 35035 transitions. [2021-11-17 11:23:46,025 INFO L78 Accepts]: Start accepts. Automaton has 23550 states and 35035 transitions. Word has length 510 [2021-11-17 11:23:46,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:23:46,025 INFO L470 AbstractCegarLoop]: Abstraction has 23550 states and 35035 transitions. [2021-11-17 11:23:46,025 INFO L471 AbstractCegarLoop]: INTERPOLANT 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, (53), 4 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2021-11-17 11:23:46,025 INFO L276 IsEmpty]: Start isEmpty. Operand 23550 states and 35035 transitions. [2021-11-17 11:23:46,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2021-11-17 11:23:46,038 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:23:46,039 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 8, 7, 7, 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, 1, 1, 1, 1] [2021-11-17 11:23:46,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-17 11:23:46,039 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:23:46,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:23:46,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1608708287, now seen corresponding path program 1 times [2021-11-17 11:23:46,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:23:46,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63459323] [2021-11-17 11:23:46,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:23:46,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:23:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:23:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:23:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:23:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:23:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:23:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:23:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:23:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:23:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:23:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:23:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:23:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:23:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:23:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:23:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:23:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:23:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:23:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:23:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:23:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:23:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:23:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:23:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:23:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:23:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:23:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:23:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:23:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:23:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:23:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:23:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:23:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:23:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:23:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:23:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:23:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:23:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:23:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-11-17 11:23:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 11:23:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 11:23:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-17 11:23:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 11:23:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 11:23:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-11-17 11:23:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-11-17 11:23:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 11:23:46,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-11-17 11:23:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-11-17 11:23:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-11-17 11:23:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2021-11-17 11:23:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-11-17 11:23:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:46,983 INFO L134 CoverageAnalysis]: Checked inductivity of 6252 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6238 trivial. 0 not checked. [2021-11-17 11:23:46,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:23:46,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63459323] [2021-11-17 11:23:46,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63459323] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:23:46,984 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:23:46,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 11:23:46,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459847530] [2021-11-17 11:23:46,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:23:46,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 11:23:46,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:23:46,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 11:23:46,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 11:23:46,986 INFO L87 Difference]: Start difference. First operand 23550 states and 35035 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, (54), 4 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-17 11:23:49,040 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:23:57,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:23:57,909 INFO L93 Difference]: Finished difference Result 25548 states and 38200 transitions. [2021-11-17 11:23:57,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 11:23:57,909 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, (54), 4 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 515 [2021-11-17 11:23:57,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:23:58,059 INFO L225 Difference]: With dead ends: 25548 [2021-11-17 11:23:58,059 INFO L226 Difference]: Without dead ends: 25546 [2021-11-17 11:23:58,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 11:23:58,078 INFO L933 BasicCegarLoop]: 3797 mSDtfsCounter, 3943 mSDsluCounter, 6875 mSDsCounter, 0 mSdLazyCounter, 4974 mSolverCounterSat, 3895 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4268 SdHoareTripleChecker+Valid, 10672 SdHoareTripleChecker+Invalid, 8870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3895 IncrementalHoareTripleChecker+Valid, 4974 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2021-11-17 11:23:58,078 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4268 Valid, 10672 Invalid, 8870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3895 Valid, 4974 Invalid, 1 Unknown, 0 Unchecked, 9.4s Time] [2021-11-17 11:23:58,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25546 states. [2021-11-17 11:23:59,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25546 to 23554. [2021-11-17 11:23:59,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23554 states, 13511 states have (on average 1.24491155354896) internal successors, (16820), 13775 states have internal predecessors, (16820), 9065 states have call successors, (9065), 980 states have call predecessors, (9065), 975 states have return successors, (9153), 8910 states have call predecessors, (9153), 9061 states have call successors, (9153) [2021-11-17 11:23:59,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23554 states to 23554 states and 35038 transitions. [2021-11-17 11:23:59,586 INFO L78 Accepts]: Start accepts. Automaton has 23554 states and 35038 transitions. Word has length 515 [2021-11-17 11:23:59,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:23:59,587 INFO L470 AbstractCegarLoop]: Abstraction has 23554 states and 35038 transitions. [2021-11-17 11:23:59,587 INFO L471 AbstractCegarLoop]: INTERPOLANT 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, (54), 4 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-17 11:23:59,587 INFO L276 IsEmpty]: Start isEmpty. Operand 23554 states and 35038 transitions. [2021-11-17 11:23:59,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2021-11-17 11:23:59,601 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:23:59,601 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 9, 8, 8, 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, 1, 1, 1, 1, 1, 1] [2021-11-17 11:23:59,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-17 11:23:59,602 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:23:59,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:23:59,602 INFO L85 PathProgramCache]: Analyzing trace with hash -2141476333, now seen corresponding path program 1 times [2021-11-17 11:23:59,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:23:59,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328147795] [2021-11-17 11:23:59,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:23:59,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:23:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:59,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:23:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:59,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:59,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:23:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:59,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:59,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:23:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:59,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:59,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:23:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:59,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:59,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:23:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:59,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:59,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:23:59,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:59,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:59,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:23:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:59,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:59,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:23:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:59,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:59,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:23:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:59,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:59,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:23:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:59,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:59,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:23:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:59,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:59,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:23:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:59,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:59,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:23:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:59,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:59,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:24:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:24:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:24:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:24:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:24:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:24:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:24:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:24:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:24:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:24:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:24:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:24:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:24:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:24:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:24:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:24:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:24:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:24:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:24:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:24:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:24:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:24:00,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:24:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:24:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-11-17 11:24:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 11:24:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 11:24:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-17 11:24:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 11:24:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 11:24:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-11-17 11:24:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-11-17 11:24:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 11:24:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-11-17 11:24:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-11-17 11:24:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-11-17 11:24:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2021-11-17 11:24:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-11-17 11:24:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-11-17 11:24:00,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:00,472 INFO L134 CoverageAnalysis]: Checked inductivity of 6282 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6266 trivial. 0 not checked. [2021-11-17 11:24:00,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:24:00,472 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328147795] [2021-11-17 11:24:00,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328147795] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:24:00,472 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:24:00,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 11:24:00,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272540337] [2021-11-17 11:24:00,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:24:00,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 11:24:00,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:24:00,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 11:24:00,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 11:24:00,474 INFO L87 Difference]: Start difference. First operand 23554 states and 35038 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, (55), 4 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2021-11-17 11:24:02,519 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:24:12,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:24:12,014 INFO L93 Difference]: Finished difference Result 25552 states and 38203 transitions. [2021-11-17 11:24:12,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 11:24:12,015 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, (55), 4 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 520 [2021-11-17 11:24:12,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:24:12,174 INFO L225 Difference]: With dead ends: 25552 [2021-11-17 11:24:12,174 INFO L226 Difference]: Without dead ends: 25550 [2021-11-17 11:24:12,207 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 11:24:12,210 INFO L933 BasicCegarLoop]: 3795 mSDtfsCounter, 3944 mSDsluCounter, 6870 mSDsCounter, 0 mSdLazyCounter, 4974 mSolverCounterSat, 3894 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4270 SdHoareTripleChecker+Valid, 10665 SdHoareTripleChecker+Invalid, 8869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3894 IncrementalHoareTripleChecker+Valid, 4974 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2021-11-17 11:24:12,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4270 Valid, 10665 Invalid, 8869 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3894 Valid, 4974 Invalid, 1 Unknown, 0 Unchecked, 9.9s Time] [2021-11-17 11:24:12,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25550 states. [2021-11-17 11:24:13,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25550 to 23558. [2021-11-17 11:24:13,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23558 states, 13514 states have (on average 1.2448571851413348) internal successors, (16823), 13778 states have internal predecessors, (16823), 9065 states have call successors, (9065), 981 states have call predecessors, (9065), 976 states have return successors, (9153), 8910 states have call predecessors, (9153), 9061 states have call successors, (9153) [2021-11-17 11:24:13,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23558 states to 23558 states and 35041 transitions. [2021-11-17 11:24:13,939 INFO L78 Accepts]: Start accepts. Automaton has 23558 states and 35041 transitions. Word has length 520 [2021-11-17 11:24:13,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:24:13,939 INFO L470 AbstractCegarLoop]: Abstraction has 23558 states and 35041 transitions. [2021-11-17 11:24:13,940 INFO L471 AbstractCegarLoop]: INTERPOLANT 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, (55), 4 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2021-11-17 11:24:13,940 INFO L276 IsEmpty]: Start isEmpty. Operand 23558 states and 35041 transitions. [2021-11-17 11:24:13,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2021-11-17 11:24:13,958 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:24:13,959 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 10, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:24:13,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-17 11:24:13,959 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:24:13,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:24:13,959 INFO L85 PathProgramCache]: Analyzing trace with hash 719502591, now seen corresponding path program 1 times [2021-11-17 11:24:13,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:24:13,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043975846] [2021-11-17 11:24:13,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:24:13,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:24:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:24:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:24:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:24:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:24:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:24:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:24:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:24:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:24:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:24:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:24:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:24:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:24:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:24:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:24:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:24:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:24:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:24:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:24:14,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:24:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:24:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:24:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:24:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:24:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:24:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:24:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:24:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:24:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:24:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:24:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:24:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:24:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:24:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:24:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:24:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:24:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:24:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:24:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-11-17 11:24:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 11:24:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 11:24:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-17 11:24:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 11:24:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 11:24:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-11-17 11:24:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-11-17 11:24:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 11:24:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-11-17 11:24:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-11-17 11:24:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-11-17 11:24:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2021-11-17 11:24:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-11-17 11:24:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-11-17 11:24:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-11-17 11:24:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,864 INFO L134 CoverageAnalysis]: Checked inductivity of 6316 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 6298 trivial. 0 not checked. [2021-11-17 11:24:14,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:24:14,864 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043975846] [2021-11-17 11:24:14,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043975846] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:24:14,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:24:14,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 11:24:14,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247590950] [2021-11-17 11:24:14,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:24:14,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 11:24:14,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:24:14,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 11:24:14,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 11:24:14,866 INFO L87 Difference]: Start difference. First operand 23558 states and 35041 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, (56), 4 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-17 11:24:15,900 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:24:23,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:24:23,439 INFO L93 Difference]: Finished difference Result 25556 states and 38206 transitions. [2021-11-17 11:24:23,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 11:24:23,440 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, (56), 4 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 525 [2021-11-17 11:24:23,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:24:23,553 INFO L225 Difference]: With dead ends: 25556 [2021-11-17 11:24:23,553 INFO L226 Difference]: Without dead ends: 25554 [2021-11-17 11:24:23,568 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 11:24:23,572 INFO L933 BasicCegarLoop]: 3795 mSDtfsCounter, 3944 mSDsluCounter, 6870 mSDsCounter, 0 mSdLazyCounter, 4975 mSolverCounterSat, 3893 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4270 SdHoareTripleChecker+Valid, 10665 SdHoareTripleChecker+Invalid, 8868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3893 IncrementalHoareTripleChecker+Valid, 4975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2021-11-17 11:24:23,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4270 Valid, 10665 Invalid, 8868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3893 Valid, 4975 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2021-11-17 11:24:23,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25554 states. [2021-11-17 11:24:25,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25554 to 23562. [2021-11-17 11:24:25,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23562 states, 13517 states have (on average 1.2448028408670564) internal successors, (16826), 13781 states have internal predecessors, (16826), 9065 states have call successors, (9065), 982 states have call predecessors, (9065), 977 states have return successors, (9153), 8910 states have call predecessors, (9153), 9061 states have call successors, (9153) [2021-11-17 11:24:25,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23562 states to 23562 states and 35044 transitions. [2021-11-17 11:24:25,200 INFO L78 Accepts]: Start accepts. Automaton has 23562 states and 35044 transitions. Word has length 525 [2021-11-17 11:24:25,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:24:25,200 INFO L470 AbstractCegarLoop]: Abstraction has 23562 states and 35044 transitions. [2021-11-17 11:24:25,201 INFO L471 AbstractCegarLoop]: INTERPOLANT 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, (56), 4 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-17 11:24:25,201 INFO L276 IsEmpty]: Start isEmpty. Operand 23562 states and 35044 transitions. [2021-11-17 11:24:25,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2021-11-17 11:24:25,238 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:24:25,251 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 11, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:24:25,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-17 11:24:25,252 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:24:25,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:24:25,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1187755347, now seen corresponding path program 1 times [2021-11-17 11:24:25,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:24:25,260 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606110744] [2021-11-17 11:24:25,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:24:25,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:24:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:24:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:24:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:24:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:24:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:24:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:24:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:24:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:24:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:24:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:24:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:24:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:24:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:24:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:24:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:24:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:24:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:24:25,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:24:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:24:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:24:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:24:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:24:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:24:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:24:25,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:24:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:24:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:24:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:24:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:24:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:24:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:24:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:24:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:24:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:24:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:24:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:24:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:24:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-11-17 11:24:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 11:24:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 11:24:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-17 11:24:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 11:24:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 11:24:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-11-17 11:24:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-11-17 11:24:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 11:24:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-11-17 11:24:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-11-17 11:24:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-11-17 11:24:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2021-11-17 11:24:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-11-17 11:24:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-11-17 11:24:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-11-17 11:24:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-11-17 11:24:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:25,991 INFO L134 CoverageAnalysis]: Checked inductivity of 6354 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 6334 trivial. 0 not checked. [2021-11-17 11:24:25,991 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:24:25,991 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606110744] [2021-11-17 11:24:25,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606110744] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:24:25,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:24:25,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 11:24:25,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861964699] [2021-11-17 11:24:25,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:24:25,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 11:24:25,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:24:25,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 11:24:25,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 11:24:25,993 INFO L87 Difference]: Start difference. First operand 23562 states and 35044 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, (57), 4 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2021-11-17 11:24:28,038 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:24:35,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:24:35,913 INFO L93 Difference]: Finished difference Result 25560 states and 38209 transitions. [2021-11-17 11:24:35,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 11:24:35,914 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, (57), 4 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 530 [2021-11-17 11:24:35,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:24:36,194 INFO L225 Difference]: With dead ends: 25560 [2021-11-17 11:24:36,194 INFO L226 Difference]: Without dead ends: 25556 [2021-11-17 11:24:36,211 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 11:24:36,212 INFO L933 BasicCegarLoop]: 3796 mSDtfsCounter, 3944 mSDsluCounter, 6873 mSDsCounter, 0 mSdLazyCounter, 4974 mSolverCounterSat, 3892 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4269 SdHoareTripleChecker+Valid, 10669 SdHoareTripleChecker+Invalid, 8867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3892 IncrementalHoareTripleChecker+Valid, 4974 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-11-17 11:24:36,214 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4269 Valid, 10669 Invalid, 8867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3892 Valid, 4974 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2021-11-17 11:24:36,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25556 states. [2021-11-17 11:24:37,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25556 to 23564. [2021-11-17 11:24:37,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23564 states, 13519 states have (on average 1.2446926547821584) internal successors, (16827), 13782 states have internal predecessors, (16827), 9065 states have call successors, (9065), 983 states have call predecessors, (9065), 977 states have return successors, (9153), 8910 states have call predecessors, (9153), 9061 states have call successors, (9153) [2021-11-17 11:24:37,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23564 states to 23564 states and 35045 transitions. [2021-11-17 11:24:37,880 INFO L78 Accepts]: Start accepts. Automaton has 23564 states and 35045 transitions. Word has length 530 [2021-11-17 11:24:37,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:24:37,881 INFO L470 AbstractCegarLoop]: Abstraction has 23564 states and 35045 transitions. [2021-11-17 11:24:37,881 INFO L471 AbstractCegarLoop]: INTERPOLANT 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, (57), 4 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2021-11-17 11:24:37,881 INFO L276 IsEmpty]: Start isEmpty. Operand 23564 states and 35045 transitions. [2021-11-17 11:24:37,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2021-11-17 11:24:37,915 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:24:37,916 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 12, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:24:37,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-17 11:24:37,916 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:24:37,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:24:37,917 INFO L85 PathProgramCache]: Analyzing trace with hash 489810239, now seen corresponding path program 1 times [2021-11-17 11:24:37,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:24:37,917 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023988235] [2021-11-17 11:24:37,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:24:37,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:24:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:24:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:24:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:24:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:24:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:24:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:24:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:24:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:24:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:24:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:24:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:24:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:24:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:24:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:24:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:24:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:24:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:24:38,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:24:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:24:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:24:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:24:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:24:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:24:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:24:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:24:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:24:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:24:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:24:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:24:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:24:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:24:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:24:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:24:38,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:24:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:24:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:24:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:24:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-11-17 11:24:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 11:24:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 11:24:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-17 11:24:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 11:24:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 11:24:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-11-17 11:24:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-11-17 11:24:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 11:24:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-11-17 11:24:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-11-17 11:24:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-11-17 11:24:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2021-11-17 11:24:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-11-17 11:24:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-11-17 11:24:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-11-17 11:24:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-11-17 11:24:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2021-11-17 11:24:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:38,768 INFO L134 CoverageAnalysis]: Checked inductivity of 6396 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6374 trivial. 0 not checked. [2021-11-17 11:24:38,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:24:38,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023988235] [2021-11-17 11:24:38,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023988235] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:24:38,769 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:24:38,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 11:24:38,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757248965] [2021-11-17 11:24:38,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:24:38,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 11:24:38,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:24:38,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 11:24:38,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 11:24:38,771 INFO L87 Difference]: Start difference. First operand 23564 states and 35045 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, (58), 4 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2021-11-17 11:24:39,842 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:24:48,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:24:48,253 INFO L93 Difference]: Finished difference Result 25556 states and 38205 transitions. [2021-11-17 11:24:48,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 11:24:48,254 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, (58), 4 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 535 [2021-11-17 11:24:48,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:24:48,386 INFO L225 Difference]: With dead ends: 25556 [2021-11-17 11:24:48,386 INFO L226 Difference]: Without dead ends: 25447 [2021-11-17 11:24:48,417 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 11:24:48,419 INFO L933 BasicCegarLoop]: 3793 mSDtfsCounter, 3938 mSDsluCounter, 6873 mSDsCounter, 0 mSdLazyCounter, 4970 mSolverCounterSat, 3891 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4263 SdHoareTripleChecker+Valid, 10666 SdHoareTripleChecker+Invalid, 8861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3891 IncrementalHoareTripleChecker+Valid, 4970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2021-11-17 11:24:48,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4263 Valid, 10666 Invalid, 8861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3891 Valid, 4970 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2021-11-17 11:24:48,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25447 states. [2021-11-17 11:24:50,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25447 to 23455. [2021-11-17 11:24:50,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23455 states, 13451 states have (on average 1.2453349193368524) internal successors, (16751), 13708 states have internal predecessors, (16751), 9038 states have call successors, (9038), 968 states have call predecessors, (9038), 964 states have return successors, (9130), 8890 states have call predecessors, (9130), 9038 states have call successors, (9130) [2021-11-17 11:24:50,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23455 states to 23455 states and 34919 transitions. [2021-11-17 11:24:50,266 INFO L78 Accepts]: Start accepts. Automaton has 23455 states and 34919 transitions. Word has length 535 [2021-11-17 11:24:50,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:24:50,267 INFO L470 AbstractCegarLoop]: Abstraction has 23455 states and 34919 transitions. [2021-11-17 11:24:50,267 INFO L471 AbstractCegarLoop]: INTERPOLANT 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, (58), 4 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2021-11-17 11:24:50,267 INFO L276 IsEmpty]: Start isEmpty. Operand 23455 states and 34919 transitions. [2021-11-17 11:24:50,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2021-11-17 11:24:50,286 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:24:50,286 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:24:50,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-17 11:24:50,287 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:24:50,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:24:50,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1132815420, now seen corresponding path program 1 times [2021-11-17 11:24:50,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:24:50,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645783247] [2021-11-17 11:24:50,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:24:50,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:24:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:24:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:24:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:24:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:24:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:24:50,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:24:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:24:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:24:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:24:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:24:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:24:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:24:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:24:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:24:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:24:50,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:24:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:24:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:24:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:24:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:24:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:24:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:24:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:24:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:24:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:24:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:24:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:24:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:24:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:24:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:24:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:24:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:24:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:24:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:24:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:24:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:24:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:50,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:51,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:24:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:51,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 11:24:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:51,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-17 11:24:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:51,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:24:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:51,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:51,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 11:24:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:51,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 11:24:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:51,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 11:24:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:51,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 11:24:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:51,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-11-17 11:24:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:51,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:51,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:51,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-11-17 11:24:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:51,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:51,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 11:24:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:51,091 INFO L134 CoverageAnalysis]: Checked inductivity of 5818 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5818 trivial. 0 not checked. [2021-11-17 11:24:51,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:24:51,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645783247] [2021-11-17 11:24:51,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645783247] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:24:51,091 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:24:51,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 11:24:51,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296035774] [2021-11-17 11:24:51,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:24:51,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 11:24:51,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:24:51,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 11:24:51,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 11:24:51,093 INFO L87 Difference]: Start difference. First operand 23455 states and 34919 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-11-17 11:24:53,138 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:24:54,835 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:25:06,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:25:06,674 INFO L93 Difference]: Finished difference Result 73491 states and 109967 transitions. [2021-11-17 11:25:06,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 11:25:06,674 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 540 [2021-11-17 11:25:06,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:25:06,905 INFO L225 Difference]: With dead ends: 73491 [2021-11-17 11:25:06,906 INFO L226 Difference]: Without dead ends: 50113 [2021-11-17 11:25:07,008 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 [2021-11-17 11:25:07,008 INFO L933 BasicCegarLoop]: 4118 mSDtfsCounter, 4935 mSDsluCounter, 3951 mSDsCounter, 0 mSdLazyCounter, 4385 mSolverCounterSat, 5067 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6088 SdHoareTripleChecker+Valid, 8069 SdHoareTripleChecker+Invalid, 9453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5067 IncrementalHoareTripleChecker+Valid, 4385 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2021-11-17 11:25:07,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6088 Valid, 8069 Invalid, 9453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5067 Valid, 4385 Invalid, 1 Unknown, 0 Unchecked, 12.6s Time] [2021-11-17 11:25:07,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50113 states. [2021-11-17 11:25:10,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50113 to 47969. [2021-11-17 11:25:10,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47969 states, 27507 states have (on average 1.2380484967462828) internal successors, (34055), 28064 states have internal predecessors, (34055), 18480 states have call successors, (18480), 1936 states have call predecessors, (18480), 1980 states have return successors, (19168), 18216 states have call predecessors, (19168), 18480 states have call successors, (19168) [2021-11-17 11:25:10,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47969 states to 47969 states and 71703 transitions. [2021-11-17 11:25:10,889 INFO L78 Accepts]: Start accepts. Automaton has 47969 states and 71703 transitions. Word has length 540 [2021-11-17 11:25:10,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:25:10,890 INFO L470 AbstractCegarLoop]: Abstraction has 47969 states and 71703 transitions. [2021-11-17 11:25:10,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-11-17 11:25:10,890 INFO L276 IsEmpty]: Start isEmpty. Operand 47969 states and 71703 transitions. [2021-11-17 11:25:10,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2021-11-17 11:25:10,909 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:25:10,910 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:25:10,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-17 11:25:10,910 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:25:10,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:25:10,910 INFO L85 PathProgramCache]: Analyzing trace with hash -2010650105, now seen corresponding path program 1 times [2021-11-17 11:25:10,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:25:10,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603824935] [2021-11-17 11:25:10,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:25:10,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:25:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:25:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:25:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:25:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:25:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:25:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:25:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:25:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:25:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:25:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:25:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:25:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:25:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:25:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:25:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:25:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:25:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:25:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:25:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:25:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:25:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:25:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:25:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:25:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:25:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:25:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:25:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:25:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:25:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:25:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:25:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:25:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:25:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:25:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:25:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:25:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:25:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:25:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-11-17 11:25:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-11-17 11:25:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:25:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 11:25:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 11:25:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 11:25:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 11:25:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-11-17 11:25:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-11-17 11:25:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 11:25:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:11,571 INFO L134 CoverageAnalysis]: Checked inductivity of 5818 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5818 trivial. 0 not checked. [2021-11-17 11:25:11,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:25:11,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603824935] [2021-11-17 11:25:11,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603824935] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:25:11,571 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:25:11,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 11:25:11,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525280680] [2021-11-17 11:25:11,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:25:11,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 11:25:11,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:25:11,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 11:25:11,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 11:25:11,574 INFO L87 Difference]: Start difference. First operand 47969 states and 71703 transitions. Second operand has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-11-17 11:25:28,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:25:28,258 INFO L93 Difference]: Finished difference Result 146401 states and 219551 transitions. [2021-11-17 11:25:28,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 11:25:28,258 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 538 [2021-11-17 11:25:28,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:25:29,075 INFO L225 Difference]: With dead ends: 146401 [2021-11-17 11:25:29,076 INFO L226 Difference]: Without dead ends: 98509 [2021-11-17 11:25:29,346 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 [2021-11-17 11:25:29,347 INFO L933 BasicCegarLoop]: 4123 mSDtfsCounter, 4932 mSDsluCounter, 3952 mSDsCounter, 0 mSdLazyCounter, 4385 mSolverCounterSat, 5068 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6085 SdHoareTripleChecker+Valid, 8075 SdHoareTripleChecker+Invalid, 9453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5068 IncrementalHoareTripleChecker+Valid, 4385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2021-11-17 11:25:29,348 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6085 Valid, 8075 Invalid, 9453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5068 Valid, 4385 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2021-11-17 11:25:29,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98509 states. [2021-11-17 11:25:36,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98509 to 96173. [2021-11-17 11:25:36,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96173 states, 55043 states have (on average 1.2324727939974203) internal successors, (67839), 56200 states have internal predecessors, (67839), 37132 states have call successors, (37132), 3856 states have call predecessors, (37132), 3996 states have return successors, (39168), 36636 states have call predecessors, (39168), 37132 states have call successors, (39168) [2021-11-17 11:25:37,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96173 states to 96173 states and 144139 transitions. [2021-11-17 11:25:37,470 INFO L78 Accepts]: Start accepts. Automaton has 96173 states and 144139 transitions. Word has length 538 [2021-11-17 11:25:37,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:25:37,471 INFO L470 AbstractCegarLoop]: Abstraction has 96173 states and 144139 transitions. [2021-11-17 11:25:37,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-11-17 11:25:37,471 INFO L276 IsEmpty]: Start isEmpty. Operand 96173 states and 144139 transitions. [2021-11-17 11:25:37,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2021-11-17 11:25:37,490 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:25:37,491 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:25:37,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-17 11:25:37,492 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:25:37,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:25:37,492 INFO L85 PathProgramCache]: Analyzing trace with hash -465276648, now seen corresponding path program 1 times [2021-11-17 11:25:37,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:25:37,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569470448] [2021-11-17 11:25:37,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:25:37,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:25:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:37,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:25:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:37,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:37,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:25:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:37,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:37,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:25:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:37,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:37,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:25:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:37,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:37,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:25:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:37,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:37,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:25:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:37,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:37,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:25:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:37,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:37,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:25:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:37,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:37,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:25:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:37,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:37,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:25:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:37,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:37,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:25:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:37,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:37,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:37,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:25:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:37,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:37,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:25:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:37,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:25:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:25:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:25:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:25:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:25:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:25:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:25:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:25:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:25:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:38,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:25:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:25:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:25:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:25:38,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:25:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:25:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:25:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:25:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:25:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:25:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:25:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:25:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:25:38,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:25:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:25:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-11-17 11:25:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-11-17 11:25:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:25:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 11:25:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 11:25:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 11:25:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 11:25:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-11-17 11:25:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-11-17 11:25:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 11:25:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:38,272 INFO L134 CoverageAnalysis]: Checked inductivity of 5818 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5818 trivial. 0 not checked. [2021-11-17 11:25:38,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:25:38,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569470448] [2021-11-17 11:25:38,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569470448] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:25:38,272 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:25:38,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 11:25:38,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967862407] [2021-11-17 11:25:38,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:25:38,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 11:25:38,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:25:38,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 11:25:38,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 11:25:38,274 INFO L87 Difference]: Start difference. First operand 96173 states and 144139 transitions. Second operand has 4 states, 4 states have (on average 33.25) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51)