./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 c3fed411 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 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 14:23:55,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 14:23:55,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 14:23:55,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 14:23:55,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 14:23:55,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 14:23:55,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 14:23:55,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 14:23:55,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 14:23:55,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 14:23:55,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 14:23:55,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 14:23:55,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 14:23:55,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 14:23:55,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 14:23:55,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 14:23:55,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 14:23:55,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 14:23:55,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 14:23:55,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 14:23:55,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 14:23:55,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 14:23:55,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 14:23:55,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 14:23:55,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 14:23:55,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 14:23:55,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 14:23:55,548 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 14:23:55,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 14:23:55,549 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 14:23:55,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 14:23:55,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 14:23:55,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 14:23:55,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 14:23:55,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 14:23:55,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 14:23:55,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 14:23:55,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 14:23:55,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 14:23:55,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 14:23:55,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 14:23:55,556 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 14:23:55,581 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 14:23:55,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 14:23:55,582 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 14:23:55,582 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 14:23:55,583 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 14:23:55,583 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 14:23:55,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 14:23:55,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 14:23:55,584 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 14:23:55,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 14:23:55,584 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 14:23:55,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 14:23:55,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 14:23:55,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 14:23:55,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 14:23:55,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 14:23:55,585 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 14:23:55,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 14:23:55,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 14:23:55,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 14:23:55,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 14:23:55,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 14:23:55,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 14:23:55,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 14:23:55,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 14:23:55,586 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 14:23:55,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 14:23:55,587 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 14:23:55,587 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 14:23:55,587 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 14:23:55,587 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 14:23:55,587 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a5abe7d84ebfba3a3d05a8884a5cfb8bfd1e0698553d38fcfc4a2d2724f4159 [2021-12-18 14:23:55,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 14:23:55,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 14:23:55,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 14:23:55,776 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 14:23:55,777 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 14:23:55,778 INFO L432 ainManager$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 [2021-12-18 14:23:55,853 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43d6fd9b2/d8b931de9fe6434b9c95a08d8baa3f5c/FLAGbdb927a2b [2021-12-18 14:23:56,538 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 14:23:56,539 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 [2021-12-18 14:23:56,590 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43d6fd9b2/d8b931de9fe6434b9c95a08d8baa3f5c/FLAGbdb927a2b [2021-12-18 14:23:56,633 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43d6fd9b2/d8b931de9fe6434b9c95a08d8baa3f5c [2021-12-18 14:23:56,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 14:23:56,637 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 14:23:56,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 14:23:56,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 14:23:56,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 14:23:56,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 02:23:56" (1/1) ... [2021-12-18 14:23:56,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17a0109c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:23:56, skipping insertion in model container [2021-12-18 14:23:56,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 02:23:56" (1/1) ... [2021-12-18 14:23:56,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 14:23:56,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 14:23:59,917 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] [2021-12-18 14:23:59,919 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] [2021-12-18 14:23:59,920 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] [2021-12-18 14:23:59,920 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] [2021-12-18 14:23:59,946 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 14:24:00,005 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 14:24:00,334 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] [2021-12-18 14:24:00,335 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] [2021-12-18 14:24:00,335 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] [2021-12-18 14:24:00,336 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] [2021-12-18 14:24:00,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 14:24:00,516 INFO L208 MainTranslator]: Completed translation [2021-12-18 14:24:00,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:24:00 WrapperNode [2021-12-18 14:24:00,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 14:24:00,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 14:24:00,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 14:24:00,518 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 14:24:00,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:24:00" (1/1) ... [2021-12-18 14:24:00,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:24:00" (1/1) ... [2021-12-18 14:24:00,888 INFO L137 Inliner]: procedures = 522, calls = 3749, calls flagged for inlining = 276, calls inlined = 260, statements flattened = 6740 [2021-12-18 14:24:00,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 14:24:00,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 14:24:00,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 14:24:00,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 14:24:00,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:24:00" (1/1) ... [2021-12-18 14:24:00,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:24:00" (1/1) ... [2021-12-18 14:24:01,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:24:00" (1/1) ... [2021-12-18 14:24:01,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:24:00" (1/1) ... [2021-12-18 14:24:01,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:24:00" (1/1) ... [2021-12-18 14:24:01,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:24:00" (1/1) ... [2021-12-18 14:24:01,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:24:00" (1/1) ... [2021-12-18 14:24:01,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 14:24:01,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 14:24:01,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 14:24:01,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 14:24:01,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:24:00" (1/1) ... [2021-12-18 14:24:01,274 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 14:24:01,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:24:01,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 14:24:01,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 14:24:01,321 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2021-12-18 14:24:01,322 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2021-12-18 14:24:01,322 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2021-12-18 14:24:01,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2021-12-18 14:24:01,322 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2021-12-18 14:24:01,322 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2021-12-18 14:24:01,322 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2021-12-18 14:24:01,322 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2021-12-18 14:24:01,323 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-18 14:24:01,323 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-18 14:24:01,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 14:24:01,323 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 14:24:01,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 14:24:01,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 14:24:01,323 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2021-12-18 14:24:01,323 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2021-12-18 14:24:01,324 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2021-12-18 14:24:01,324 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2021-12-18 14:24:01,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 14:24:01,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 14:24:01,324 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 14:24:01,324 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 14:24:01,324 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-18 14:24:01,324 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-18 14:24:01,324 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 14:24:01,325 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 14:24:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2021-12-18 14:24:01,325 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2021-12-18 14:24:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2021-12-18 14:24:01,325 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2021-12-18 14:24:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2021-12-18 14:24:01,351 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2021-12-18 14:24:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 14:24:01,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 14:24:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2021-12-18 14:24:01,352 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2021-12-18 14:24:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2021-12-18 14:24:01,352 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2021-12-18 14:24:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2021-12-18 14:24:01,352 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2021-12-18 14:24:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 14:24:01,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 14:24:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-18 14:24:01,353 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-18 14:24:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2021-12-18 14:24:01,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2021-12-18 14:24:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 14:24:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2021-12-18 14:24:01,353 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2021-12-18 14:24:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2021-12-18 14:24:01,354 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2021-12-18 14:24:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2021-12-18 14:24:01,354 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2021-12-18 14:24:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 14:24:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2021-12-18 14:24:01,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2021-12-18 14:24:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_conf_erp [2021-12-18 14:24:01,355 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_conf_erp [2021-12-18 14:24:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 14:24:01,355 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 14:24:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 14:24:01,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 14:24:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2021-12-18 14:24:01,355 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2021-12-18 14:24:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 14:24:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 14:24:01,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 14:24:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2021-12-18 14:24:01,356 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2021-12-18 14:24:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 14:24:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 14:24:01,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 14:24:01,356 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2021-12-18 14:24:01,356 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2021-12-18 14:24:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 14:24:01,357 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 14:24:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 14:24:01,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 14:24:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 14:24:01,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 14:24:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 14:24:01,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 14:24:01,357 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-18 14:24:01,358 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-18 14:24:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2021-12-18 14:24:01,358 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2021-12-18 14:24:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2021-12-18 14:24:01,358 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2021-12-18 14:24:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-18 14:24:01,358 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-18 14:24:01,358 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 14:24:01,358 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 14:24:01,359 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2021-12-18 14:24:01,359 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2021-12-18 14:24:01,359 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2021-12-18 14:24:01,362 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2021-12-18 14:24:01,362 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2021-12-18 14:24:01,362 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2021-12-18 14:24:01,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 14:24:01,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 14:24:01,363 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-18 14:24:01,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-18 14:24:01,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 14:24:01,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-18 14:24:01,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-18 14:24:01,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-18 14:24:01,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-18 14:24:01,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 14:24:01,364 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-18 14:24:01,364 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-18 14:24:01,364 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-12-18 14:24:01,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-12-18 14:24:01,365 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2021-12-18 14:24:01,367 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2021-12-18 14:24:01,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 14:24:01,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 14:24:01,368 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 14:24:01,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 14:24:01,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 14:24:01,368 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 14:24:01,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 14:24:01,369 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 14:24:01,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 14:24:01,373 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2021-12-18 14:24:01,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2021-12-18 14:24:01,373 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2021-12-18 14:24:01,373 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2021-12-18 14:24:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2021-12-18 14:24:01,374 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2021-12-18 14:24:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 14:24:01,374 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 14:24:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2021-12-18 14:24:01,374 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2021-12-18 14:24:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2021-12-18 14:24:01,374 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2021-12-18 14:24:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rtl8180_priv [2021-12-18 14:24:01,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rtl8180_priv [2021-12-18 14:24:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2021-12-18 14:24:01,375 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2021-12-18 14:24:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2021-12-18 14:24:01,375 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2021-12-18 14:24:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-12-18 14:24:01,375 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-12-18 14:24:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 14:24:01,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 14:24:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-18 14:24:01,376 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-18 14:24:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2021-12-18 14:24:01,376 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2021-12-18 14:24:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 14:24:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 14:24:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 14:24:01,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 14:24:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2021-12-18 14:24:01,376 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2021-12-18 14:24:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 14:24:01,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 14:24:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2021-12-18 14:24:01,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2021-12-18 14:24:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2021-12-18 14:24:01,377 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2021-12-18 14:24:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2021-12-18 14:24:01,377 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2021-12-18 14:24:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2021-12-18 14:24:01,377 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2021-12-18 14:24:01,378 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-18 14:24:01,378 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-18 14:24:01,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 14:24:01,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 14:24:01,378 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-18 14:24:01,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-18 14:24:01,378 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2021-12-18 14:24:01,378 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2021-12-18 14:24:01,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 14:24:01,379 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 14:24:01,379 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-18 14:24:01,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-18 14:24:01,379 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2021-12-18 14:24:01,379 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2021-12-18 14:24:01,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 14:24:01,379 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2021-12-18 14:24:01,380 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2021-12-18 14:24:01,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 14:24:01,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 14:24:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-18 14:24:01,381 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-18 14:24:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 14:24:01,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 14:24:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2021-12-18 14:24:01,381 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2021-12-18 14:24:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2021-12-18 14:24:01,381 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2021-12-18 14:24:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2021-12-18 14:24:01,382 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2021-12-18 14:24:01,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_61 [2021-12-18 14:24:01,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_61 [2021-12-18 14:24:01,382 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-18 14:24:01,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-18 14:24:01,382 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2021-12-18 14:24:01,382 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2021-12-18 14:24:01,382 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2021-12-18 14:24:01,382 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2021-12-18 14:24:01,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 14:24:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2021-12-18 14:24:01,383 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2021-12-18 14:24:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-18 14:24:01,383 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-18 14:24:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 14:24:01,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 14:24:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2021-12-18 14:24:01,383 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2021-12-18 14:24:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2021-12-18 14:24:01,383 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2021-12-18 14:24:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2021-12-18 14:24:01,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2021-12-18 14:24:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-18 14:24:01,384 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-18 14:24:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-18 14:24:01,384 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-18 14:24:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 14:24:01,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 14:24:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2021-12-18 14:24:01,384 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2021-12-18 14:24:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-18 14:24:01,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-18 14:24:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2021-12-18 14:24:01,385 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2021-12-18 14:24:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2021-12-18 14:24:01,385 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2021-12-18 14:24:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-12-18 14:24:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 14:24:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-18 14:24:01,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-18 14:24:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2021-12-18 14:24:01,386 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2021-12-18 14:24:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 14:24:01,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 14:24:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2021-12-18 14:24:01,386 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2021-12-18 14:24:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2021-12-18 14:24:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2021-12-18 14:24:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-18 14:24:01,390 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-18 14:24:02,265 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 14:24:02,267 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 14:24:02,380 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 14:24:09,382 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 14:24:09,470 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 14:24:09,491 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 14:24:09,492 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 14:24:09,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:24:09 BoogieIcfgContainer [2021-12-18 14:24:09,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 14:24:09,499 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 14:24:09,499 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 14:24:09,502 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 14:24:09,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 02:23:56" (1/3) ... [2021-12-18 14:24:09,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2475da0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:24:09, skipping insertion in model container [2021-12-18 14:24:09,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:24:00" (2/3) ... [2021-12-18 14:24:09,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2475da0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:24:09, skipping insertion in model container [2021-12-18 14:24:09,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:24:09" (3/3) ... [2021-12-18 14:24:09,504 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2021-12-18 14:24:09,510 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 14:24:09,510 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-18 14:24:09,561 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 14:24:09,569 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 14:24:09,569 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-18 14:24:09,639 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) [2021-12-18 14:24:09,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2021-12-18 14:24:09,664 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:24:09,665 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] [2021-12-18 14:24:09,666 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:24:09,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:24:09,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1728052139, now seen corresponding path program 1 times [2021-12-18 14:24:09,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:24:09,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604842044] [2021-12-18 14:24:09,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:24:09,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:24:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:24:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:24:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:24:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:24:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:24:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:24:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:24:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:24:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:24:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:24:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:24:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:24:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:24:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:24:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:24:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:24:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:24:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:24:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:24:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:10,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:24:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:24:10,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:24:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:24:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:24:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:24:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:10,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:24:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:11,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:11,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:24:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:11,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:11,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:24:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:11,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:11,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:24:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:11,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:11,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:24:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:11,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:11,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:24:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:11,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:11,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 14:24:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:11,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:11,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 14:24:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:11,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:11,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 14:24:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:11,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:11,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 14:24:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:11,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:11,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 14:24:11,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:11,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:11,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-18 14:24:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:11,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 14:24:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:11,293 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5778 trivial. 0 not checked. [2021-12-18 14:24:11,294 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:24:11,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604842044] [2021-12-18 14:24:11,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604842044] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:24:11,295 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:24:11,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:24:11,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532413570] [2021-12-18 14:24:11,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:24:11,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:24:11,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:24:11,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:24:11,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:24:11,331 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) [2021-12-18 14:24:20,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:24:20,591 INFO L93 Difference]: Finished difference Result 9518 states and 14416 transitions. [2021-12-18 14:24:20,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:24:20,602 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 [2021-12-18 14:24:20,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:24:20,672 INFO L225 Difference]: With dead ends: 9518 [2021-12-18 14:24:20,672 INFO L226 Difference]: Without dead ends: 6493 [2021-12-18 14:24:20,701 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 [2021-12-18 14:24:20,704 INFO L933 BasicCegarLoop]: 4175 mSDtfsCounter, 5067 mSDsluCounter, 4010 mSDsCounter, 0 mSdLazyCounter, 4384 mSolverCounterSat, 5109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6263 SdHoareTripleChecker+Valid, 8185 SdHoareTripleChecker+Invalid, 9493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5109 IncrementalHoareTripleChecker+Valid, 4384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2021-12-18 14:24:20,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6263 Valid, 8185 Invalid, 9493 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5109 Valid, 4384 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2021-12-18 14:24:20,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6493 states. [2021-12-18 14:24:21,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6493 to 5987. [2021-12-18 14:24:21,140 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) [2021-12-18 14:24:21,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5987 states to 5987 states and 8947 transitions. [2021-12-18 14:24:21,196 INFO L78 Accepts]: Start accepts. Automaton has 5987 states and 8947 transitions. Word has length 424 [2021-12-18 14:24:21,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:24:21,200 INFO L470 AbstractCegarLoop]: Abstraction has 5987 states and 8947 transitions. [2021-12-18 14:24:21,200 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) [2021-12-18 14:24:21,200 INFO L276 IsEmpty]: Start isEmpty. Operand 5987 states and 8947 transitions. [2021-12-18 14:24:21,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2021-12-18 14:24:21,209 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:24:21,210 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] [2021-12-18 14:24:21,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 14:24:21,210 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:24:21,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:24:21,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1453840431, now seen corresponding path program 1 times [2021-12-18 14:24:21,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:24:21,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860209128] [2021-12-18 14:24:21,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:24:21,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:24:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:24:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:24:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:24:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:24:21,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:24:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:24:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:24:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:24:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:24:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:24:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:24:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:24:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:24:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:24:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:24:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:24:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:24:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:24:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:24:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:24:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:24:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:24:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:24:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:24:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:24:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:24:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:24:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:24:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:21,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:24:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:22,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:22,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:24:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:22,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:22,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:24:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:22,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:22,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 14:24:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:22,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:22,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 14:24:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:22,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:22,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 14:24:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:22,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:22,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 14:24:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:22,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:22,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 14:24:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:22,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:22,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-18 14:24:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:22,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-18 14:24:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:22,215 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5778 trivial. 0 not checked. [2021-12-18 14:24:22,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:24:22,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860209128] [2021-12-18 14:24:22,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860209128] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:24:22,217 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:24:22,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:24:22,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567597007] [2021-12-18 14:24:22,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:24:22,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:24:22,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:24:22,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:24:22,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:24:22,221 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) [2021-12-18 14:24:31,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:24:31,784 INFO L93 Difference]: Finished difference Result 18475 states and 27791 transitions. [2021-12-18 14:24:31,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:24:31,784 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 [2021-12-18 14:24:31,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:24:31,894 INFO L225 Difference]: With dead ends: 18475 [2021-12-18 14:24:31,894 INFO L226 Difference]: Without dead ends: 12565 [2021-12-18 14:24:31,936 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 [2021-12-18 14:24:31,937 INFO L933 BasicCegarLoop]: 4203 mSDtfsCounter, 4862 mSDsluCounter, 4027 mSDsCounter, 0 mSdLazyCounter, 4361 mSolverCounterSat, 5109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6029 SdHoareTripleChecker+Valid, 8230 SdHoareTripleChecker+Invalid, 9470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5109 IncrementalHoareTripleChecker+Valid, 4361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2021-12-18 14:24:31,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6029 Valid, 8230 Invalid, 9470 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5109 Valid, 4361 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2021-12-18 14:24:31,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12565 states. [2021-12-18 14:24:32,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12565 to 11558. [2021-12-18 14:24:32,577 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) [2021-12-18 14:24:32,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11558 states to 11558 states and 17338 transitions. [2021-12-18 14:24:32,647 INFO L78 Accepts]: Start accepts. Automaton has 11558 states and 17338 transitions. Word has length 425 [2021-12-18 14:24:32,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:24:32,649 INFO L470 AbstractCegarLoop]: Abstraction has 11558 states and 17338 transitions. [2021-12-18 14:24:32,649 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) [2021-12-18 14:24:32,651 INFO L276 IsEmpty]: Start isEmpty. Operand 11558 states and 17338 transitions. [2021-12-18 14:24:32,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2021-12-18 14:24:32,666 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:24:32,667 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] [2021-12-18 14:24:32,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 14:24:32,667 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)] === [2021-12-18 14:24:32,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:24:32,668 INFO L85 PathProgramCache]: Analyzing trace with hash -556195055, now seen corresponding path program 1 times [2021-12-18 14:24:32,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:24:32,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912428607] [2021-12-18 14:24:32,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:24:32,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:24:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:32,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:24:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:32,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:32,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:24:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:32,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:24:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:24:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:24:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:24:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:24:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:24:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:24:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:24:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:24:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:24:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:24:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:24:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:24:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:24:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:24:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:24:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:24:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:24:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:24:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:24:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:24:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:24:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:24:33,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:24:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:24:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:24:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:24:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:24:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:24:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 14:24:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 14:24:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 14:24:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 14:24:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 14:24:33,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-18 14:24:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-18 14:24:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-18 14:24:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 14:24:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-18 14:24:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-18 14:24:33,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-18 14:24:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-18 14:24:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:33,774 INFO L134 CoverageAnalysis]: Checked inductivity of 6154 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6144 trivial. 0 not checked. [2021-12-18 14:24:33,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:24:33,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912428607] [2021-12-18 14:24:33,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912428607] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:24:33,775 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:24:33,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:24:33,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130861606] [2021-12-18 14:24:33,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:24:33,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:24:33,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:24:33,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:24:33,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:24:33,778 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) [2021-12-18 14:24:42,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:24:42,507 INFO L93 Difference]: Finished difference Result 24526 states and 36930 transitions. [2021-12-18 14:24:42,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:24:42,508 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 [2021-12-18 14:24:42,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:24:42,732 INFO L225 Difference]: With dead ends: 24526 [2021-12-18 14:24:42,732 INFO L226 Difference]: Without dead ends: 18696 [2021-12-18 14:24:42,780 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:24:42,785 INFO L933 BasicCegarLoop]: 7373 mSDtfsCounter, 3854 mSDsluCounter, 5092 mSDsCounter, 0 mSdLazyCounter, 4402 mSolverCounterSat, 3879 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5044 SdHoareTripleChecker+Valid, 12465 SdHoareTripleChecker+Invalid, 8281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3879 IncrementalHoareTripleChecker+Valid, 4402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2021-12-18 14:24:42,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5044 Valid, 12465 Invalid, 8281 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3879 Valid, 4402 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2021-12-18 14:24:42,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18696 states. [2021-12-18 14:24:43,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18696 to 17231. [2021-12-18 14:24:43,621 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) [2021-12-18 14:24:43,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17231 states to 17231 states and 25853 transitions. [2021-12-18 14:24:43,717 INFO L78 Accepts]: Start accepts. Automaton has 17231 states and 25853 transitions. Word has length 480 [2021-12-18 14:24:43,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:24:43,718 INFO L470 AbstractCegarLoop]: Abstraction has 17231 states and 25853 transitions. [2021-12-18 14:24:43,718 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) [2021-12-18 14:24:43,719 INFO L276 IsEmpty]: Start isEmpty. Operand 17231 states and 25853 transitions. [2021-12-18 14:24:43,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2021-12-18 14:24:43,731 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:24:43,731 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] [2021-12-18 14:24:43,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 14:24:43,731 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)] === [2021-12-18 14:24:43,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:24:43,732 INFO L85 PathProgramCache]: Analyzing trace with hash -415646445, now seen corresponding path program 1 times [2021-12-18 14:24:43,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:24:43,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237748619] [2021-12-18 14:24:43,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:24:43,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:24:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:24:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:24:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:24:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:24:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:24:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:24:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:24:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:24:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:24:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:24:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:24:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:24:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:24:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:24:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:24:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:24:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:24:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:24:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:24:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:24:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:24:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:24:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:24:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:24:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:24:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:24:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:24:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:24:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:24:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:24:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:24:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 14:24:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 14:24:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 14:24:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 14:24:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 14:24:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-18 14:24:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-18 14:24:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-18 14:24:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 14:24:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-18 14:24:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-18 14:24:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-18 14:24:44,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-18 14:24:44,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:44,944 INFO L134 CoverageAnalysis]: Checked inductivity of 6154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6154 trivial. 0 not checked. [2021-12-18 14:24:44,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:24:44,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237748619] [2021-12-18 14:24:44,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237748619] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:24:44,945 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:24:44,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 14:24:44,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397547319] [2021-12-18 14:24:44,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:24:44,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 14:24:44,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:24:44,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 14:24:44,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 14:24:44,947 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) [2021-12-18 14:24:52,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:24:52,546 INFO L93 Difference]: Finished difference Result 18698 states and 28195 transitions. [2021-12-18 14:24:52,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 14:24:52,551 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 [2021-12-18 14:24:52,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:24:52,651 INFO L225 Difference]: With dead ends: 18698 [2021-12-18 14:24:52,651 INFO L226 Difference]: Without dead ends: 18696 [2021-12-18 14:24:52,662 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 14:24:52,664 INFO L933 BasicCegarLoop]: 3794 mSDtfsCounter, 3951 mSDsluCounter, 6875 mSDsCounter, 0 mSdLazyCounter, 4975 mSolverCounterSat, 3902 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4276 SdHoareTripleChecker+Valid, 10669 SdHoareTripleChecker+Invalid, 8877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3902 IncrementalHoareTripleChecker+Valid, 4975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2021-12-18 14:24:52,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4276 Valid, 10669 Invalid, 8877 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3902 Valid, 4975 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2021-12-18 14:24:52,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18696 states. [2021-12-18 14:24:53,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18696 to 17235. [2021-12-18 14:24:53,634 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) [2021-12-18 14:24:53,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17235 states to 17235 states and 25856 transitions. [2021-12-18 14:24:53,732 INFO L78 Accepts]: Start accepts. Automaton has 17235 states and 25856 transitions. Word has length 480 [2021-12-18 14:24:53,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:24:53,733 INFO L470 AbstractCegarLoop]: Abstraction has 17235 states and 25856 transitions. [2021-12-18 14:24:53,733 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) [2021-12-18 14:24:53,733 INFO L276 IsEmpty]: Start isEmpty. Operand 17235 states and 25856 transitions. [2021-12-18 14:24:53,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2021-12-18 14:24:53,754 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:24:53,755 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] [2021-12-18 14:24:53,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 14:24:53,755 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)] === [2021-12-18 14:24:53,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:24:53,756 INFO L85 PathProgramCache]: Analyzing trace with hash -907031553, now seen corresponding path program 1 times [2021-12-18 14:24:53,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:24:53,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215359277] [2021-12-18 14:24:53,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:24:53,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:24:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:24:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:24:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:24:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:24:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:24:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:24:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:24:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:24:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:24:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:24:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:24:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:24:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:24:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:24:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:24:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:24:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:24:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:24:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:24:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:24:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:24:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:24:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:24:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:24:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:24:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:24:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:24:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:24:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:24:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:24:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:24:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 14:24:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 14:24:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 14:24:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 14:24:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 14:24:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-18 14:24:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-18 14:24:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-18 14:24:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 14:24:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-18 14:24:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:24:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-18 14:24:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-18 14:24:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-18 14:24:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-18 14:24:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:24:54,896 INFO L134 CoverageAnalysis]: Checked inductivity of 6156 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6154 trivial. 0 not checked. [2021-12-18 14:24:54,896 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:24:54,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215359277] [2021-12-18 14:24:54,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215359277] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:24:54,896 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:24:54,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 14:24:54,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58373038] [2021-12-18 14:24:54,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:24:54,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 14:24:54,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:24:54,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 14:24:54,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 14:24:54,898 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) [2021-12-18 14:25:02,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:25:02,214 INFO L93 Difference]: Finished difference Result 18702 states and 28198 transitions. [2021-12-18 14:25:02,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 14:25:02,215 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 [2021-12-18 14:25:02,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:25:02,306 INFO L225 Difference]: With dead ends: 18702 [2021-12-18 14:25:02,307 INFO L226 Difference]: Without dead ends: 18700 [2021-12-18 14:25:02,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 14:25:02,322 INFO L933 BasicCegarLoop]: 3796 mSDtfsCounter, 3943 mSDsluCounter, 6872 mSDsCounter, 0 mSdLazyCounter, 4975 mSolverCounterSat, 3901 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4269 SdHoareTripleChecker+Valid, 10668 SdHoareTripleChecker+Invalid, 8876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3901 IncrementalHoareTripleChecker+Valid, 4975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-12-18 14:25:02,323 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4269 Valid, 10668 Invalid, 8876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3901 Valid, 4975 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2021-12-18 14:25:02,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18700 states. [2021-12-18 14:25:03,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18700 to 17239. [2021-12-18 14:25:03,283 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) [2021-12-18 14:25:03,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17239 states to 17239 states and 25859 transitions. [2021-12-18 14:25:03,367 INFO L78 Accepts]: Start accepts. Automaton has 17239 states and 25859 transitions. Word has length 485 [2021-12-18 14:25:03,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:25:03,368 INFO L470 AbstractCegarLoop]: Abstraction has 17239 states and 25859 transitions. [2021-12-18 14:25:03,368 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) [2021-12-18 14:25:03,368 INFO L276 IsEmpty]: Start isEmpty. Operand 17239 states and 25859 transitions. [2021-12-18 14:25:03,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2021-12-18 14:25:03,380 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:25:03,380 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] [2021-12-18 14:25:03,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 14:25:03,381 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:25:03,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:25:03,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1616426925, now seen corresponding path program 1 times [2021-12-18 14:25:03,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:25:03,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763258308] [2021-12-18 14:25:03,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:25:03,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:25:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:25:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:25:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:25:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:25:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:25:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:25:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:25:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:25:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:25:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:25:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:25:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:25:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:25:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:25:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:25:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:25:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:25:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:25:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:25:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:25:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:25:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:25:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:25:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:03,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:25:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:25:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:25:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:25:04,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:25:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:25:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:25:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:25:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 14:25:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 14:25:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 14:25:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 14:25:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 14:25:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-18 14:25:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-18 14:25:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-18 14:25:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 14:25:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-18 14:25:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-18 14:25:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-18 14:25:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-18 14:25:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-18 14:25:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-12-18 14:25:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:04,365 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6158 trivial. 0 not checked. [2021-12-18 14:25:04,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:25:04,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763258308] [2021-12-18 14:25:04,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763258308] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:25:04,365 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:25:04,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 14:25:04,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069623240] [2021-12-18 14:25:04,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:25:04,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 14:25:04,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:25:04,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 14:25:04,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 14:25:04,367 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) [2021-12-18 14:25:11,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:25:11,117 INFO L93 Difference]: Finished difference Result 18706 states and 28201 transitions. [2021-12-18 14:25:11,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 14:25:11,118 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 [2021-12-18 14:25:11,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:25:11,243 INFO L225 Difference]: With dead ends: 18706 [2021-12-18 14:25:11,244 INFO L226 Difference]: Without dead ends: 18704 [2021-12-18 14:25:11,268 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 14:25:11,270 INFO L933 BasicCegarLoop]: 3796 mSDtfsCounter, 3944 mSDsluCounter, 6873 mSDsCounter, 0 mSdLazyCounter, 4975 mSolverCounterSat, 3900 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4269 SdHoareTripleChecker+Valid, 10669 SdHoareTripleChecker+Invalid, 8875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3900 IncrementalHoareTripleChecker+Valid, 4975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-12-18 14:25:11,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4269 Valid, 10669 Invalid, 8875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3900 Valid, 4975 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2021-12-18 14:25:11,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18704 states. [2021-12-18 14:25:12,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18704 to 17243. [2021-12-18 14:25:12,150 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) [2021-12-18 14:25:12,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17243 states to 17243 states and 25862 transitions. [2021-12-18 14:25:12,240 INFO L78 Accepts]: Start accepts. Automaton has 17243 states and 25862 transitions. Word has length 490 [2021-12-18 14:25:12,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:25:12,240 INFO L470 AbstractCegarLoop]: Abstraction has 17243 states and 25862 transitions. [2021-12-18 14:25:12,241 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) [2021-12-18 14:25:12,241 INFO L276 IsEmpty]: Start isEmpty. Operand 17243 states and 25862 transitions. [2021-12-18 14:25:12,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2021-12-18 14:25:12,254 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:25:12,254 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] [2021-12-18 14:25:12,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 14:25:12,254 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:25:12,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:25:12,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1299052293, now seen corresponding path program 1 times [2021-12-18 14:25:12,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:25:12,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400080469] [2021-12-18 14:25:12,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:25:12,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:25:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:25:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:25:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:25:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:25:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:25:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:25:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:25:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:25:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:25:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:25:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:25:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:25:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:25:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:25:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:25:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:25:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:25:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:25:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:25:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:25:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:25:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:25:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:25:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:25:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:25:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:25:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:25:12,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:25:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:25:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:25:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:25:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 14:25:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 14:25:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:12,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:13,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 14:25:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:13,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:13,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 14:25:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:13,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:13,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 14:25:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:13,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:13,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-18 14:25:13,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:13,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-18 14:25:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:13,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-18 14:25:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:13,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 14:25:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:13,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-18 14:25:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:13,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:13,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-18 14:25:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:13,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-18 14:25:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:13,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-18 14:25:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:13,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-18 14:25:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:13,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 14:25:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:13,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-12-18 14:25:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:13,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2021-12-18 14:25:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:13,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-12-18 14:25:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:13,131 INFO L134 CoverageAnalysis]: Checked inductivity of 6183 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6172 trivial. 0 not checked. [2021-12-18 14:25:13,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:25:13,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400080469] [2021-12-18 14:25:13,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400080469] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:25:13,132 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:25:13,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 14:25:13,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316223938] [2021-12-18 14:25:13,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:25:13,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 14:25:13,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:25:13,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 14:25:13,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:25:13,133 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) [2021-12-18 14:25:27,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:25:27,284 INFO L93 Difference]: Finished difference Result 36415 states and 54786 transitions. [2021-12-18 14:25:27,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 14:25:27,284 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 [2021-12-18 14:25:27,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:25:27,422 INFO L225 Difference]: With dead ends: 36415 [2021-12-18 14:25:27,422 INFO L226 Difference]: Without dead ends: 24900 [2021-12-18 14:25:27,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 14:25:27,488 INFO L933 BasicCegarLoop]: 7165 mSDtfsCounter, 5119 mSDsluCounter, 5929 mSDsCounter, 0 mSdLazyCounter, 6155 mSolverCounterSat, 8212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5479 SdHoareTripleChecker+Valid, 13094 SdHoareTripleChecker+Invalid, 14367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8212 IncrementalHoareTripleChecker+Valid, 6155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2021-12-18 14:25:27,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5479 Valid, 13094 Invalid, 14367 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8212 Valid, 6155 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2021-12-18 14:25:27,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24900 states. [2021-12-18 14:25:28,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24900 to 22918. [2021-12-18 14:25:28,785 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) [2021-12-18 14:25:28,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22918 states to 22918 states and 34379 transitions. [2021-12-18 14:25:28,946 INFO L78 Accepts]: Start accepts. Automaton has 22918 states and 34379 transitions. Word has length 506 [2021-12-18 14:25:28,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:25:28,948 INFO L470 AbstractCegarLoop]: Abstraction has 22918 states and 34379 transitions. [2021-12-18 14:25:28,948 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) [2021-12-18 14:25:28,949 INFO L276 IsEmpty]: Start isEmpty. Operand 22918 states and 34379 transitions. [2021-12-18 14:25:28,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2021-12-18 14:25:28,963 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:25:28,963 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] [2021-12-18 14:25:28,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 14:25:28,964 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)] === [2021-12-18 14:25:28,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:25:28,964 INFO L85 PathProgramCache]: Analyzing trace with hash -323913665, now seen corresponding path program 1 times [2021-12-18 14:25:28,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:25:28,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623412289] [2021-12-18 14:25:28,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:25:28,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:25:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:25:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:25:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:25:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:25:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:25:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:25:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:25:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:25:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:25:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:25:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:25:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:25:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:25:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:25:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:25:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:25:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:25:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:25:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:25:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:25:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:25:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:25:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:25:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:25:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:25:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:25:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:25:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:25:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:25:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:25:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:25:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 14:25:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 14:25:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 14:25:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 14:25:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 14:25:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:29,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:30,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-18 14:25:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:30,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-18 14:25:30,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:30,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-18 14:25:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:30,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 14:25:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:30,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-18 14:25:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:30,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:30,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-18 14:25:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:30,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-18 14:25:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:30,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-18 14:25:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:30,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-18 14:25:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:30,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-12-18 14:25:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:30,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-12-18 14:25:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:30,116 INFO L134 CoverageAnalysis]: Checked inductivity of 6172 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6166 trivial. 0 not checked. [2021-12-18 14:25:30,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:25:30,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623412289] [2021-12-18 14:25:30,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623412289] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:25:30,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:25:30,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 14:25:30,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024417122] [2021-12-18 14:25:30,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:25:30,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 14:25:30,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:25:30,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 14:25:30,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 14:25:30,118 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) [2021-12-18 14:25:37,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:25:37,172 INFO L93 Difference]: Finished difference Result 24872 states and 37488 transitions. [2021-12-18 14:25:37,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 14:25:37,173 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 [2021-12-18 14:25:37,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:25:37,328 INFO L225 Difference]: With dead ends: 24872 [2021-12-18 14:25:37,328 INFO L226 Difference]: Without dead ends: 24870 [2021-12-18 14:25:37,361 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 14:25:37,362 INFO L933 BasicCegarLoop]: 3796 mSDtfsCounter, 3944 mSDsluCounter, 6873 mSDsCounter, 0 mSdLazyCounter, 4975 mSolverCounterSat, 3899 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4269 SdHoareTripleChecker+Valid, 10669 SdHoareTripleChecker+Invalid, 8874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3899 IncrementalHoareTripleChecker+Valid, 4975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-12-18 14:25:37,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4269 Valid, 10669 Invalid, 8874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3899 Valid, 4975 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2021-12-18 14:25:37,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24870 states. [2021-12-18 14:25:38,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24870 to 22922. [2021-12-18 14:25:38,534 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) [2021-12-18 14:25:38,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22922 states to 22922 states and 34382 transitions. [2021-12-18 14:25:38,660 INFO L78 Accepts]: Start accepts. Automaton has 22922 states and 34382 transitions. Word has length 495 [2021-12-18 14:25:38,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:25:38,661 INFO L470 AbstractCegarLoop]: Abstraction has 22922 states and 34382 transitions. [2021-12-18 14:25:38,661 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) [2021-12-18 14:25:38,661 INFO L276 IsEmpty]: Start isEmpty. Operand 22922 states and 34382 transitions. [2021-12-18 14:25:38,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2021-12-18 14:25:38,676 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:25:38,676 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] [2021-12-18 14:25:38,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 14:25:38,677 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)] === [2021-12-18 14:25:38,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:25:38,677 INFO L85 PathProgramCache]: Analyzing trace with hash -58625133, now seen corresponding path program 1 times [2021-12-18 14:25:38,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:25:38,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486912568] [2021-12-18 14:25:38,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:25:38,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:25:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:38,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:25:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:38,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:38,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:25:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:38,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:38,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:25:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:38,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:38,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:25:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:38,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:38,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:25:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:38,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:38,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:25:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:38,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:38,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:25:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:25:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:25:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:25:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:25:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:25:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:25:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:25:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:25:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:25:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:25:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:25:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:25:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:25:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:25:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:25:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:25:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:25:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:25:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:25:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:25:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:25:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:25:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:25:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:25:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 14:25:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 14:25:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 14:25:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 14:25:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 14:25:39,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-18 14:25:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-18 14:25:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-18 14:25:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 14:25:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-18 14:25:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-18 14:25:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-18 14:25:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-18 14:25:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-18 14:25:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-12-18 14:25:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-12-18 14:25:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-12-18 14:25:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:39,617 INFO L134 CoverageAnalysis]: Checked inductivity of 6186 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6178 trivial. 0 not checked. [2021-12-18 14:25:39,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:25:39,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486912568] [2021-12-18 14:25:39,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486912568] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:25:39,618 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:25:39,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 14:25:39,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899979146] [2021-12-18 14:25:39,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:25:39,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 14:25:39,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:25:39,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 14:25:39,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 14:25:39,620 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) [2021-12-18 14:25:44,606 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 14:25:49,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:25:49,445 INFO L93 Difference]: Finished difference Result 24876 states and 37491 transitions. [2021-12-18 14:25:49,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 14:25:49,445 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 [2021-12-18 14:25:49,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:25:49,590 INFO L225 Difference]: With dead ends: 24876 [2021-12-18 14:25:49,590 INFO L226 Difference]: Without dead ends: 24874 [2021-12-18 14:25:49,621 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 14:25:49,621 INFO L933 BasicCegarLoop]: 3796 mSDtfsCounter, 3943 mSDsluCounter, 6872 mSDsCounter, 0 mSdLazyCounter, 4974 mSolverCounterSat, 3898 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4269 SdHoareTripleChecker+Valid, 10668 SdHoareTripleChecker+Invalid, 8873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3898 IncrementalHoareTripleChecker+Valid, 4974 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2021-12-18 14:25:49,622 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4269 Valid, 10668 Invalid, 8873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3898 Valid, 4974 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2021-12-18 14:25:49,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24874 states. [2021-12-18 14:25:50,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24874 to 22926. [2021-12-18 14:25:50,860 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) [2021-12-18 14:25:51,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22926 states to 22926 states and 34385 transitions. [2021-12-18 14:25:51,008 INFO L78 Accepts]: Start accepts. Automaton has 22926 states and 34385 transitions. Word has length 500 [2021-12-18 14:25:51,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:25:51,009 INFO L470 AbstractCegarLoop]: Abstraction has 22926 states and 34385 transitions. [2021-12-18 14:25:51,009 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) [2021-12-18 14:25:51,009 INFO L276 IsEmpty]: Start isEmpty. Operand 22926 states and 34385 transitions. [2021-12-18 14:25:51,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2021-12-18 14:25:51,029 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:25:51,030 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] [2021-12-18 14:25:51,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 14:25:51,030 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)] === [2021-12-18 14:25:51,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:25:51,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1441432703, now seen corresponding path program 1 times [2021-12-18 14:25:51,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:25:51,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299017616] [2021-12-18 14:25:51,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:25:51,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:25:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:25:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:25:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:25:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:25:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:25:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:25:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:25:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:25:51,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:25:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:25:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:25:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:25:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:25:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:25:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:25:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:25:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:25:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:25:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:25:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:25:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:25:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:25:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:25:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:25:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:25:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:25:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:25:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:25:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:25:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:25:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:25:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 14:25:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 14:25:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 14:25:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 14:25:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:51,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 14:25:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:52,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:52,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-18 14:25:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:52,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-18 14:25:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:52,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-18 14:25:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:52,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 14:25:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:52,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-18 14:25:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:52,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:25:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:52,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-18 14:25:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:52,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-18 14:25:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:52,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-18 14:25:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:52,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-18 14:25:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:52,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-12-18 14:25:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:52,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-12-18 14:25:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:52,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-12-18 14:25:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:52,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-12-18 14:25:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:25:52,148 INFO L134 CoverageAnalysis]: Checked inductivity of 6204 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6194 trivial. 0 not checked. [2021-12-18 14:25:52,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:25:52,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299017616] [2021-12-18 14:25:52,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299017616] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:25:52,149 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:25:52,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 14:25:52,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915696009] [2021-12-18 14:25:52,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:25:52,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 14:25:52,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:25:52,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 14:25:52,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 14:25:52,151 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) [2021-12-18 14:26:00,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:26:00,390 INFO L93 Difference]: Finished difference Result 24880 states and 37494 transitions. [2021-12-18 14:26:00,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 14:26:00,391 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 [2021-12-18 14:26:00,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:26:00,527 INFO L225 Difference]: With dead ends: 24880 [2021-12-18 14:26:00,527 INFO L226 Difference]: Without dead ends: 24878 [2021-12-18 14:26:00,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 14:26:00,552 INFO L933 BasicCegarLoop]: 3796 mSDtfsCounter, 3944 mSDsluCounter, 6873 mSDsCounter, 0 mSdLazyCounter, 4975 mSolverCounterSat, 3897 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4269 SdHoareTripleChecker+Valid, 10669 SdHoareTripleChecker+Invalid, 8872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3897 IncrementalHoareTripleChecker+Valid, 4975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-12-18 14:26:00,552 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4269 Valid, 10669 Invalid, 8872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3897 Valid, 4975 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2021-12-18 14:26:00,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24878 states. [2021-12-18 14:26:01,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24878 to 22930. [2021-12-18 14:26:01,929 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) [2021-12-18 14:26:02,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22930 states to 22930 states and 34388 transitions. [2021-12-18 14:26:02,039 INFO L78 Accepts]: Start accepts. Automaton has 22930 states and 34388 transitions. Word has length 505 [2021-12-18 14:26:02,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:26:02,040 INFO L470 AbstractCegarLoop]: Abstraction has 22930 states and 34388 transitions. [2021-12-18 14:26:02,040 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) [2021-12-18 14:26:02,040 INFO L276 IsEmpty]: Start isEmpty. Operand 22930 states and 34388 transitions. [2021-12-18 14:26:02,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2021-12-18 14:26:02,055 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:26:02,055 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] [2021-12-18 14:26:02,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 14:26:02,055 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)] === [2021-12-18 14:26:02,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:26:02,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1451245267, now seen corresponding path program 1 times [2021-12-18 14:26:02,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:26:02,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103263324] [2021-12-18 14:26:02,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:26:02,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:26:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:26:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:26:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:26:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:26:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:26:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:26:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:26:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:26:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:26:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:26:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:26:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:26:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:26:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:26:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:26:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:26:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:26:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:26:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:26:02,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:26:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:26:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:26:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:26:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:26:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:26:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:26:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:26:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:26:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:26:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:26:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:26:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 14:26:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 14:26:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 14:26:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 14:26:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 14:26:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-18 14:26:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-18 14:26:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-18 14:26:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 14:26:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-18 14:26:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-18 14:26:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-18 14:26:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-18 14:26:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-18 14:26:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-12-18 14:26:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-12-18 14:26:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-12-18 14:26:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-12-18 14:26:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2021-12-18 14:26:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:02,859 INFO L134 CoverageAnalysis]: Checked inductivity of 6226 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6214 trivial. 0 not checked. [2021-12-18 14:26:02,859 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:26:02,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103263324] [2021-12-18 14:26:02,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103263324] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:26:02,859 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:26:02,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 14:26:02,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370719217] [2021-12-18 14:26:02,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:26:02,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 14:26:02,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:26:02,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 14:26:02,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 14:26:02,861 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) [2021-12-18 14:26:11,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:26:11,605 INFO L93 Difference]: Finished difference Result 25544 states and 38197 transitions. [2021-12-18 14:26:11,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 14:26:11,606 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 [2021-12-18 14:26:11,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:26:11,760 INFO L225 Difference]: With dead ends: 25544 [2021-12-18 14:26:11,760 INFO L226 Difference]: Without dead ends: 25542 [2021-12-18 14:26:11,792 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 14:26:11,793 INFO L933 BasicCegarLoop]: 3801 mSDtfsCounter, 3893 mSDsluCounter, 7043 mSDsCounter, 0 mSdLazyCounter, 5227 mSolverCounterSat, 3896 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4207 SdHoareTripleChecker+Valid, 10844 SdHoareTripleChecker+Invalid, 9123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3896 IncrementalHoareTripleChecker+Valid, 5227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2021-12-18 14:26:11,793 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4207 Valid, 10844 Invalid, 9123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3896 Valid, 5227 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2021-12-18 14:26:11,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25542 states. [2021-12-18 14:26:13,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25542 to 23550. [2021-12-18 14:26:13,134 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) [2021-12-18 14:26:13,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23550 states to 23550 states and 35035 transitions. [2021-12-18 14:26:13,257 INFO L78 Accepts]: Start accepts. Automaton has 23550 states and 35035 transitions. Word has length 510 [2021-12-18 14:26:13,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:26:13,257 INFO L470 AbstractCegarLoop]: Abstraction has 23550 states and 35035 transitions. [2021-12-18 14:26:13,257 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) [2021-12-18 14:26:13,258 INFO L276 IsEmpty]: Start isEmpty. Operand 23550 states and 35035 transitions. [2021-12-18 14:26:13,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2021-12-18 14:26:13,272 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:26:13,272 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] [2021-12-18 14:26:13,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 14:26:13,272 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)] === [2021-12-18 14:26:13,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:26:13,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1608708287, now seen corresponding path program 1 times [2021-12-18 14:26:13,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:26:13,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862134023] [2021-12-18 14:26:13,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:26:13,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:26:13,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:26:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:26:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:26:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:26:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:26:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:26:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:26:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:26:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:26:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:26:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:26:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:26:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:26:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:26:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:26:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:26:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:26:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:26:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:26:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:26:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:13,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:26:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:26:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:26:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:26:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:26:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:26:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:26:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:26:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:13,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:26:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:26:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:26:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 14:26:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 14:26:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 14:26:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 14:26:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 14:26:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-18 14:26:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-18 14:26:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-18 14:26:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 14:26:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-18 14:26:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-18 14:26:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-18 14:26:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-18 14:26:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-18 14:26:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-12-18 14:26:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-12-18 14:26:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-12-18 14:26:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-12-18 14:26:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2021-12-18 14:26:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-12-18 14:26:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:14,240 INFO L134 CoverageAnalysis]: Checked inductivity of 6252 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6238 trivial. 0 not checked. [2021-12-18 14:26:14,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:26:14,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862134023] [2021-12-18 14:26:14,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862134023] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:26:14,240 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:26:14,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 14:26:14,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236084665] [2021-12-18 14:26:14,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:26:14,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 14:26:14,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:26:14,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 14:26:14,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 14:26:14,242 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) [2021-12-18 14:26:23,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:26:23,020 INFO L93 Difference]: Finished difference Result 25548 states and 38200 transitions. [2021-12-18 14:26:23,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 14:26:23,021 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 [2021-12-18 14:26:23,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:26:23,143 INFO L225 Difference]: With dead ends: 25548 [2021-12-18 14:26:23,143 INFO L226 Difference]: Without dead ends: 25546 [2021-12-18 14:26:23,164 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 [2021-12-18 14:26:23,165 INFO L933 BasicCegarLoop]: 3797 mSDtfsCounter, 3943 mSDsluCounter, 6875 mSDsCounter, 0 mSdLazyCounter, 4975 mSolverCounterSat, 3895 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4268 SdHoareTripleChecker+Valid, 10672 SdHoareTripleChecker+Invalid, 8870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3895 IncrementalHoareTripleChecker+Valid, 4975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-12-18 14:26:23,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4268 Valid, 10672 Invalid, 8870 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3895 Valid, 4975 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2021-12-18 14:26:23,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25546 states. [2021-12-18 14:26:24,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25546 to 23554. [2021-12-18 14:26:24,508 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) [2021-12-18 14:26:24,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23554 states to 23554 states and 35038 transitions. [2021-12-18 14:26:24,625 INFO L78 Accepts]: Start accepts. Automaton has 23554 states and 35038 transitions. Word has length 515 [2021-12-18 14:26:24,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:26:24,625 INFO L470 AbstractCegarLoop]: Abstraction has 23554 states and 35038 transitions. [2021-12-18 14:26:24,625 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) [2021-12-18 14:26:24,625 INFO L276 IsEmpty]: Start isEmpty. Operand 23554 states and 35038 transitions. [2021-12-18 14:26:24,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2021-12-18 14:26:24,640 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:26:24,640 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] [2021-12-18 14:26:24,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 14:26:24,640 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)] === [2021-12-18 14:26:24,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:26:24,641 INFO L85 PathProgramCache]: Analyzing trace with hash -2141476333, now seen corresponding path program 1 times [2021-12-18 14:26:24,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:26:24,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910310524] [2021-12-18 14:26:24,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:26:24,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:26:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:26:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:26:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:26:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:26:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:26:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:26:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:26:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:26:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:26:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:26:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:24,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:26:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:25,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:26:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:26:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:26:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:26:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:26:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:26:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:26:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:26:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:26:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:26:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:26:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:26:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:26:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:26:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:26:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:26:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:26:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:26:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:26:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:26:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 14:26:25,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 14:26:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 14:26:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 14:26:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 14:26:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-18 14:26:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-18 14:26:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-18 14:26:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 14:26:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-18 14:26:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-18 14:26:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-18 14:26:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-18 14:26:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-18 14:26:25,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-12-18 14:26:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-12-18 14:26:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-12-18 14:26:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-12-18 14:26:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2021-12-18 14:26:25,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-12-18 14:26:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-12-18 14:26:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:25,514 INFO L134 CoverageAnalysis]: Checked inductivity of 6282 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6266 trivial. 0 not checked. [2021-12-18 14:26:25,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:26:25,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910310524] [2021-12-18 14:26:25,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910310524] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:26:25,514 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:26:25,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 14:26:25,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791684710] [2021-12-18 14:26:25,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:26:25,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 14:26:25,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:26:25,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 14:26:25,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 14:26:25,516 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) [2021-12-18 14:26:35,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:26:35,025 INFO L93 Difference]: Finished difference Result 25552 states and 38203 transitions. [2021-12-18 14:26:35,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 14:26:35,026 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 [2021-12-18 14:26:35,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:26:35,170 INFO L225 Difference]: With dead ends: 25552 [2021-12-18 14:26:35,170 INFO L226 Difference]: Without dead ends: 25550 [2021-12-18 14:26:35,198 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 14:26:35,199 INFO L933 BasicCegarLoop]: 3795 mSDtfsCounter, 3944 mSDsluCounter, 6870 mSDsCounter, 0 mSdLazyCounter, 4975 mSolverCounterSat, 3894 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4270 SdHoareTripleChecker+Valid, 10665 SdHoareTripleChecker+Invalid, 8869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3894 IncrementalHoareTripleChecker+Valid, 4975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2021-12-18 14:26:35,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4270 Valid, 10665 Invalid, 8869 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3894 Valid, 4975 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2021-12-18 14:26:35,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25550 states. [2021-12-18 14:26:36,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25550 to 23558. [2021-12-18 14:26:36,596 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) [2021-12-18 14:26:36,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23558 states to 23558 states and 35041 transitions. [2021-12-18 14:26:36,713 INFO L78 Accepts]: Start accepts. Automaton has 23558 states and 35041 transitions. Word has length 520 [2021-12-18 14:26:36,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:26:36,713 INFO L470 AbstractCegarLoop]: Abstraction has 23558 states and 35041 transitions. [2021-12-18 14:26:36,713 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) [2021-12-18 14:26:36,713 INFO L276 IsEmpty]: Start isEmpty. Operand 23558 states and 35041 transitions. [2021-12-18 14:26:36,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2021-12-18 14:26:36,728 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:26:36,729 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] [2021-12-18 14:26:36,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 14:26:36,729 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)] === [2021-12-18 14:26:36,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:26:36,729 INFO L85 PathProgramCache]: Analyzing trace with hash 719502591, now seen corresponding path program 1 times [2021-12-18 14:26:36,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:26:36,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210739858] [2021-12-18 14:26:36,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:26:36,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:26:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:36,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:26:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:36,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:36,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:26:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:36,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:36,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:26:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:36,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:36,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:26:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:36,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:36,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:26:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:36,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:36,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:26:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:36,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:36,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:26:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:26:37,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:26:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:26:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:26:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:26:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:26:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:26:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:26:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:26:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:26:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:26:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:26:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:26:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:26:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:26:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:26:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:26:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:26:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:26:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:26:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:26:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:26:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:26:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:26:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 14:26:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 14:26:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 14:26:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 14:26:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 14:26:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-18 14:26:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-18 14:26:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-18 14:26:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 14:26:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-18 14:26:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-18 14:26:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-18 14:26:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-18 14:26:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-18 14:26:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-12-18 14:26:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-12-18 14:26:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-12-18 14:26:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-12-18 14:26:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2021-12-18 14:26:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-12-18 14:26:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-12-18 14:26:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-18 14:26:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:37,541 INFO L134 CoverageAnalysis]: Checked inductivity of 6316 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 6298 trivial. 0 not checked. [2021-12-18 14:26:37,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:26:37,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210739858] [2021-12-18 14:26:37,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210739858] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:26:37,542 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:26:37,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 14:26:37,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18378973] [2021-12-18 14:26:37,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:26:37,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 14:26:37,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:26:37,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 14:26:37,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 14:26:37,543 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) [2021-12-18 14:26:46,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:26:46,646 INFO L93 Difference]: Finished difference Result 25556 states and 38206 transitions. [2021-12-18 14:26:46,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 14:26:46,646 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 [2021-12-18 14:26:46,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:26:46,791 INFO L225 Difference]: With dead ends: 25556 [2021-12-18 14:26:46,791 INFO L226 Difference]: Without dead ends: 25554 [2021-12-18 14:26:46,825 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 14:26:46,825 INFO L933 BasicCegarLoop]: 3796 mSDtfsCounter, 3944 mSDsluCounter, 6873 mSDsCounter, 0 mSdLazyCounter, 4975 mSolverCounterSat, 3893 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4269 SdHoareTripleChecker+Valid, 10669 SdHoareTripleChecker+Invalid, 8868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3893 IncrementalHoareTripleChecker+Valid, 4975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2021-12-18 14:26:46,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4269 Valid, 10669 Invalid, 8868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3893 Valid, 4975 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2021-12-18 14:26:46,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25554 states. [2021-12-18 14:26:48,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25554 to 23562. [2021-12-18 14:26:48,203 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) [2021-12-18 14:26:48,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23562 states to 23562 states and 35044 transitions. [2021-12-18 14:26:48,334 INFO L78 Accepts]: Start accepts. Automaton has 23562 states and 35044 transitions. Word has length 525 [2021-12-18 14:26:48,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:26:48,335 INFO L470 AbstractCegarLoop]: Abstraction has 23562 states and 35044 transitions. [2021-12-18 14:26:48,335 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) [2021-12-18 14:26:48,335 INFO L276 IsEmpty]: Start isEmpty. Operand 23562 states and 35044 transitions. [2021-12-18 14:26:48,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2021-12-18 14:26:48,465 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:26:48,466 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] [2021-12-18 14:26:48,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-18 14:26:48,466 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)] === [2021-12-18 14:26:48,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:26:48,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1187755347, now seen corresponding path program 1 times [2021-12-18 14:26:48,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:26:48,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228694622] [2021-12-18 14:26:48,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:26:48,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:26:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:26:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:26:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:26:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:26:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:26:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:26:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:26:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:26:48,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:26:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:26:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:26:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:26:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:26:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:26:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:26:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:26:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:26:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:26:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:26:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:26:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:26:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:26:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:26:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:26:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:48,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:26:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:26:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:26:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:26:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:26:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:26:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:26:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 14:26:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 14:26:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 14:26:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 14:26:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 14:26:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-18 14:26:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-18 14:26:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-18 14:26:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 14:26:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-18 14:26:49,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-18 14:26:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-18 14:26:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-18 14:26:49,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-18 14:26:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-12-18 14:26:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-12-18 14:26:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-12-18 14:26:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-12-18 14:26:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2021-12-18 14:26:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-12-18 14:26:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-12-18 14:26:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-18 14:26:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-12-18 14:26:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:49,331 INFO L134 CoverageAnalysis]: Checked inductivity of 6354 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 6334 trivial. 0 not checked. [2021-12-18 14:26:49,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:26:49,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228694622] [2021-12-18 14:26:49,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228694622] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:26:49,331 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:26:49,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 14:26:49,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539181827] [2021-12-18 14:26:49,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:26:49,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 14:26:49,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:26:49,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 14:26:49,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 14:26:49,333 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) [2021-12-18 14:26:57,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:26:57,518 INFO L93 Difference]: Finished difference Result 25560 states and 38209 transitions. [2021-12-18 14:26:57,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 14:26:57,519 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 [2021-12-18 14:26:57,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:26:57,638 INFO L225 Difference]: With dead ends: 25560 [2021-12-18 14:26:57,638 INFO L226 Difference]: Without dead ends: 25556 [2021-12-18 14:26:57,662 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 14:26:57,666 INFO L933 BasicCegarLoop]: 3796 mSDtfsCounter, 3944 mSDsluCounter, 6873 mSDsCounter, 0 mSdLazyCounter, 4975 mSolverCounterSat, 3892 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4269 SdHoareTripleChecker+Valid, 10669 SdHoareTripleChecker+Invalid, 8867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3892 IncrementalHoareTripleChecker+Valid, 4975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2021-12-18 14:26:57,666 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4269 Valid, 10669 Invalid, 8867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3892 Valid, 4975 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2021-12-18 14:26:57,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25556 states. [2021-12-18 14:26:59,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25556 to 23564. [2021-12-18 14:26:59,183 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) [2021-12-18 14:26:59,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23564 states to 23564 states and 35045 transitions. [2021-12-18 14:26:59,303 INFO L78 Accepts]: Start accepts. Automaton has 23564 states and 35045 transitions. Word has length 530 [2021-12-18 14:26:59,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:26:59,303 INFO L470 AbstractCegarLoop]: Abstraction has 23564 states and 35045 transitions. [2021-12-18 14:26:59,303 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) [2021-12-18 14:26:59,304 INFO L276 IsEmpty]: Start isEmpty. Operand 23564 states and 35045 transitions. [2021-12-18 14:26:59,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2021-12-18 14:26:59,320 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:26:59,320 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] [2021-12-18 14:26:59,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-18 14:26:59,321 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)] === [2021-12-18 14:26:59,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:26:59,321 INFO L85 PathProgramCache]: Analyzing trace with hash 489810239, now seen corresponding path program 1 times [2021-12-18 14:26:59,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:26:59,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213334805] [2021-12-18 14:26:59,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:26:59,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:26:59,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:26:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:26:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:26:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:26:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:26:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:26:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:26:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:26:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:26:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:26:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:26:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:26:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:26:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:26:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:26:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:26:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:26:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:26:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:26:59,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:26:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:26:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:26:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:26:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:26:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:26:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:26:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:26:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:26:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:26:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:26:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:26:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 14:26:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 14:26:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 14:26:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 14:26:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 14:26:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:26:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-18 14:26:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-12-18 14:26:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-18 14:26:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 14:26:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:26:59,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-18 14:27:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:00,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:00,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-18 14:27:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:00,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-18 14:27:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:00,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-18 14:27:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:00,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-18 14:27:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:00,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-12-18 14:27:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:00,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-12-18 14:27:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:00,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-12-18 14:27:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:00,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-12-18 14:27:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:00,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2021-12-18 14:27:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:00,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-12-18 14:27:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:00,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-12-18 14:27:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:00,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-18 14:27:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:00,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-12-18 14:27:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:00,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2021-12-18 14:27:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:00,096 INFO L134 CoverageAnalysis]: Checked inductivity of 6396 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6374 trivial. 0 not checked. [2021-12-18 14:27:00,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:27:00,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213334805] [2021-12-18 14:27:00,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213334805] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:27:00,096 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:27:00,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 14:27:00,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318002307] [2021-12-18 14:27:00,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:27:00,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 14:27:00,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:27:00,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 14:27:00,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 14:27:00,098 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) [2021-12-18 14:27:08,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:27:08,939 INFO L93 Difference]: Finished difference Result 25556 states and 38205 transitions. [2021-12-18 14:27:08,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 14:27:08,940 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 [2021-12-18 14:27:08,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:27:09,111 INFO L225 Difference]: With dead ends: 25556 [2021-12-18 14:27:09,111 INFO L226 Difference]: Without dead ends: 25447 [2021-12-18 14:27:09,153 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 14:27:09,154 INFO L933 BasicCegarLoop]: 3792 mSDtfsCounter, 3938 mSDsluCounter, 6870 mSDsCounter, 0 mSdLazyCounter, 4970 mSolverCounterSat, 3891 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4264 SdHoareTripleChecker+Valid, 10662 SdHoareTripleChecker+Invalid, 8861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3891 IncrementalHoareTripleChecker+Valid, 4970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2021-12-18 14:27:09,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4264 Valid, 10662 Invalid, 8861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3891 Valid, 4970 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2021-12-18 14:27:09,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25447 states. [2021-12-18 14:27:10,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25447 to 23455. [2021-12-18 14:27:10,711 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) [2021-12-18 14:27:10,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23455 states to 23455 states and 34919 transitions. [2021-12-18 14:27:10,833 INFO L78 Accepts]: Start accepts. Automaton has 23455 states and 34919 transitions. Word has length 535 [2021-12-18 14:27:10,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:27:10,833 INFO L470 AbstractCegarLoop]: Abstraction has 23455 states and 34919 transitions. [2021-12-18 14:27:10,833 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) [2021-12-18 14:27:10,833 INFO L276 IsEmpty]: Start isEmpty. Operand 23455 states and 34919 transitions. [2021-12-18 14:27:10,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2021-12-18 14:27:10,850 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:27:10,850 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] [2021-12-18 14:27:10,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-18 14:27:10,851 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)] === [2021-12-18 14:27:10,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:27:10,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1132815420, now seen corresponding path program 1 times [2021-12-18 14:27:10,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:27:10,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896356905] [2021-12-18 14:27:10,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:27:10,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:27:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:27:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:27:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:27:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:27:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:27:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:27:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:27:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:27:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:27:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:27:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:27:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:27:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:27:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:27:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:27:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:27:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:27:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:27:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:27:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:27:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:27:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:27:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:27:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:27:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:27:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:27:11,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:27:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:27:11,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:27:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:27:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:27:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 14:27:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 14:27:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 14:27:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 14:27:11,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 14:27:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-18 14:27:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-12-18 14:27:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-18 14:27:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:27:11,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 14:27:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 14:27:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 14:27:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 14:27:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-18 14:27:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-18 14:27:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:11,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 14:27:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:11,802 INFO L134 CoverageAnalysis]: Checked inductivity of 5818 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5818 trivial. 0 not checked. [2021-12-18 14:27:11,803 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:27:11,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896356905] [2021-12-18 14:27:11,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896356905] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:27:11,803 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:27:11,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:27:11,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690188471] [2021-12-18 14:27:11,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:27:11,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:27:11,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:27:11,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:27:11,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:27:11,805 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) [2021-12-18 14:27:25,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:27:25,193 INFO L93 Difference]: Finished difference Result 73491 states and 109967 transitions. [2021-12-18 14:27:25,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:27:25,193 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 [2021-12-18 14:27:25,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:27:25,464 INFO L225 Difference]: With dead ends: 73491 [2021-12-18 14:27:25,464 INFO L226 Difference]: Without dead ends: 50113 [2021-12-18 14:27:25,573 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:27:25,573 INFO L933 BasicCegarLoop]: 4118 mSDtfsCounter, 4935 mSDsluCounter, 3952 mSDsCounter, 0 mSdLazyCounter, 4386 mSolverCounterSat, 5067 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6089 SdHoareTripleChecker+Valid, 8070 SdHoareTripleChecker+Invalid, 9453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5067 IncrementalHoareTripleChecker+Valid, 4386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2021-12-18 14:27:25,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6089 Valid, 8070 Invalid, 9453 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5067 Valid, 4386 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2021-12-18 14:27:25,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50113 states. [2021-12-18 14:27:28,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50113 to 47969. [2021-12-18 14:27:28,828 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) [2021-12-18 14:27:29,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47969 states to 47969 states and 71703 transitions. [2021-12-18 14:27:29,109 INFO L78 Accepts]: Start accepts. Automaton has 47969 states and 71703 transitions. Word has length 540 [2021-12-18 14:27:29,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:27:29,109 INFO L470 AbstractCegarLoop]: Abstraction has 47969 states and 71703 transitions. [2021-12-18 14:27:29,109 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) [2021-12-18 14:27:29,109 INFO L276 IsEmpty]: Start isEmpty. Operand 47969 states and 71703 transitions. [2021-12-18 14:27:29,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2021-12-18 14:27:29,126 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:27:29,126 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] [2021-12-18 14:27:29,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-18 14:27:29,127 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)] === [2021-12-18 14:27:29,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:27:29,127 INFO L85 PathProgramCache]: Analyzing trace with hash -2010650105, now seen corresponding path program 1 times [2021-12-18 14:27:29,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:27:29,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097969494] [2021-12-18 14:27:29,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:27:29,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:27:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:27:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:27:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:27:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:27:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:27:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:27:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:27:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:27:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:27:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:27:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:27:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:27:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:27:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:27:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:27:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:27:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:27:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:27:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:27:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:27:29,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:27:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:29,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:27:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:27:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:27:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:27:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:29,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:27:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:30,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:27:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:27:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:27:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:27:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:27:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 14:27:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 14:27:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 14:27:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 14:27:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 14:27:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-18 14:27:30,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-18 14:27:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 14:27:30,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:27:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 14:27:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 14:27:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 14:27:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 14:27:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-12-18 14:27:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-12-18 14:27:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 14:27:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:30,199 INFO L134 CoverageAnalysis]: Checked inductivity of 5818 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5818 trivial. 0 not checked. [2021-12-18 14:27:30,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:27:30,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097969494] [2021-12-18 14:27:30,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097969494] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:27:30,200 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:27:30,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:27:30,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864545203] [2021-12-18 14:27:30,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:27:30,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:27:30,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:27:30,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:27:30,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:27:30,201 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) [2021-12-18 14:27:47,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:27:47,881 INFO L93 Difference]: Finished difference Result 146401 states and 219551 transitions. [2021-12-18 14:27:47,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:27:47,881 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 [2021-12-18 14:27:47,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:27:48,538 INFO L225 Difference]: With dead ends: 146401 [2021-12-18 14:27:48,538 INFO L226 Difference]: Without dead ends: 98509 [2021-12-18 14:27:48,991 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:27:48,991 INFO L933 BasicCegarLoop]: 4123 mSDtfsCounter, 4932 mSDsluCounter, 3952 mSDsCounter, 0 mSdLazyCounter, 4385 mSolverCounterSat, 5068 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6085 SdHoareTripleChecker+Valid, 8075 SdHoareTripleChecker+Invalid, 9453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5068 IncrementalHoareTripleChecker+Valid, 4385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2021-12-18 14:27:48,992 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6085 Valid, 8075 Invalid, 9453 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5068 Valid, 4385 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2021-12-18 14:27:49,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98509 states. [2021-12-18 14:27:56,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98509 to 96173. [2021-12-18 14:27:56,207 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) [2021-12-18 14:27:57,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96173 states to 96173 states and 144139 transitions. [2021-12-18 14:27:57,037 INFO L78 Accepts]: Start accepts. Automaton has 96173 states and 144139 transitions. Word has length 538 [2021-12-18 14:27:57,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:27:57,038 INFO L470 AbstractCegarLoop]: Abstraction has 96173 states and 144139 transitions. [2021-12-18 14:27:57,038 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) [2021-12-18 14:27:57,038 INFO L276 IsEmpty]: Start isEmpty. Operand 96173 states and 144139 transitions. [2021-12-18 14:27:57,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2021-12-18 14:27:57,054 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:27:57,054 INFO L514 BasicCegarLoop]: trace histogram [38, 38, 37, 37, 37, 37, 37, 37, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:27:57,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-18 14:27:57,055 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)] === [2021-12-18 14:27:57,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:27:57,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1528487481, now seen corresponding path program 1 times [2021-12-18 14:27:57,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:27:57,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675619063] [2021-12-18 14:27:57,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:27:57,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:27:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:27:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:27:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:27:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:27:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:27:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:27:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:27:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:27:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:27:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:27:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:27:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:27:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:27:57,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:27:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:27:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:27:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:27:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:27:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:27:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:27:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:27:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:27:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 14:27:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:27:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:27:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:27:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:27:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 14:27:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:27:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 14:27:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 14:27:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 14:27:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 14:27:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 14:27:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 14:27:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 14:27:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-18 14:27:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 14:27:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-12-18 14:27:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 14:27:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-18 14:27:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-18 14:27:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:57,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:27:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:58,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:58,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 14:27:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:58,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 14:27:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:58,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 14:27:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:58,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 14:27:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:58,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-18 14:27:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:58,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:58,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:58,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2021-12-18 14:27:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:58,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:27:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:58,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 14:27:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:27:58,062 INFO L134 CoverageAnalysis]: Checked inductivity of 6149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6149 trivial. 0 not checked. [2021-12-18 14:27:58,062 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:27:58,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675619063] [2021-12-18 14:27:58,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675619063] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:27:58,063 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:27:58,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:27:58,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122501555] [2021-12-18 14:27:58,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:27:58,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:27:58,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:27:58,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:27:58,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:27:58,065 INFO L87 Difference]: Start difference. First operand 96173 states and 144139 transitions. Second operand has 4 states, 4 states have (on average 36.75) internal successors, (147), 3 states have internal predecessors, (147), 3 states have call successors, (59), 3 states have call predecessors, (59), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55)