./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.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 97cecdf2f398250e9c44f19d8d35ed7fcac528daa12758af85552fae0658b596 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 11:12:24,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 11:12:24,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 11:12:24,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 11:12:24,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 11:12:24,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 11:12:24,921 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 11:12:24,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 11:12:24,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 11:12:24,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 11:12:24,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 11:12:24,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 11:12:24,929 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 11:12:24,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 11:12:24,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 11:12:24,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 11:12:24,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 11:12:24,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 11:12:24,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 11:12:24,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 11:12:24,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 11:12:24,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 11:12:24,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 11:12:24,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 11:12:24,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 11:12:24,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 11:12:24,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 11:12:24,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 11:12:24,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 11:12:24,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 11:12:24,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 11:12:24,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 11:12:24,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 11:12:24,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 11:12:24,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 11:12:24,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 11:12:24,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 11:12:24,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 11:12:24,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 11:12:24,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 11:12:24,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 11:12:24,958 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 11:12:24,971 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 11:12:24,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 11:12:24,971 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 11:12:24,971 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 11:12:24,972 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 11:12:24,972 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 11:12:24,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 11:12:24,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 11:12:24,973 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 11:12:24,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 11:12:24,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 11:12:24,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 11:12:24,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 11:12:24,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 11:12:24,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 11:12:24,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 11:12:24,974 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 11:12:24,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 11:12:24,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 11:12:24,975 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 11:12:24,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 11:12:24,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 11:12:24,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 11:12:24,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 11:12:24,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 11:12:24,976 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 11:12:24,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 11:12:24,976 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 11:12:24,976 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 11:12:24,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 11:12:24,977 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 11:12:24,977 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97cecdf2f398250e9c44f19d8d35ed7fcac528daa12758af85552fae0658b596 [2021-12-18 11:12:25,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 11:12:25,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 11:12:25,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 11:12:25,171 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 11:12:25,172 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 11:12:25,172 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i [2021-12-18 11:12:25,223 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/108a833a8/edf6d463820d4405a37fe4091aa8ee90/FLAGa77956c36 [2021-12-18 11:12:25,915 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 11:12:25,916 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i [2021-12-18 11:12:25,966 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/108a833a8/edf6d463820d4405a37fe4091aa8ee90/FLAGa77956c36 [2021-12-18 11:12:26,250 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/108a833a8/edf6d463820d4405a37fe4091aa8ee90 [2021-12-18 11:12:26,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 11:12:26,253 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 11:12:26,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 11:12:26,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 11:12:26,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 11:12:26,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:12:26" (1/1) ... [2021-12-18 11:12:26,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d526b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:12:26, skipping insertion in model container [2021-12-18 11:12:26,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:12:26" (1/1) ... [2021-12-18 11:12:26,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 11:12:26,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 11:12:29,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[428896,428909] [2021-12-18 11:12:29,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429065,429078] [2021-12-18 11:12:29,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429232,429245] [2021-12-18 11:12:29,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429400,429413] [2021-12-18 11:12:29,127 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 11:12:29,186 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 11:12:29,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[428896,428909] [2021-12-18 11:12:29,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429065,429078] [2021-12-18 11:12:29,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429232,429245] [2021-12-18 11:12:29,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i[429400,429413] [2021-12-18 11:12:29,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 11:12:29,766 INFO L208 MainTranslator]: Completed translation [2021-12-18 11:12:29,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:12:29 WrapperNode [2021-12-18 11:12:29,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 11:12:29,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 11:12:29,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 11:12:29,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 11:12:29,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:12:29" (1/1) ... [2021-12-18 11:12:29,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:12:29" (1/1) ... [2021-12-18 11:12:30,013 INFO L137 Inliner]: procedures = 614, calls = 2613, calls flagged for inlining = 322, calls inlined = 255, statements flattened = 7165 [2021-12-18 11:12:30,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 11:12:30,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 11:12:30,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 11:12:30,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 11:12:30,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:12:29" (1/1) ... [2021-12-18 11:12:30,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:12:29" (1/1) ... [2021-12-18 11:12:30,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:12:29" (1/1) ... [2021-12-18 11:12:30,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:12:29" (1/1) ... [2021-12-18 11:12:30,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:12:29" (1/1) ... [2021-12-18 11:12:30,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:12:29" (1/1) ... [2021-12-18 11:12:30,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:12:29" (1/1) ... [2021-12-18 11:12:30,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 11:12:30,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 11:12:30,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 11:12:30,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 11:12:30,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:12:29" (1/1) ... [2021-12-18 11:12:30,248 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 11:12:30,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 11:12:30,264 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 11:12:30,292 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 11:12:30,301 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get [2021-12-18 11:12:30,302 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get [2021-12-18 11:12:30,302 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-18 11:12:30,302 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-18 11:12:30,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 11:12:30,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 11:12:30,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 11:12:30,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 11:12:30,302 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_hash [2021-12-18 11:12:30,302 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_hash [2021-12-18 11:12:30,303 INFO L130 BoogieDeclarations]: Found specification of procedure tun_attach [2021-12-18 11:12:30,303 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_attach [2021-12-18 11:12:30,303 INFO L130 BoogieDeclarations]: Found specification of procedure ns_capable [2021-12-18 11:12:30,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_capable [2021-12-18 11:12:30,303 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-18 11:12:30,303 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-18 11:12:30,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 11:12:30,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 11:12:30,304 INFO L130 BoogieDeclarations]: Found specification of procedure gid_valid [2021-12-18 11:12:30,304 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_valid [2021-12-18 11:12:30,304 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-18 11:12:30,304 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-18 11:12:30,304 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 11:12:30,304 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 11:12:30,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 11:12:30,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 11:12:30,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 11:12:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure sock_writeable [2021-12-18 11:12:30,305 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_writeable [2021-12-18 11:12:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 11:12:30,305 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 11:12:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2021-12-18 11:12:30,305 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2021-12-18 11:12:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 11:12:30,305 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 11:12:30,305 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2021-12-18 11:12:30,306 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2021-12-18 11:12:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 11:12:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-18 11:12:30,306 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-18 11:12:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_iff [2021-12-18 11:12:30,306 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_iff [2021-12-18 11:12:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 11:12:30,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_76 [2021-12-18 11:12:30,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_76 [2021-12-18 11:12:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 11:12:30,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 11:12:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_detach [2021-12-18 11:12:30,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_detach [2021-12-18 11:12:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 11:12:30,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 11:12:30,307 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 11:12:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tun_cleanup_15_2 [2021-12-18 11:12:30,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tun_cleanup_15_2 [2021-12-18 11:12:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure tun_detach_all [2021-12-18 11:12:30,308 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_detach_all [2021-12-18 11:12:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-18 11:12:30,308 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-18 11:12:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-12-18 11:12:30,308 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-12-18 11:12:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-18 11:12:30,309 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-18 11:12:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-12-18 11:12:30,309 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-12-18 11:12:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 11:12:30,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 11:12:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 11:12:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-18 11:12:30,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-18 11:12:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-18 11:12:30,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-18 11:12:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-18 11:12:30,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-18 11:12:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 11:12:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 11:12:30,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 11:12:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 11:12:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 11:12:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2021-12-18 11:12:30,311 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2021-12-18 11:12:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-18 11:12:30,311 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-18 11:12:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-18 11:12:30,311 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-18 11:12:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure tun_setup [2021-12-18 11:12:30,311 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_setup [2021-12-18 11:12:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_transport_header [2021-12-18 11:12:30,312 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_transport_header [2021-12-18 11:12:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 11:12:30,312 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 11:12:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-18 11:12:30,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-18 11:12:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_find [2021-12-18 11:12:30,312 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_find [2021-12-18 11:12:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_uninit [2021-12-18 11:12:30,312 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_uninit [2021-12-18 11:12:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 11:12:30,313 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 11:12:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_net [2021-12-18 11:12:30,313 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_net [2021-12-18 11:12:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 11:12:30,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 11:12:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2021-12-18 11:12:30,313 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2021-12-18 11:12:30,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-18 11:12:30,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-18 11:12:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flags [2021-12-18 11:12:30,314 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flags [2021-12-18 11:12:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2021-12-18 11:12:30,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2021-12-18 11:12:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 11:12:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure uid_valid [2021-12-18 11:12:30,314 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_valid [2021-12-18 11:12:30,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 11:12:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 11:12:30,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 11:12:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 11:12:30,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 11:12:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-18 11:12:30,315 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-18 11:12:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-18 11:12:30,315 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-18 11:12:30,316 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-18 11:12:30,316 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rtnl_is_held [2021-12-18 11:12:30,316 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rtnl_is_held [2021-12-18 11:12:30,316 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-18 11:12:30,316 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-18 11:12:30,316 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-12-18 11:12:30,316 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-12-18 11:12:30,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 11:12:30,316 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 11:12:30,317 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_get [2021-12-18 11:12:30,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_get [2021-12-18 11:12:30,317 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-18 11:12:30,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-18 11:12:30,317 INFO L130 BoogieDeclarations]: Found specification of procedure sk_attach_filter [2021-12-18 11:12:30,317 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_attach_filter [2021-12-18 11:12:30,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 11:12:30,317 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 11:12:30,317 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 11:12:30,317 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-12-18 11:12:30,318 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-12-18 11:12:30,318 INFO L130 BoogieDeclarations]: Found specification of procedure put_net [2021-12-18 11:12:30,318 INFO L138 BoogieDeclarations]: Found implementation of procedure put_net [2021-12-18 11:12:30,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 11:12:30,318 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_const_iovec [2021-12-18 11:12:30,318 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_const_iovec [2021-12-18 11:12:30,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 11:12:30,318 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-18 11:12:30,318 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-18 11:12:30,319 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_user [2021-12-18 11:12:30,319 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_user [2021-12-18 11:12:30,319 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-18 11:12:30,319 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-18 11:12:30,319 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_chr_ioctl [2021-12-18 11:12:30,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_chr_ioctl [2021-12-18 11:12:30,319 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 11:12:30,319 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 11:12:30,319 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_delete [2021-12-18 11:12:30,320 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_delete [2021-12-18 11:12:30,320 INFO L130 BoogieDeclarations]: Found specification of procedure sock_rps_reset_flow_hash [2021-12-18 11:12:30,320 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_rps_reset_flow_hash [2021-12-18 11:12:30,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 11:12:30,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 11:12:30,320 INFO L130 BoogieDeclarations]: Found specification of procedure tun_queue_purge [2021-12-18 11:12:30,320 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_queue_purge [2021-12-18 11:12:30,320 INFO L130 BoogieDeclarations]: Found specification of procedure tun_hashfn [2021-12-18 11:12:30,320 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_hashfn [2021-12-18 11:12:30,320 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-18 11:12:30,321 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-18 11:12:30,321 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 11:12:30,321 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 11:12:30,321 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 11:12:30,321 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 11:12:30,321 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-12-18 11:12:30,321 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-12-18 11:12:30,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_75 [2021-12-18 11:12:30,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_75 [2021-12-18 11:12:30,322 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 11:12:30,322 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 11:12:30,322 INFO L130 BoogieDeclarations]: Found specification of procedure tun_enable_queue [2021-12-18 11:12:30,322 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_enable_queue [2021-12-18 11:12:30,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 11:12:30,322 INFO L130 BoogieDeclarations]: Found specification of procedure security_tun_dev_free_security [2021-12-18 11:12:30,322 INFO L138 BoogieDeclarations]: Found implementation of procedure security_tun_dev_free_security [2021-12-18 11:12:30,322 INFO L130 BoogieDeclarations]: Found specification of procedure hold_net [2021-12-18 11:12:30,322 INFO L138 BoogieDeclarations]: Found implementation of procedure hold_net [2021-12-18 11:12:30,323 INFO L130 BoogieDeclarations]: Found specification of procedure tun_set_real_num_queues [2021-12-18 11:12:30,323 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_set_real_num_queues [2021-12-18 11:12:30,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 11:12:30,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 11:12:30,323 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2021-12-18 11:12:30,323 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2021-12-18 11:12:30,323 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2021-12-18 11:12:30,323 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2021-12-18 11:12:30,323 INFO L130 BoogieDeclarations]: Found specification of procedure tun_do_read [2021-12-18 11:12:30,324 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_do_read [2021-12-18 11:12:30,324 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 11:12:30,324 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 11:12:30,324 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2021-12-18 11:12:30,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2021-12-18 11:12:30,324 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-18 11:12:30,324 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-18 11:12:30,324 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-12-18 11:12:30,324 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-12-18 11:12:30,324 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-18 11:12:30,325 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-18 11:12:30,325 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-18 11:12:30,325 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-18 11:12:30,325 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-18 11:12:30,325 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-18 11:12:30,325 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-18 11:12:30,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-18 11:12:30,325 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-18 11:12:30,325 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-18 11:12:30,326 INFO L130 BoogieDeclarations]: Found specification of procedure tun_detach_filter [2021-12-18 11:12:30,326 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_detach_filter [2021-12-18 11:12:30,326 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromiovecend [2021-12-18 11:12:30,326 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromiovecend [2021-12-18 11:12:30,326 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_up [2021-12-18 11:12:30,326 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_up [2021-12-18 11:12:30,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 11:12:30,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 11:12:30,326 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-12-18 11:12:30,326 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-12-18 11:12:30,327 INFO L130 BoogieDeclarations]: Found specification of procedure tun_put [2021-12-18 11:12:30,327 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_put [2021-12-18 11:12:30,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 11:12:30,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 11:12:30,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 11:12:31,033 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 11:12:31,035 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 11:12:31,236 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 11:12:33,609 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 11:12:33,655 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 11:12:33,675 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 11:12:33,676 INFO L301 CfgBuilder]: Removed 20 assume(true) statements. [2021-12-18 11:12:33,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:12:33 BoogieIcfgContainer [2021-12-18 11:12:33,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 11:12:33,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 11:12:33,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 11:12:33,686 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 11:12:33,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 11:12:26" (1/3) ... [2021-12-18 11:12:33,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c043175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:12:33, skipping insertion in model container [2021-12-18 11:12:33,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:12:29" (2/3) ... [2021-12-18 11:12:33,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c043175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:12:33, skipping insertion in model container [2021-12-18 11:12:33,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:12:33" (3/3) ... [2021-12-18 11:12:33,689 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i [2021-12-18 11:12:33,695 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 11:12:33,695 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-18 11:12:33,749 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 11:12:33,765 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 11:12:33,765 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-18 11:12:33,818 INFO L276 IsEmpty]: Start isEmpty. Operand has 2235 states, 1646 states have (on average 1.3578371810449574) internal successors, (2235), 1682 states have internal predecessors, (2235), 481 states have call successors, (481), 106 states have call predecessors, (481), 105 states have return successors, (474), 473 states have call predecessors, (474), 474 states have call successors, (474) [2021-12-18 11:12:33,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-12-18 11:12:33,833 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:12:33,834 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:12:33,835 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 11:12:33,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:12:33,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1109704787, now seen corresponding path program 1 times [2021-12-18 11:12:33,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:12:33,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696101562] [2021-12-18 11:12:33,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:12:33,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:12:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:12:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:12:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:12:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:12:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:12:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:12:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:12:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:12:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:12:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:12:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:12:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:12:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:12:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:34,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:12:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:12:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:12:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:12:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:12:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:12:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:34,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:12:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:12:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:12:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:12:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 11:12:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 11:12:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:12:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 11:12:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 11:12:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 11:12:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:34,939 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2021-12-18 11:12:34,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:12:34,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696101562] [2021-12-18 11:12:34,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696101562] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:12:34,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:12:34,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:12:34,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748740786] [2021-12-18 11:12:34,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:12:34,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:12:34,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:12:34,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:12:34,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:12:34,970 INFO L87 Difference]: Start difference. First operand has 2235 states, 1646 states have (on average 1.3578371810449574) internal successors, (2235), 1682 states have internal predecessors, (2235), 481 states have call successors, (481), 106 states have call predecessors, (481), 105 states have return successors, (474), 473 states have call predecessors, (474), 474 states have call successors, (474) Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-18 11:12:38,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:12:38,240 INFO L93 Difference]: Finished difference Result 6313 states and 9153 transitions. [2021-12-18 11:12:38,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:12:38,242 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 327 [2021-12-18 11:12:38,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:12:38,286 INFO L225 Difference]: With dead ends: 6313 [2021-12-18 11:12:38,286 INFO L226 Difference]: Without dead ends: 4126 [2021-12-18 11:12:38,307 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 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 11:12:38,310 INFO L933 BasicCegarLoop]: 3180 mSDtfsCounter, 3622 mSDsluCounter, 3556 mSDsCounter, 0 mSdLazyCounter, 1710 mSolverCounterSat, 1206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3998 SdHoareTripleChecker+Valid, 6736 SdHoareTripleChecker+Invalid, 2916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1206 IncrementalHoareTripleChecker+Valid, 1710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-18 11:12:38,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3998 Valid, 6736 Invalid, 2916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1206 Valid, 1710 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-12-18 11:12:38,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4126 states. [2021-12-18 11:12:38,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4126 to 4110. [2021-12-18 11:12:38,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4110 states, 3019 states have (on average 1.3176548526001988) internal successors, (3978), 3089 states have internal predecessors, (3978), 882 states have call successors, (882), 207 states have call predecessors, (882), 206 states have return successors, (878), 876 states have call predecessors, (878), 878 states have call successors, (878) [2021-12-18 11:12:38,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4110 states to 4110 states and 5738 transitions. [2021-12-18 11:12:38,553 INFO L78 Accepts]: Start accepts. Automaton has 4110 states and 5738 transitions. Word has length 327 [2021-12-18 11:12:38,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:12:38,554 INFO L470 AbstractCegarLoop]: Abstraction has 4110 states and 5738 transitions. [2021-12-18 11:12:38,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-18 11:12:38,554 INFO L276 IsEmpty]: Start isEmpty. Operand 4110 states and 5738 transitions. [2021-12-18 11:12:38,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-12-18 11:12:38,559 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:12:38,560 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:12:38,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 11:12:38,560 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 11:12:38,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:12:38,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1988374258, now seen corresponding path program 1 times [2021-12-18 11:12:38,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:12:38,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334303670] [2021-12-18 11:12:38,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:12:38,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:12:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:12:38,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:12:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:12:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:12:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:12:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:12:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:12:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:12:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:12:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:12:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:12:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:12:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:12:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:12:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:12:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:12:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:12:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:38,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:12:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:39,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:39,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:39,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:12:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:39,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:39,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:12:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:39,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:39,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:39,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:12:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:39,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:39,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:12:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:39,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:39,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:12:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:39,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:39,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 11:12:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:39,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:39,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 11:12:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:39,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:39,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:12:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:39,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:39,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 11:12:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:39,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:39,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 11:12:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:39,151 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2021-12-18 11:12:39,151 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:12:39,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334303670] [2021-12-18 11:12:39,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334303670] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:12:39,151 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:12:39,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:12:39,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561390242] [2021-12-18 11:12:39,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:12:39,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:12:39,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:12:39,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:12:39,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:12:39,154 INFO L87 Difference]: Start difference. First operand 4110 states and 5738 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-18 11:12:42,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:12:42,117 INFO L93 Difference]: Finished difference Result 12120 states and 16977 transitions. [2021-12-18 11:12:42,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:12:42,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 326 [2021-12-18 11:12:42,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:12:42,166 INFO L225 Difference]: With dead ends: 12120 [2021-12-18 11:12:42,167 INFO L226 Difference]: Without dead ends: 8069 [2021-12-18 11:12:42,184 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 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 11:12:42,186 INFO L933 BasicCegarLoop]: 3324 mSDtfsCounter, 3559 mSDsluCounter, 3664 mSDsCounter, 0 mSdLazyCounter, 1664 mSolverCounterSat, 1236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3933 SdHoareTripleChecker+Valid, 6988 SdHoareTripleChecker+Invalid, 2900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1236 IncrementalHoareTripleChecker+Valid, 1664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-18 11:12:42,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3933 Valid, 6988 Invalid, 2900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1236 Valid, 1664 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-18 11:12:42,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8069 states. [2021-12-18 11:12:42,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8069 to 8013. [2021-12-18 11:12:42,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8013 states, 5904 states have (on average 1.3199525745257452) internal successors, (7793), 6044 states have internal predecessors, (7793), 1699 states have call successors, (1699), 410 states have call predecessors, (1699), 407 states have return successors, (1711), 1682 states have call predecessors, (1711), 1695 states have call successors, (1711) [2021-12-18 11:12:42,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8013 states to 8013 states and 11203 transitions. [2021-12-18 11:12:42,474 INFO L78 Accepts]: Start accepts. Automaton has 8013 states and 11203 transitions. Word has length 326 [2021-12-18 11:12:42,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:12:42,475 INFO L470 AbstractCegarLoop]: Abstraction has 8013 states and 11203 transitions. [2021-12-18 11:12:42,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-18 11:12:42,476 INFO L276 IsEmpty]: Start isEmpty. Operand 8013 states and 11203 transitions. [2021-12-18 11:12:42,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2021-12-18 11:12:42,482 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:12:42,482 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 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] [2021-12-18 11:12:42,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 11:12:42,483 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:12:42,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:12:42,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1875553454, now seen corresponding path program 1 times [2021-12-18 11:12:42,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:12:42,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453058854] [2021-12-18 11:12:42,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:12:42,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:12:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:12:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:12:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:12:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:12:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:12:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:12:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:12:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:12:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:12:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:12:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:12:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:42,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:12:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:12:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:12:42,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:12:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:12:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:12:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:12:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:12:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:42,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:42,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:12:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:43,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:43,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:12:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:43,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:43,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:12:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:43,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:43,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:12:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:43,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:43,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 11:12:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:43,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:43,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 11:12:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:43,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:43,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:43,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:12:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:43,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:43,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 11:12:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:43,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:43,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 11:12:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:43,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 11:12:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:43,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 11:12:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:43,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-12-18 11:12:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:43,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-12-18 11:12:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:43,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 11:12:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:43,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 11:12:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:43,153 INFO L134 CoverageAnalysis]: Checked inductivity of 3243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3243 trivial. 0 not checked. [2021-12-18 11:12:43,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:12:43,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453058854] [2021-12-18 11:12:43,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453058854] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:12:43,154 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:12:43,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:12:43,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752411115] [2021-12-18 11:12:43,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:12:43,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:12:43,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:12:43,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:12:43,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:12:43,157 INFO L87 Difference]: Start difference. First operand 8013 states and 11203 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-18 11:12:45,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:12:45,383 INFO L93 Difference]: Finished difference Result 15961 states and 22264 transitions. [2021-12-18 11:12:45,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:12:45,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 360 [2021-12-18 11:12:45,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:12:45,418 INFO L225 Difference]: With dead ends: 15961 [2021-12-18 11:12:45,418 INFO L226 Difference]: Without dead ends: 8007 [2021-12-18 11:12:45,445 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 124 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 11:12:45,449 INFO L933 BasicCegarLoop]: 3094 mSDtfsCounter, 2104 mSDsluCounter, 3508 mSDsCounter, 0 mSdLazyCounter, 1560 mSolverCounterSat, 824 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2356 SdHoareTripleChecker+Valid, 6602 SdHoareTripleChecker+Invalid, 2384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 824 IncrementalHoareTripleChecker+Valid, 1560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-18 11:12:45,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2356 Valid, 6602 Invalid, 2384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [824 Valid, 1560 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-18 11:12:45,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8007 states. [2021-12-18 11:12:45,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8007 to 7941. [2021-12-18 11:12:45,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7941 states, 5916 states have (on average 1.3125422582826234) internal successors, (7765), 6043 states have internal predecessors, (7765), 1605 states have call successors, (1605), 421 states have call predecessors, (1605), 417 states have return successors, (1613), 1581 states have call predecessors, (1613), 1601 states have call successors, (1613) [2021-12-18 11:12:45,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7941 states to 7941 states and 10983 transitions. [2021-12-18 11:12:45,661 INFO L78 Accepts]: Start accepts. Automaton has 7941 states and 10983 transitions. Word has length 360 [2021-12-18 11:12:45,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:12:45,665 INFO L470 AbstractCegarLoop]: Abstraction has 7941 states and 10983 transitions. [2021-12-18 11:12:45,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-18 11:12:45,666 INFO L276 IsEmpty]: Start isEmpty. Operand 7941 states and 10983 transitions. [2021-12-18 11:12:45,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-12-18 11:12:45,671 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:12:45,671 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 3, 3, 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] [2021-12-18 11:12:45,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 11:12:45,672 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 11:12:45,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:12:45,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1353308096, now seen corresponding path program 1 times [2021-12-18 11:12:45,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:12:45,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973983288] [2021-12-18 11:12:45,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:12:45,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:12:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:12:45,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:45,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:12:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:12:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:12:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:12:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:12:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:12:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:12:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:12:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:12:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:12:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:12:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:12:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:12:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:12:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:45,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:12:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:12:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:12:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:45,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:12:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:46,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:46,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:12:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:46,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:46,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:12:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:46,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:46,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:12:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:46,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:46,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:12:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:46,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:46,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 11:12:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:46,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:46,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 11:12:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:46,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:46,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:12:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:46,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:46,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 11:12:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:46,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:46,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 11:12:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:46,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 11:12:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:46,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 11:12:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:46,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:46,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 11:12:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:46,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 11:12:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:46,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-18 11:12:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:46,138 INFO L134 CoverageAnalysis]: Checked inductivity of 3435 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3423 trivial. 0 not checked. [2021-12-18 11:12:46,138 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:12:46,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973983288] [2021-12-18 11:12:46,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973983288] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:12:46,139 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:12:46,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:12:46,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876155995] [2021-12-18 11:12:46,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:12:46,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:12:46,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:12:46,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:12:46,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:12:46,140 INFO L87 Difference]: Start difference. First operand 7941 states and 10983 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-18 11:12:48,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:12:48,693 INFO L93 Difference]: Finished difference Result 19783 states and 27469 transitions. [2021-12-18 11:12:48,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:12:48,694 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 373 [2021-12-18 11:12:48,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:12:48,752 INFO L225 Difference]: With dead ends: 19783 [2021-12-18 11:12:48,752 INFO L226 Difference]: Without dead ends: 13715 [2021-12-18 11:12:48,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 124 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 11:12:48,772 INFO L933 BasicCegarLoop]: 5059 mSDtfsCounter, 3129 mSDsluCounter, 4653 mSDsCounter, 0 mSdLazyCounter, 1782 mSolverCounterSat, 872 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3499 SdHoareTripleChecker+Valid, 9712 SdHoareTripleChecker+Invalid, 2654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 872 IncrementalHoareTripleChecker+Valid, 1782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-18 11:12:48,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3499 Valid, 9712 Invalid, 2654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [872 Valid, 1782 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-18 11:12:48,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13715 states. [2021-12-18 11:12:49,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13715 to 13651. [2021-12-18 11:12:49,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13651 states, 10186 states have (on average 1.3151384252896132) internal successors, (13396), 10399 states have internal predecessors, (13396), 2745 states have call successors, (2745), 722 states have call predecessors, (2745), 717 states have return successors, (2763), 2715 states have call predecessors, (2763), 2741 states have call successors, (2763) [2021-12-18 11:12:49,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13651 states to 13651 states and 18904 transitions. [2021-12-18 11:12:49,134 INFO L78 Accepts]: Start accepts. Automaton has 13651 states and 18904 transitions. Word has length 373 [2021-12-18 11:12:49,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:12:49,135 INFO L470 AbstractCegarLoop]: Abstraction has 13651 states and 18904 transitions. [2021-12-18 11:12:49,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-18 11:12:49,135 INFO L276 IsEmpty]: Start isEmpty. Operand 13651 states and 18904 transitions. [2021-12-18 11:12:49,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-12-18 11:12:49,141 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:12:49,141 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 3, 3, 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] [2021-12-18 11:12:49,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 11:12:49,142 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 11:12:49,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:12:49,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1018431166, now seen corresponding path program 1 times [2021-12-18 11:12:49,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:12:49,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993863589] [2021-12-18 11:12:49,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:12:49,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:12:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:12:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:12:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:12:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:12:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:12:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:12:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:12:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:12:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:12:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:12:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:49,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:12:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:12:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:12:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:12:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:12:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:12:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:12:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:12:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:12:49,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:12:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:12:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:12:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:49,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:12:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 11:12:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 11:12:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:12:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 11:12:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 11:12:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 11:12:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 11:12:49,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 11:12:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 11:12:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-18 11:12:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:49,762 INFO L134 CoverageAnalysis]: Checked inductivity of 3435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3435 trivial. 0 not checked. [2021-12-18 11:12:49,762 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:12:49,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993863589] [2021-12-18 11:12:49,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993863589] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:12:49,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:12:49,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:12:49,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764614560] [2021-12-18 11:12:49,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:12:49,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:12:49,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:12:49,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:12:49,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:12:49,765 INFO L87 Difference]: Start difference. First operand 13651 states and 18904 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-18 11:12:52,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:12:52,039 INFO L93 Difference]: Finished difference Result 13717 states and 19032 transitions. [2021-12-18 11:12:52,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 11:12:52,039 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 373 [2021-12-18 11:12:52,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:12:52,088 INFO L225 Difference]: With dead ends: 13717 [2021-12-18 11:12:52,089 INFO L226 Difference]: Without dead ends: 13715 [2021-12-18 11:12:52,097 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 123 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 11:12:52,100 INFO L933 BasicCegarLoop]: 2846 mSDtfsCounter, 3055 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 829 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3317 SdHoareTripleChecker+Valid, 8588 SdHoareTripleChecker+Invalid, 2926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 829 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-18 11:12:52,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3317 Valid, 8588 Invalid, 2926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [829 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-18 11:12:52,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13715 states. [2021-12-18 11:12:52,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13715 to 13655. [2021-12-18 11:12:52,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13655 states, 10189 states have (on average 1.3150456374521542) internal successors, (13399), 10402 states have internal predecessors, (13399), 2745 states have call successors, (2745), 723 states have call predecessors, (2745), 718 states have return successors, (2763), 2715 states have call predecessors, (2763), 2741 states have call successors, (2763) [2021-12-18 11:12:52,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13655 states to 13655 states and 18907 transitions. [2021-12-18 11:12:52,408 INFO L78 Accepts]: Start accepts. Automaton has 13655 states and 18907 transitions. Word has length 373 [2021-12-18 11:12:52,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:12:52,409 INFO L470 AbstractCegarLoop]: Abstraction has 13655 states and 18907 transitions. [2021-12-18 11:12:52,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-18 11:12:52,410 INFO L276 IsEmpty]: Start isEmpty. Operand 13655 states and 18907 transitions. [2021-12-18 11:12:52,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2021-12-18 11:12:52,414 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:12:52,414 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 3, 3, 3, 2, 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] [2021-12-18 11:12:52,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 11:12:52,415 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 11:12:52,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:12:52,415 INFO L85 PathProgramCache]: Analyzing trace with hash 286315605, now seen corresponding path program 1 times [2021-12-18 11:12:52,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:12:52,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201121047] [2021-12-18 11:12:52,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:12:52,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:12:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:12:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:12:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:12:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:12:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:12:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:12:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:12:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:12:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:12:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:12:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:12:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:12:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:12:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:12:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:12:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:12:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:12:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:12:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:12:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:12:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:12:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:12:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:12:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 11:12:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 11:12:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:12:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 11:12:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 11:12:52,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 11:12:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 11:12:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 11:12:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 11:12:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-18 11:12:52,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 11:12:52,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:52,971 INFO L134 CoverageAnalysis]: Checked inductivity of 3437 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3435 trivial. 0 not checked. [2021-12-18 11:12:52,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:12:52,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201121047] [2021-12-18 11:12:52,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201121047] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:12:52,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:12:52,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:12:52,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505944680] [2021-12-18 11:12:52,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:12:52,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:12:52,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:12:52,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:12:52,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:12:52,975 INFO L87 Difference]: Start difference. First operand 13655 states and 18907 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-18 11:12:55,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:12:55,106 INFO L93 Difference]: Finished difference Result 13721 states and 19035 transitions. [2021-12-18 11:12:55,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 11:12:55,107 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 378 [2021-12-18 11:12:55,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:12:55,154 INFO L225 Difference]: With dead ends: 13721 [2021-12-18 11:12:55,154 INFO L226 Difference]: Without dead ends: 13719 [2021-12-18 11:12:55,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 125 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 11:12:55,164 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 828 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 828 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-18 11:12:55,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [828 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-18 11:12:55,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13719 states. [2021-12-18 11:12:55,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13719 to 13659. [2021-12-18 11:12:55,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13659 states, 10192 states have (on average 1.3149529042386185) internal successors, (13402), 10405 states have internal predecessors, (13402), 2745 states have call successors, (2745), 724 states have call predecessors, (2745), 719 states have return successors, (2763), 2715 states have call predecessors, (2763), 2741 states have call successors, (2763) [2021-12-18 11:12:55,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13659 states to 13659 states and 18910 transitions. [2021-12-18 11:12:55,510 INFO L78 Accepts]: Start accepts. Automaton has 13659 states and 18910 transitions. Word has length 378 [2021-12-18 11:12:55,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:12:55,511 INFO L470 AbstractCegarLoop]: Abstraction has 13659 states and 18910 transitions. [2021-12-18 11:12:55,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-18 11:12:55,511 INFO L276 IsEmpty]: Start isEmpty. Operand 13659 states and 18910 transitions. [2021-12-18 11:12:55,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2021-12-18 11:12:55,515 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:12:55,516 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 3, 3, 3, 3, 2, 2, 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] [2021-12-18 11:12:55,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 11:12:55,516 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 11:12:55,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:12:55,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1817836318, now seen corresponding path program 1 times [2021-12-18 11:12:55,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:12:55,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316010875] [2021-12-18 11:12:55,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:12:55,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:12:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:12:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:12:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:12:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:12:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:12:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:12:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:12:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:12:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:12:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:12:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:12:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:12:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:55,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:12:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:12:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:12:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:12:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:12:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:55,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:12:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:12:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:12:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:12:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:12:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:12:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 11:12:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 11:12:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:12:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 11:12:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 11:12:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 11:12:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 11:12:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 11:12:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 11:12:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-18 11:12:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 11:12:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 11:12:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:56,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3443 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3439 trivial. 0 not checked. [2021-12-18 11:12:56,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:12:56,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316010875] [2021-12-18 11:12:56,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316010875] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:12:56,167 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:12:56,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:12:56,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622854484] [2021-12-18 11:12:56,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:12:56,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:12:56,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:12:56,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:12:56,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:12:56,168 INFO L87 Difference]: Start difference. First operand 13659 states and 18910 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-18 11:12:58,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:12:58,184 INFO L93 Difference]: Finished difference Result 13725 states and 19038 transitions. [2021-12-18 11:12:58,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 11:12:58,184 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 383 [2021-12-18 11:12:58,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:12:58,226 INFO L225 Difference]: With dead ends: 13725 [2021-12-18 11:12:58,227 INFO L226 Difference]: Without dead ends: 13723 [2021-12-18 11:12:58,234 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 127 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 11:12:58,235 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 827 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 827 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-18 11:12:58,235 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [827 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-18 11:12:58,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13723 states. [2021-12-18 11:12:58,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13723 to 13663. [2021-12-18 11:12:58,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13663 states, 10195 states have (on average 1.3148602256007846) internal successors, (13405), 10408 states have internal predecessors, (13405), 2745 states have call successors, (2745), 725 states have call predecessors, (2745), 720 states have return successors, (2763), 2715 states have call predecessors, (2763), 2741 states have call successors, (2763) [2021-12-18 11:12:58,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13663 states to 13663 states and 18913 transitions. [2021-12-18 11:12:58,640 INFO L78 Accepts]: Start accepts. Automaton has 13663 states and 18913 transitions. Word has length 383 [2021-12-18 11:12:58,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:12:58,641 INFO L470 AbstractCegarLoop]: Abstraction has 13663 states and 18913 transitions. [2021-12-18 11:12:58,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-18 11:12:58,642 INFO L276 IsEmpty]: Start isEmpty. Operand 13663 states and 18913 transitions. [2021-12-18 11:12:58,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2021-12-18 11:12:58,647 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:12:58,648 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 4, 3, 3, 3, 3, 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] [2021-12-18 11:12:58,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 11:12:58,648 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 11:12:58,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:12:58,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1065827381, now seen corresponding path program 1 times [2021-12-18 11:12:58,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:12:58,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463988681] [2021-12-18 11:12:58,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:12:58,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:12:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:12:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:12:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:12:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:12:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:12:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:12:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:12:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:58,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:12:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:12:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:12:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:12:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:12:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:12:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:12:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:12:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:12:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:12:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:12:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:12:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:12:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:12:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:12:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:12:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 11:12:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 11:12:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:12:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 11:12:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 11:12:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 11:12:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 11:12:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:59,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 11:12:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 11:12:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-18 11:12:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 11:12:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 11:12:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 11:12:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,348 INFO L134 CoverageAnalysis]: Checked inductivity of 3453 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3447 trivial. 0 not checked. [2021-12-18 11:12:59,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:12:59,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463988681] [2021-12-18 11:12:59,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463988681] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:12:59,349 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:12:59,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:12:59,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514020805] [2021-12-18 11:12:59,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:12:59,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:12:59,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:12:59,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:12:59,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:12:59,350 INFO L87 Difference]: Start difference. First operand 13663 states and 18913 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-12-18 11:13:01,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:13:01,407 INFO L93 Difference]: Finished difference Result 13729 states and 19041 transitions. [2021-12-18 11:13:01,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 11:13:01,408 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 388 [2021-12-18 11:13:01,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:13:01,452 INFO L225 Difference]: With dead ends: 13729 [2021-12-18 11:13:01,453 INFO L226 Difference]: Without dead ends: 13727 [2021-12-18 11:13:01,461 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 129 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 11:13:01,462 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 826 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 826 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-18 11:13:01,462 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [826 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-18 11:13:01,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13727 states. [2021-12-18 11:13:01,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13727 to 13667. [2021-12-18 11:13:01,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13667 states, 10198 states have (on average 1.3147676014904883) internal successors, (13408), 10411 states have internal predecessors, (13408), 2745 states have call successors, (2745), 726 states have call predecessors, (2745), 721 states have return successors, (2763), 2715 states have call predecessors, (2763), 2741 states have call successors, (2763) [2021-12-18 11:13:01,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13667 states to 13667 states and 18916 transitions. [2021-12-18 11:13:01,894 INFO L78 Accepts]: Start accepts. Automaton has 13667 states and 18916 transitions. Word has length 388 [2021-12-18 11:13:01,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:13:01,895 INFO L470 AbstractCegarLoop]: Abstraction has 13667 states and 18916 transitions. [2021-12-18 11:13:01,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-12-18 11:13:01,895 INFO L276 IsEmpty]: Start isEmpty. Operand 13667 states and 18916 transitions. [2021-12-18 11:13:01,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2021-12-18 11:13:01,901 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:13:01,901 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 5, 4, 4, 4, 4, 4, 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] [2021-12-18 11:13:01,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 11:13:01,902 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 11:13:01,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:13:01,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1448917494, now seen corresponding path program 1 times [2021-12-18 11:13:01,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:13:01,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700078607] [2021-12-18 11:13:01,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:13:01,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:13:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:13:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:13:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:13:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:13:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:13:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:13:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:13:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:13:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:13:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:13:02,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:13:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:13:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:13:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:13:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:13:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:13:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:13:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:13:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:13:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:13:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:13:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:13:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:13:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 11:13:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 11:13:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:13:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 11:13:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 11:13:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 11:13:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 11:13:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 11:13:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 11:13:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-12-18 11:13:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-18 11:13:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 11:13:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 11:13:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-12-18 11:13:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-12-18 11:13:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-18 11:13:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-18 11:13:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:02,377 INFO L134 CoverageAnalysis]: Checked inductivity of 3472 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3459 trivial. 0 not checked. [2021-12-18 11:13:02,378 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:13:02,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700078607] [2021-12-18 11:13:02,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700078607] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:13:02,378 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:13:02,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 11:13:02,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229414777] [2021-12-18 11:13:02,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:13:02,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 11:13:02,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:13:02,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 11:13:02,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:13:02,380 INFO L87 Difference]: Start difference. First operand 13667 states and 18916 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-18 11:13:08,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:13:08,556 INFO L93 Difference]: Finished difference Result 31300 states and 43429 transitions. [2021-12-18 11:13:08,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 11:13:08,557 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 406 [2021-12-18 11:13:08,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:13:08,675 INFO L225 Difference]: With dead ends: 31300 [2021-12-18 11:13:08,675 INFO L226 Difference]: Without dead ends: 19506 [2021-12-18 11:13:08,717 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 139 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 11:13:08,719 INFO L933 BasicCegarLoop]: 5115 mSDtfsCounter, 4172 mSDsluCounter, 3212 mSDsCounter, 0 mSdLazyCounter, 5099 mSolverCounterSat, 2264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4481 SdHoareTripleChecker+Valid, 8327 SdHoareTripleChecker+Invalid, 7363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2264 IncrementalHoareTripleChecker+Valid, 5099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2021-12-18 11:13:08,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4481 Valid, 8327 Invalid, 7363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2264 Valid, 5099 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2021-12-18 11:13:08,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19506 states. [2021-12-18 11:13:09,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19506 to 19381. [2021-12-18 11:13:09,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19381 states, 14472 states have (on average 1.3158512990602542) internal successors, (19043), 14771 states have internal predecessors, (19043), 3885 states have call successors, (3885), 1027 states have call predecessors, (3885), 1021 states have return successors, (3913), 3849 states have call predecessors, (3913), 3881 states have call successors, (3913) [2021-12-18 11:13:09,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19381 states to 19381 states and 26841 transitions. [2021-12-18 11:13:09,436 INFO L78 Accepts]: Start accepts. Automaton has 19381 states and 26841 transitions. Word has length 406 [2021-12-18 11:13:09,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:13:09,437 INFO L470 AbstractCegarLoop]: Abstraction has 19381 states and 26841 transitions. [2021-12-18 11:13:09,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-18 11:13:09,437 INFO L276 IsEmpty]: Start isEmpty. Operand 19381 states and 26841 transitions. [2021-12-18 11:13:09,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2021-12-18 11:13:09,443 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:13:09,443 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 5, 4, 4, 3, 3, 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] [2021-12-18 11:13:09,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 11:13:09,443 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 11:13:09,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:13:09,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1083160706, now seen corresponding path program 1 times [2021-12-18 11:13:09,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:13:09,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45614508] [2021-12-18 11:13:09,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:13:09,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:13:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:13:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:13:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:13:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:13:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:13:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:13:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:13:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:13:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:13:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:13:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:13:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:13:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:13:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:13:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:13:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:13:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:09,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:13:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:13:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:13:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:09,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:13:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:13:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:13:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:13:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 11:13:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:09,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 11:13:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:13:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 11:13:09,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 11:13:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 11:13:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 11:13:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 11:13:09,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 11:13:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-18 11:13:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 11:13:09,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 11:13:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 11:13:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-18 11:13:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:09,925 INFO L134 CoverageAnalysis]: Checked inductivity of 3467 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3459 trivial. 0 not checked. [2021-12-18 11:13:09,925 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:13:09,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45614508] [2021-12-18 11:13:09,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45614508] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:13:09,926 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:13:09,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:13:09,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497297835] [2021-12-18 11:13:09,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:13:09,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:13:09,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:13:09,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:13:09,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:13:09,927 INFO L87 Difference]: Start difference. First operand 19381 states and 26841 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-12-18 11:13:12,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:13:12,405 INFO L93 Difference]: Finished difference Result 19471 states and 27009 transitions. [2021-12-18 11:13:12,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 11:13:12,406 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 393 [2021-12-18 11:13:12,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:13:12,459 INFO L225 Difference]: With dead ends: 19471 [2021-12-18 11:13:12,459 INFO L226 Difference]: Without dead ends: 19469 [2021-12-18 11:13:12,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 131 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 11:13:12,470 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 825 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 825 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-18 11:13:12,470 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [825 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-18 11:13:12,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19469 states. [2021-12-18 11:13:13,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19469 to 19385. [2021-12-18 11:13:13,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19385 states, 14475 states have (on average 1.3157858376511227) internal successors, (19046), 14774 states have internal predecessors, (19046), 3885 states have call successors, (3885), 1028 states have call predecessors, (3885), 1022 states have return successors, (3913), 3849 states have call predecessors, (3913), 3881 states have call successors, (3913) [2021-12-18 11:13:13,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19385 states to 19385 states and 26844 transitions. [2021-12-18 11:13:13,206 INFO L78 Accepts]: Start accepts. Automaton has 19385 states and 26844 transitions. Word has length 393 [2021-12-18 11:13:13,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:13:13,206 INFO L470 AbstractCegarLoop]: Abstraction has 19385 states and 26844 transitions. [2021-12-18 11:13:13,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-12-18 11:13:13,207 INFO L276 IsEmpty]: Start isEmpty. Operand 19385 states and 26844 transitions. [2021-12-18 11:13:13,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2021-12-18 11:13:13,214 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:13:13,215 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 6, 5, 5, 3, 3, 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] [2021-12-18 11:13:13,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 11:13:13,215 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 11:13:13,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:13:13,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1057555435, now seen corresponding path program 1 times [2021-12-18 11:13:13,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:13:13,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415850071] [2021-12-18 11:13:13,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:13:13,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:13:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:13:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:13:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:13:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:13:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:13:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:13:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:13:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:13:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:13:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:13:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:13:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:13:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:13:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:13:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:13,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:13:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:13:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:13:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:13:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:13:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:13:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:13:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:13:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:13:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 11:13:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 11:13:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:13:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 11:13:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 11:13:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 11:13:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 11:13:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 11:13:13,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 11:13:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-18 11:13:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 11:13:13,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 11:13:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 11:13:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-18 11:13:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-12-18 11:13:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:13,899 INFO L134 CoverageAnalysis]: Checked inductivity of 3485 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3475 trivial. 0 not checked. [2021-12-18 11:13:13,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:13:13,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415850071] [2021-12-18 11:13:13,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415850071] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:13:13,900 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:13:13,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:13:13,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75322152] [2021-12-18 11:13:13,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:13:13,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:13:13,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:13:13,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:13:13,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:13:13,902 INFO L87 Difference]: Start difference. First operand 19385 states and 26844 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-18 11:13:16,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:13:16,081 INFO L93 Difference]: Finished difference Result 19475 states and 27012 transitions. [2021-12-18 11:13:16,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 11:13:16,082 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 398 [2021-12-18 11:13:16,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:13:16,146 INFO L225 Difference]: With dead ends: 19475 [2021-12-18 11:13:16,146 INFO L226 Difference]: Without dead ends: 19473 [2021-12-18 11:13:16,159 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 133 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 11:13:16,160 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 824 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 824 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-18 11:13:16,160 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [824 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-18 11:13:16,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19473 states. [2021-12-18 11:13:16,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19473 to 19389. [2021-12-18 11:13:16,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19389 states, 14478 states have (on average 1.3157204033706313) internal successors, (19049), 14777 states have internal predecessors, (19049), 3885 states have call successors, (3885), 1029 states have call predecessors, (3885), 1023 states have return successors, (3913), 3849 states have call predecessors, (3913), 3881 states have call successors, (3913) [2021-12-18 11:13:16,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19389 states to 19389 states and 26847 transitions. [2021-12-18 11:13:16,859 INFO L78 Accepts]: Start accepts. Automaton has 19389 states and 26847 transitions. Word has length 398 [2021-12-18 11:13:16,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:13:16,860 INFO L470 AbstractCegarLoop]: Abstraction has 19389 states and 26847 transitions. [2021-12-18 11:13:16,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-18 11:13:16,860 INFO L276 IsEmpty]: Start isEmpty. Operand 19389 states and 26847 transitions. [2021-12-18 11:13:16,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2021-12-18 11:13:16,868 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:13:16,868 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 7, 6, 6, 3, 3, 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] [2021-12-18 11:13:16,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 11:13:16,869 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 11:13:16,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:13:16,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1198058462, now seen corresponding path program 1 times [2021-12-18 11:13:16,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:13:16,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199437905] [2021-12-18 11:13:16,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:13:16,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:13:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:13:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:13:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:13:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:13:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:13:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:13:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:13:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:13:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:13:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:13:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:13:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:13:17,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:13:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:13:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:13:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:13:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:13:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:13:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:13:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:13:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:13:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:13:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:13:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 11:13:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 11:13:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:13:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 11:13:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 11:13:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 11:13:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 11:13:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 11:13:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 11:13:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-18 11:13:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 11:13:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 11:13:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 11:13:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-18 11:13:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-12-18 11:13:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-18 11:13:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:17,425 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3495 trivial. 0 not checked. [2021-12-18 11:13:17,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:13:17,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199437905] [2021-12-18 11:13:17,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199437905] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:13:17,426 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:13:17,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:13:17,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051673293] [2021-12-18 11:13:17,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:13:17,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:13:17,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:13:17,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:13:17,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:13:17,428 INFO L87 Difference]: Start difference. First operand 19389 states and 26847 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-18 11:13:19,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:13:19,953 INFO L93 Difference]: Finished difference Result 19479 states and 27015 transitions. [2021-12-18 11:13:19,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 11:13:19,954 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 403 [2021-12-18 11:13:19,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:13:20,014 INFO L225 Difference]: With dead ends: 19479 [2021-12-18 11:13:20,014 INFO L226 Difference]: Without dead ends: 19477 [2021-12-18 11:13:20,027 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 135 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 11:13:20,028 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 823 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 823 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-18 11:13:20,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [823 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-18 11:13:20,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19477 states. [2021-12-18 11:13:20,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19477 to 19393. [2021-12-18 11:13:20,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19393 states, 14481 states have (on average 1.3156549962019197) internal successors, (19052), 14780 states have internal predecessors, (19052), 3885 states have call successors, (3885), 1030 states have call predecessors, (3885), 1024 states have return successors, (3913), 3849 states have call predecessors, (3913), 3881 states have call successors, (3913) [2021-12-18 11:13:20,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19393 states to 19393 states and 26850 transitions. [2021-12-18 11:13:20,730 INFO L78 Accepts]: Start accepts. Automaton has 19393 states and 26850 transitions. Word has length 403 [2021-12-18 11:13:20,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:13:20,736 INFO L470 AbstractCegarLoop]: Abstraction has 19393 states and 26850 transitions. [2021-12-18 11:13:20,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-18 11:13:20,737 INFO L276 IsEmpty]: Start isEmpty. Operand 19393 states and 26850 transitions. [2021-12-18 11:13:20,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2021-12-18 11:13:20,744 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:13:20,745 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 8, 7, 7, 3, 3, 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] [2021-12-18 11:13:20,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 11:13:20,745 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 11:13:20,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:13:20,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1886252043, now seen corresponding path program 1 times [2021-12-18 11:13:20,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:13:20,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292954643] [2021-12-18 11:13:20,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:13:20,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:13:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:20,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:13:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:20,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:20,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:20,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:13:20,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:20,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:20,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:13:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:20,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:20,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:13:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:20,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:13:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:13:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:13:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:13:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:13:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:13:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:13:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:13:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:13:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:13:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:13:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:13:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:13:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:13:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:13:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:13:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:13:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:13:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:13:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 11:13:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 11:13:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:13:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 11:13:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 11:13:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 11:13:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 11:13:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 11:13:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 11:13:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-18 11:13:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 11:13:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 11:13:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 11:13:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-18 11:13:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-12-18 11:13:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-18 11:13:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-18 11:13:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:21,520 INFO L134 CoverageAnalysis]: Checked inductivity of 3533 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3519 trivial. 0 not checked. [2021-12-18 11:13:21,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:13:21,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292954643] [2021-12-18 11:13:21,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292954643] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:13:21,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:13:21,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:13:21,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657980757] [2021-12-18 11:13:21,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:13:21,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:13:21,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:13:21,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:13:21,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:13:21,522 INFO L87 Difference]: Start difference. First operand 19393 states and 26850 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 11:13:23,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:13:23,789 INFO L93 Difference]: Finished difference Result 20984 states and 28843 transitions. [2021-12-18 11:13:23,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 11:13:23,789 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 408 [2021-12-18 11:13:23,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:13:23,860 INFO L225 Difference]: With dead ends: 20984 [2021-12-18 11:13:23,860 INFO L226 Difference]: Without dead ends: 20982 [2021-12-18 11:13:23,873 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 137 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 11:13:23,874 INFO L933 BasicCegarLoop]: 2870 mSDtfsCounter, 3025 mSDsluCounter, 5872 mSDsCounter, 0 mSdLazyCounter, 2386 mSolverCounterSat, 810 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3300 SdHoareTripleChecker+Valid, 8742 SdHoareTripleChecker+Invalid, 3196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 810 IncrementalHoareTripleChecker+Valid, 2386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-18 11:13:23,875 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3300 Valid, 8742 Invalid, 3196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [810 Valid, 2386 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-18 11:13:23,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20982 states. [2021-12-18 11:13:24,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20982 to 20846. [2021-12-18 11:13:24,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20846 states, 15537 states have (on average 1.3118362618266075) internal successors, (20382), 15859 states have internal predecessors, (20382), 4115 states have call successors, (4115), 1197 states have call predecessors, (4115), 1191 states have return successors, (4143), 4076 states have call predecessors, (4143), 4111 states have call successors, (4143) [2021-12-18 11:13:24,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20846 states to 20846 states and 28640 transitions. [2021-12-18 11:13:24,764 INFO L78 Accepts]: Start accepts. Automaton has 20846 states and 28640 transitions. Word has length 408 [2021-12-18 11:13:24,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:13:24,765 INFO L470 AbstractCegarLoop]: Abstraction has 20846 states and 28640 transitions. [2021-12-18 11:13:24,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 11:13:24,765 INFO L276 IsEmpty]: Start isEmpty. Operand 20846 states and 28640 transitions. [2021-12-18 11:13:24,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2021-12-18 11:13:24,773 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:13:24,773 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 9, 8, 8, 3, 3, 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] [2021-12-18 11:13:24,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 11:13:24,773 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 11:13:24,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:13:24,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1865803838, now seen corresponding path program 1 times [2021-12-18 11:13:24,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:13:24,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507446443] [2021-12-18 11:13:24,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:13:24,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:13:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:24,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:13:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:24,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:24,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:13:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:24,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:24,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:13:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:24,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:24,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:13:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:24,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:24,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:13:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:24,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:24,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:13:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:24,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:13:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:13:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:13:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:13:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:13:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:13:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:13:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:13:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:13:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:13:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:13:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:13:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:13:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:13:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:13:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:13:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:13:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 11:13:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 11:13:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:13:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 11:13:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 11:13:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 11:13:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 11:13:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 11:13:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 11:13:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-18 11:13:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 11:13:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 11:13:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 11:13:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-18 11:13:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-12-18 11:13:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-18 11:13:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-18 11:13:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-18 11:13:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:25,366 INFO L134 CoverageAnalysis]: Checked inductivity of 3563 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3547 trivial. 0 not checked. [2021-12-18 11:13:25,366 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:13:25,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507446443] [2021-12-18 11:13:25,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507446443] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:13:25,366 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:13:25,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:13:25,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001097796] [2021-12-18 11:13:25,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:13:25,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:13:25,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:13:25,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:13:25,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:13:25,369 INFO L87 Difference]: Start difference. First operand 20846 states and 28640 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-12-18 11:13:27,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:13:27,912 INFO L93 Difference]: Finished difference Result 20988 states and 28846 transitions. [2021-12-18 11:13:27,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 11:13:27,912 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 413 [2021-12-18 11:13:27,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:13:27,970 INFO L225 Difference]: With dead ends: 20988 [2021-12-18 11:13:27,971 INFO L226 Difference]: Without dead ends: 20986 [2021-12-18 11:13:27,984 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 139 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 11:13:27,985 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 821 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 821 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-18 11:13:27,985 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [821 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-18 11:13:28,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20986 states. [2021-12-18 11:13:28,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20986 to 20850. [2021-12-18 11:13:28,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20850 states, 15540 states have (on average 1.3117760617760619) internal successors, (20385), 15862 states have internal predecessors, (20385), 4115 states have call successors, (4115), 1198 states have call predecessors, (4115), 1192 states have return successors, (4143), 4076 states have call predecessors, (4143), 4111 states have call successors, (4143) [2021-12-18 11:13:28,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20850 states to 20850 states and 28643 transitions. [2021-12-18 11:13:28,699 INFO L78 Accepts]: Start accepts. Automaton has 20850 states and 28643 transitions. Word has length 413 [2021-12-18 11:13:28,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:13:28,700 INFO L470 AbstractCegarLoop]: Abstraction has 20850 states and 28643 transitions. [2021-12-18 11:13:28,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-12-18 11:13:28,700 INFO L276 IsEmpty]: Start isEmpty. Operand 20850 states and 28643 transitions. [2021-12-18 11:13:28,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2021-12-18 11:13:28,708 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:13:28,709 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 10, 9, 9, 3, 3, 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] [2021-12-18 11:13:28,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-18 11:13:28,709 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 11:13:28,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:13:28,709 INFO L85 PathProgramCache]: Analyzing trace with hash 252347349, now seen corresponding path program 1 times [2021-12-18 11:13:28,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:13:28,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272279409] [2021-12-18 11:13:28,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:13:28,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:13:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:13:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:13:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:13:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:13:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:13:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:13:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:13:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:13:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:13:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:13:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:13:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:13:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:13:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:13:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:13:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:13:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:13:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:13:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:13:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:28,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:13:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:13:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:13:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:13:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 11:13:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 11:13:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:13:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 11:13:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 11:13:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 11:13:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 11:13:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 11:13:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 11:13:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-18 11:13:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 11:13:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 11:13:29,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 11:13:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-18 11:13:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-12-18 11:13:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-18 11:13:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-18 11:13:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-18 11:13:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-12-18 11:13:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:29,167 INFO L134 CoverageAnalysis]: Checked inductivity of 3597 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 3579 trivial. 0 not checked. [2021-12-18 11:13:29,167 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:13:29,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272279409] [2021-12-18 11:13:29,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272279409] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:13:29,168 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:13:29,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:13:29,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589270416] [2021-12-18 11:13:29,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:13:29,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:13:29,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:13:29,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:13:29,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:13:29,169 INFO L87 Difference]: Start difference. First operand 20850 states and 28643 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-12-18 11:13:31,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:13:31,501 INFO L93 Difference]: Finished difference Result 20992 states and 28849 transitions. [2021-12-18 11:13:31,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 11:13:31,511 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 418 [2021-12-18 11:13:31,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:13:31,585 INFO L225 Difference]: With dead ends: 20992 [2021-12-18 11:13:31,585 INFO L226 Difference]: Without dead ends: 20990 [2021-12-18 11:13:31,601 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 141 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 11:13:31,602 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 820 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 820 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-18 11:13:31,602 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [820 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-18 11:13:31,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20990 states. [2021-12-18 11:13:32,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20990 to 20854. [2021-12-18 11:13:32,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20854 states, 15543 states have (on average 1.3117158849642927) internal successors, (20388), 15865 states have internal predecessors, (20388), 4115 states have call successors, (4115), 1199 states have call predecessors, (4115), 1193 states have return successors, (4143), 4076 states have call predecessors, (4143), 4111 states have call successors, (4143) [2021-12-18 11:13:32,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20854 states to 20854 states and 28646 transitions. [2021-12-18 11:13:32,334 INFO L78 Accepts]: Start accepts. Automaton has 20854 states and 28646 transitions. Word has length 418 [2021-12-18 11:13:32,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:13:32,335 INFO L470 AbstractCegarLoop]: Abstraction has 20854 states and 28646 transitions. [2021-12-18 11:13:32,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-12-18 11:13:32,335 INFO L276 IsEmpty]: Start isEmpty. Operand 20854 states and 28646 transitions. [2021-12-18 11:13:32,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2021-12-18 11:13:32,345 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:13:32,345 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 11, 10, 10, 3, 3, 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] [2021-12-18 11:13:32,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-18 11:13:32,345 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 11:13:32,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:13:32,346 INFO L85 PathProgramCache]: Analyzing trace with hash -457784478, now seen corresponding path program 1 times [2021-12-18 11:13:32,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:13:32,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845125216] [2021-12-18 11:13:32,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:13:32,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:13:32,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:13:32,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:13:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:13:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:13:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:13:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:32,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:13:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:13:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:13:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:13:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:13:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:13:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:13:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:13:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:13:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:32,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:13:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:13:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:13:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:13:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:13:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:13:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:13:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:13:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:13:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 11:13:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 11:13:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:13:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 11:13:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 11:13:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 11:13:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 11:13:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 11:13:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 11:13:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-18 11:13:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 11:13:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 11:13:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 11:13:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-18 11:13:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-12-18 11:13:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-18 11:13:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-18 11:13:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-18 11:13:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-12-18 11:13:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 11:13:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:32,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3635 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 3615 trivial. 0 not checked. [2021-12-18 11:13:32,894 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:13:32,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845125216] [2021-12-18 11:13:32,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845125216] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:13:32,896 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:13:32,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:13:32,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455669320] [2021-12-18 11:13:32,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:13:32,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:13:32,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:13:32,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:13:32,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:13:32,897 INFO L87 Difference]: Start difference. First operand 20854 states and 28646 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-12-18 11:13:35,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:13:35,024 INFO L93 Difference]: Finished difference Result 20996 states and 28852 transitions. [2021-12-18 11:13:35,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 11:13:35,024 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 423 [2021-12-18 11:13:35,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:13:35,096 INFO L225 Difference]: With dead ends: 20996 [2021-12-18 11:13:35,096 INFO L226 Difference]: Without dead ends: 20994 [2021-12-18 11:13:35,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 143 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 11:13:35,113 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 819 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 819 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-18 11:13:35,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [819 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-18 11:13:35,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20994 states. [2021-12-18 11:13:35,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20994 to 20858. [2021-12-18 11:13:35,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20858 states, 15546 states have (on average 1.3116557313778463) internal successors, (20391), 15868 states have internal predecessors, (20391), 4115 states have call successors, (4115), 1200 states have call predecessors, (4115), 1194 states have return successors, (4143), 4076 states have call predecessors, (4143), 4111 states have call successors, (4143) [2021-12-18 11:13:35,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20858 states to 20858 states and 28649 transitions. [2021-12-18 11:13:35,855 INFO L78 Accepts]: Start accepts. Automaton has 20858 states and 28649 transitions. Word has length 423 [2021-12-18 11:13:35,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:13:35,856 INFO L470 AbstractCegarLoop]: Abstraction has 20858 states and 28649 transitions. [2021-12-18 11:13:35,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-12-18 11:13:35,856 INFO L276 IsEmpty]: Start isEmpty. Operand 20858 states and 28649 transitions. [2021-12-18 11:13:35,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2021-12-18 11:13:35,867 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:13:35,867 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 27, 27, 27, 27, 27, 27, 12, 11, 11, 5, 5, 5, 3, 3, 3, 3, 3, 3, 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 11:13:35,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-18 11:13:35,868 INFO L402 AbstractCegarLoop]: === Iteration 17 === 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 11:13:35,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:13:35,868 INFO L85 PathProgramCache]: Analyzing trace with hash 31048061, now seen corresponding path program 1 times [2021-12-18 11:13:35,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:13:35,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122209383] [2021-12-18 11:13:35,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:13:35,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:13:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:13:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:13:36,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:13:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:13:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:13:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:13:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:13:36,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:13:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:13:36,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:13:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:36,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:13:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:13:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:13:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:13:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:13:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:36,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:13:36,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:13:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:13:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:13:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:13:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:13:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:36,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:13:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:13:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 11:13:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 11:13:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:13:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 11:13:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 11:13:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 11:13:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 11:13:36,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 11:13:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 11:13:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-18 11:13:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-12-18 11:13:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 11:13:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-12-18 11:13:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 11:13:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 11:13:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 11:13:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-12-18 11:13:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 11:13:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-12-18 11:13:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-18 11:13:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-18 11:13:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-12-18 11:13:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-12-18 11:13:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-18 11:13:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-12-18 11:13:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-18 11:13:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-12-18 11:13:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:36,539 INFO L134 CoverageAnalysis]: Checked inductivity of 3900 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3878 trivial. 0 not checked. [2021-12-18 11:13:36,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:13:36,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122209383] [2021-12-18 11:13:36,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122209383] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:13:36,539 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:13:36,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 11:13:36,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502599921] [2021-12-18 11:13:36,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:13:36,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 11:13:36,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:13:36,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 11:13:36,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 11:13:36,542 INFO L87 Difference]: Start difference. First operand 20858 states and 28649 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (52), 5 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 11:13:41,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:13:41,604 INFO L93 Difference]: Finished difference Result 21000 states and 28855 transitions. [2021-12-18 11:13:41,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 11:13:41,605 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (52), 5 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 468 [2021-12-18 11:13:41,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:13:41,661 INFO L225 Difference]: With dead ends: 21000 [2021-12-18 11:13:41,662 INFO L226 Difference]: Without dead ends: 20998 [2021-12-18 11:13:41,673 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2021-12-18 11:13:41,674 INFO L933 BasicCegarLoop]: 2670 mSDtfsCounter, 4254 mSDsluCounter, 3523 mSDsCounter, 0 mSdLazyCounter, 5244 mSolverCounterSat, 1978 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4388 SdHoareTripleChecker+Valid, 6193 SdHoareTripleChecker+Invalid, 7222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1978 IncrementalHoareTripleChecker+Valid, 5244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-12-18 11:13:41,674 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4388 Valid, 6193 Invalid, 7222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1978 Valid, 5244 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-12-18 11:13:41,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20998 states. [2021-12-18 11:13:42,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20998 to 20862. [2021-12-18 11:13:42,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20862 states, 15549 states have (on average 1.3115956010032799) internal successors, (20394), 15871 states have internal predecessors, (20394), 4115 states have call successors, (4115), 1201 states have call predecessors, (4115), 1195 states have return successors, (4143), 4076 states have call predecessors, (4143), 4111 states have call successors, (4143) [2021-12-18 11:13:42,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20862 states to 20862 states and 28652 transitions. [2021-12-18 11:13:42,338 INFO L78 Accepts]: Start accepts. Automaton has 20862 states and 28652 transitions. Word has length 468 [2021-12-18 11:13:42,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:13:42,338 INFO L470 AbstractCegarLoop]: Abstraction has 20862 states and 28652 transitions. [2021-12-18 11:13:42,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (52), 5 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 11:13:42,338 INFO L276 IsEmpty]: Start isEmpty. Operand 20862 states and 28652 transitions. [2021-12-18 11:13:42,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2021-12-18 11:13:42,348 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:13:42,349 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 5, 5, 5, 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] [2021-12-18 11:13:42,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-18 11:13:42,349 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 11:13:42,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:13:42,349 INFO L85 PathProgramCache]: Analyzing trace with hash 339112681, now seen corresponding path program 1 times [2021-12-18 11:13:42,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:13:42,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613881609] [2021-12-18 11:13:42,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:13:42,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:13:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:13:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:13:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:13:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:13:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:13:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:13:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:13:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:13:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:13:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:13:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:13:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:13:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:13:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:13:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:13:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:13:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:13:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:13:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:13:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:13:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:13:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:13:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:13:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 11:13:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 11:13:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:13:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 11:13:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 11:13:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 11:13:42,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-18 11:13:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 11:13:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 11:13:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-12-18 11:13:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-12-18 11:13:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-12-18 11:13:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-12-18 11:13:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-12-18 11:13:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-18 11:13:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-18 11:13:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-12-18 11:13:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-12-18 11:13:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:42,735 INFO L134 CoverageAnalysis]: Checked inductivity of 3547 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3544 trivial. 0 not checked. [2021-12-18 11:13:42,736 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:13:42,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613881609] [2021-12-18 11:13:42,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613881609] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:13:42,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:13:42,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:13:42,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110277427] [2021-12-18 11:13:42,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:13:42,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:13:42,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:13:42,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:13:42,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:13:42,737 INFO L87 Difference]: Start difference. First operand 20862 states and 28652 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-12-18 11:13:45,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:13:45,589 INFO L93 Difference]: Finished difference Result 46067 states and 63218 transitions. [2021-12-18 11:13:45,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:13:45,590 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 429 [2021-12-18 11:13:45,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:13:45,668 INFO L225 Difference]: With dead ends: 46067 [2021-12-18 11:13:45,669 INFO L226 Difference]: Without dead ends: 27246 [2021-12-18 11:13:45,729 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 140 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 11:13:45,729 INFO L933 BasicCegarLoop]: 4204 mSDtfsCounter, 1842 mSDsluCounter, 4121 mSDsCounter, 0 mSdLazyCounter, 1622 mSolverCounterSat, 622 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2095 SdHoareTripleChecker+Valid, 8325 SdHoareTripleChecker+Invalid, 2244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 622 IncrementalHoareTripleChecker+Valid, 1622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-18 11:13:45,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2095 Valid, 8325 Invalid, 2244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [622 Valid, 1622 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-18 11:13:45,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27246 states. [2021-12-18 11:13:46,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27246 to 26984. [2021-12-18 11:13:46,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26984 states, 20184 states have (on average 1.3105430043598891) internal successors, (26452), 20585 states have internal predecessors, (26452), 5237 states have call successors, (5237), 1568 states have call predecessors, (5237), 1560 states have return successors, (5271), 5185 states have call predecessors, (5271), 5233 states have call successors, (5271) [2021-12-18 11:13:46,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26984 states to 26984 states and 36960 transitions. [2021-12-18 11:13:46,690 INFO L78 Accepts]: Start accepts. Automaton has 26984 states and 36960 transitions. Word has length 429 [2021-12-18 11:13:46,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:13:46,690 INFO L470 AbstractCegarLoop]: Abstraction has 26984 states and 36960 transitions. [2021-12-18 11:13:46,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-12-18 11:13:46,691 INFO L276 IsEmpty]: Start isEmpty. Operand 26984 states and 36960 transitions. [2021-12-18 11:13:46,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2021-12-18 11:13:46,700 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:13:46,700 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 27, 27, 27, 27, 27, 27, 13, 12, 12, 5, 5, 5, 3, 3, 3, 3, 3, 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 11:13:46,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-18 11:13:46,701 INFO L402 AbstractCegarLoop]: === Iteration 19 === 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 11:13:46,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:13:46,701 INFO L85 PathProgramCache]: Analyzing trace with hash -701466667, now seen corresponding path program 1 times [2021-12-18 11:13:46,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:13:46,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512712505] [2021-12-18 11:13:46,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:13:46,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:13:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:13:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:13:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:13:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:13:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:13:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:13:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:13:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:13:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:13:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:13:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:13:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:13:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:13:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:13:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:13:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:13:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:13:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:13:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:46,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:13:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:13:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:13:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:13:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:13:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 11:13:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 11:13:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:13:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:47,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 11:13:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 11:13:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 11:13:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 11:13:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:47,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 11:13:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 11:13:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-18 11:13:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-12-18 11:13:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 11:13:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-12-18 11:13:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-12-18 11:13:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 11:13:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 11:13:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-12-18 11:13:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-18 11:13:47,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-12-18 11:13:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-12-18 11:13:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 11:13:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-12-18 11:13:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-18 11:13:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 11:13:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-12-18 11:13:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-12-18 11:13:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-18 11:13:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-12-18 11:13:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:47,232 INFO L134 CoverageAnalysis]: Checked inductivity of 3944 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 3909 trivial. 0 not checked. [2021-12-18 11:13:47,232 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:13:47,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512712505] [2021-12-18 11:13:47,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512712505] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:13:47,232 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:13:47,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 11:13:47,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731558611] [2021-12-18 11:13:47,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:13:47,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 11:13:47,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:13:47,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 11:13:47,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:13:47,235 INFO L87 Difference]: Start difference. First operand 26984 states and 36960 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (54), 4 states have call predecessors, (54), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2021-12-18 11:13:53,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:13:53,611 INFO L93 Difference]: Finished difference Result 60379 states and 82710 transitions. [2021-12-18 11:13:53,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 11:13:53,611 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (54), 4 states have call predecessors, (54), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 472 [2021-12-18 11:13:53,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:13:53,722 INFO L225 Difference]: With dead ends: 60379 [2021-12-18 11:13:53,722 INFO L226 Difference]: Without dead ends: 35436 [2021-12-18 11:13:53,784 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 11:13:53,785 INFO L933 BasicCegarLoop]: 4986 mSDtfsCounter, 4366 mSDsluCounter, 3210 mSDsCounter, 0 mSdLazyCounter, 5035 mSolverCounterSat, 2305 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4676 SdHoareTripleChecker+Valid, 8196 SdHoareTripleChecker+Invalid, 7340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2305 IncrementalHoareTripleChecker+Valid, 5035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-12-18 11:13:53,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4676 Valid, 8196 Invalid, 7340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2305 Valid, 5035 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2021-12-18 11:13:53,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35436 states. [2021-12-18 11:13:55,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35436 to 35123. [2021-12-18 11:13:55,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35123 states, 26275 states have (on average 1.3110941960038058) internal successors, (34449), 26792 states have internal predecessors, (34449), 6813 states have call successors, (6813), 2045 states have call predecessors, (6813), 2032 states have return successors, (6859), 6749 states have call predecessors, (6859), 6809 states have call successors, (6859) [2021-12-18 11:13:55,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35123 states to 35123 states and 48121 transitions. [2021-12-18 11:13:55,137 INFO L78 Accepts]: Start accepts. Automaton has 35123 states and 48121 transitions. Word has length 472 [2021-12-18 11:13:55,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:13:55,138 INFO L470 AbstractCegarLoop]: Abstraction has 35123 states and 48121 transitions. [2021-12-18 11:13:55,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (54), 4 states have call predecessors, (54), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2021-12-18 11:13:55,138 INFO L276 IsEmpty]: Start isEmpty. Operand 35123 states and 48121 transitions. [2021-12-18 11:13:55,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2021-12-18 11:13:55,146 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:13:55,147 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 27, 27, 27, 27, 27, 27, 13, 12, 12, 5, 5, 5, 3, 3, 3, 3, 3, 3, 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 11:13:55,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-18 11:13:55,147 INFO L402 AbstractCegarLoop]: === Iteration 20 === 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 11:13:55,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:13:55,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1848771014, now seen corresponding path program 1 times [2021-12-18 11:13:55,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:13:55,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862927693] [2021-12-18 11:13:55,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:13:55,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:13:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:13:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:13:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:13:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:13:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:13:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:13:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:13:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:13:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:13:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:13:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:13:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:13:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:13:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:13:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:13:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:13:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:13:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:13:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:13:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:13:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:13:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:13:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:55,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:13:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 11:13:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 11:13:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:13:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 11:13:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 11:13:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 11:13:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 11:13:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:13:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 11:13:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 11:13:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-18 11:13:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-12-18 11:13:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 11:13:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-12-18 11:13:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 11:13:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 11:13:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 11:13:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-12-18 11:13:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 11:13:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-12-18 11:13:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-18 11:13:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-18 11:13:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-12-18 11:13:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-12-18 11:13:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-18 11:13:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-12-18 11:13:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-18 11:13:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-12-18 11:13:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-18 11:13:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:13:55,620 INFO L134 CoverageAnalysis]: Checked inductivity of 3946 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3922 trivial. 0 not checked. [2021-12-18 11:13:55,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:13:55,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862927693] [2021-12-18 11:13:55,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862927693] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:13:55,621 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:13:55,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 11:13:55,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432028980] [2021-12-18 11:13:55,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:13:55,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 11:13:55,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:13:55,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 11:13:55,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 11:13:55,622 INFO L87 Difference]: Start difference. First operand 35123 states and 48121 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (53), 5 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 11:14:00,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:14:00,532 INFO L93 Difference]: Finished difference Result 35369 states and 48451 transitions. [2021-12-18 11:14:00,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 11:14:00,533 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (53), 5 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 473 [2021-12-18 11:14:00,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:14:00,628 INFO L225 Difference]: With dead ends: 35369 [2021-12-18 11:14:00,628 INFO L226 Difference]: Without dead ends: 35367 [2021-12-18 11:14:00,642 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2021-12-18 11:14:00,645 INFO L933 BasicCegarLoop]: 2670 mSDtfsCounter, 4254 mSDsluCounter, 3523 mSDsCounter, 0 mSdLazyCounter, 5244 mSolverCounterSat, 1977 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4388 SdHoareTripleChecker+Valid, 6193 SdHoareTripleChecker+Invalid, 7221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1977 IncrementalHoareTripleChecker+Valid, 5244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-18 11:14:00,645 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4388 Valid, 6193 Invalid, 7221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1977 Valid, 5244 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-18 11:14:00,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35367 states. [2021-12-18 11:14:01,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35367 to 35127. [2021-12-18 11:14:01,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35127 states, 26278 states have (on average 1.3110586802648603) internal successors, (34452), 26795 states have internal predecessors, (34452), 6813 states have call successors, (6813), 2046 states have call predecessors, (6813), 2033 states have return successors, (6859), 6749 states have call predecessors, (6859), 6809 states have call successors, (6859) [2021-12-18 11:14:01,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35127 states to 35127 states and 48124 transitions. [2021-12-18 11:14:01,960 INFO L78 Accepts]: Start accepts. Automaton has 35127 states and 48124 transitions. Word has length 473 [2021-12-18 11:14:01,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:14:01,961 INFO L470 AbstractCegarLoop]: Abstraction has 35127 states and 48124 transitions. [2021-12-18 11:14:01,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (53), 5 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 11:14:01,961 INFO L276 IsEmpty]: Start isEmpty. Operand 35127 states and 48124 transitions. [2021-12-18 11:14:01,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2021-12-18 11:14:01,971 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:14:01,971 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 14, 13, 13, 3, 3, 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] [2021-12-18 11:14:01,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-18 11:14:01,971 INFO L402 AbstractCegarLoop]: === Iteration 21 === 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 11:14:01,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:14:01,972 INFO L85 PathProgramCache]: Analyzing trace with hash 2128309141, now seen corresponding path program 1 times [2021-12-18 11:14:01,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:14:01,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825484247] [2021-12-18 11:14:01,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:14:01,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:14:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:14:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:14:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:14:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:14:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:14:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:14:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:14:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:14:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:14:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:14:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:14:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:14:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:14:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:14:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:14:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:14:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:14:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:14:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:14:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:14:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:14:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:14:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:14:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 11:14:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 11:14:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:14:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 11:14:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 11:14:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 11:14:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 11:14:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 11:14:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 11:14:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-18 11:14:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 11:14:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 11:14:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 11:14:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-18 11:14:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-12-18 11:14:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-18 11:14:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-18 11:14:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-18 11:14:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-12-18 11:14:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 11:14:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-12-18 11:14:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-18 11:14:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-18 11:14:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:02,839 INFO L134 CoverageAnalysis]: Checked inductivity of 3773 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3747 trivial. 0 not checked. [2021-12-18 11:14:02,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:14:02,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825484247] [2021-12-18 11:14:02,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825484247] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:14:02,840 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:14:02,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:14:02,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504631064] [2021-12-18 11:14:02,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:14:02,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:14:02,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:14:02,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:14:02,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:14:02,842 INFO L87 Difference]: Start difference. First operand 35127 states and 48124 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 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 11:14:05,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:14:05,750 INFO L93 Difference]: Finished difference Result 35373 states and 48454 transitions. [2021-12-18 11:14:05,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 11:14:05,751 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 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 438 [2021-12-18 11:14:05,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:14:05,860 INFO L225 Difference]: With dead ends: 35373 [2021-12-18 11:14:05,860 INFO L226 Difference]: Without dead ends: 35369 [2021-12-18 11:14:05,877 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 149 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 11:14:05,879 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 816 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 816 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-18 11:14:05,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [816 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-18 11:14:05,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35369 states. [2021-12-18 11:14:07,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35369 to 35129. [2021-12-18 11:14:07,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35129 states, 26280 states have (on average 1.3109969558599694) internal successors, (34453), 26796 states have internal predecessors, (34453), 6813 states have call successors, (6813), 2047 states have call predecessors, (6813), 2033 states have return successors, (6859), 6749 states have call predecessors, (6859), 6809 states have call successors, (6859) [2021-12-18 11:14:07,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35129 states to 35129 states and 48125 transitions. [2021-12-18 11:14:07,213 INFO L78 Accepts]: Start accepts. Automaton has 35129 states and 48125 transitions. Word has length 438 [2021-12-18 11:14:07,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:14:07,213 INFO L470 AbstractCegarLoop]: Abstraction has 35129 states and 48125 transitions. [2021-12-18 11:14:07,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 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 11:14:07,214 INFO L276 IsEmpty]: Start isEmpty. Operand 35129 states and 48125 transitions. [2021-12-18 11:14:07,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2021-12-18 11:14:07,222 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:14:07,223 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 27, 27, 27, 27, 27, 27, 15, 14, 14, 5, 5, 5, 3, 3, 3, 3, 3, 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 11:14:07,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-18 11:14:07,223 INFO L402 AbstractCegarLoop]: === Iteration 22 === 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 11:14:07,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:14:07,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1200098573, now seen corresponding path program 1 times [2021-12-18 11:14:07,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:14:07,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223876510] [2021-12-18 11:14:07,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:14:07,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:14:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:14:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:14:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:14:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:07,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:14:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:14:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:14:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:14:07,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:14:07,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:14:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:14:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:14:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:14:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:14:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:14:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:14:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:07,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:14:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:14:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:14:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:14:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:14:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:14:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:14:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:14:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 11:14:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 11:14:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:14:07,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 11:14:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 11:14:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 11:14:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 11:14:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 11:14:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 11:14:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-18 11:14:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-12-18 11:14:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 11:14:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-12-18 11:14:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-12-18 11:14:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 11:14:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 11:14:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-12-18 11:14:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-18 11:14:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-12-18 11:14:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-12-18 11:14:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 11:14:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-12-18 11:14:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-18 11:14:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 11:14:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-12-18 11:14:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-12-18 11:14:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-18 11:14:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-12-18 11:14:07,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2021-12-18 11:14:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-12-18 11:14:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:07,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4048 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 4009 trivial. 0 not checked. [2021-12-18 11:14:07,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:14:07,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223876510] [2021-12-18 11:14:07,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223876510] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:14:07,627 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:14:07,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 11:14:07,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979589066] [2021-12-18 11:14:07,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:14:07,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 11:14:07,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:14:07,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 11:14:07,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:14:07,629 INFO L87 Difference]: Start difference. First operand 35129 states and 48125 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (56), 4 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2021-12-18 11:14:14,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:14:14,867 INFO L93 Difference]: Finished difference Result 76638 states and 105042 transitions. [2021-12-18 11:14:14,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 11:14:14,868 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (56), 4 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 482 [2021-12-18 11:14:14,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:14:14,983 INFO L225 Difference]: With dead ends: 76638 [2021-12-18 11:14:14,983 INFO L226 Difference]: Without dead ends: 43550 [2021-12-18 11:14:15,038 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 165 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 11:14:15,039 INFO L933 BasicCegarLoop]: 5115 mSDtfsCounter, 4156 mSDsluCounter, 3211 mSDsCounter, 0 mSdLazyCounter, 5079 mSolverCounterSat, 2175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4465 SdHoareTripleChecker+Valid, 8326 SdHoareTripleChecker+Invalid, 7254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2175 IncrementalHoareTripleChecker+Valid, 5079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-12-18 11:14:15,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4465 Valid, 8326 Invalid, 7254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2175 Valid, 5079 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-12-18 11:14:15,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43550 states. [2021-12-18 11:14:16,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43550 to 43250. [2021-12-18 11:14:16,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43250 states, 32365 states have (on average 1.3114166537926772) internal successors, (42444), 32997 states have internal predecessors, (42444), 8381 states have call successors, (8381), 2516 states have call predecessors, (8381), 2501 states have return successors, (8439), 8309 states have call predecessors, (8439), 8377 states have call successors, (8439) [2021-12-18 11:14:16,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43250 states to 43250 states and 59264 transitions. [2021-12-18 11:14:16,709 INFO L78 Accepts]: Start accepts. Automaton has 43250 states and 59264 transitions. Word has length 482 [2021-12-18 11:14:16,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:14:16,709 INFO L470 AbstractCegarLoop]: Abstraction has 43250 states and 59264 transitions. [2021-12-18 11:14:16,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (56), 4 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2021-12-18 11:14:16,710 INFO L276 IsEmpty]: Start isEmpty. Operand 43250 states and 59264 transitions. [2021-12-18 11:14:16,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2021-12-18 11:14:16,719 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:14:16,720 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 15, 14, 14, 3, 3, 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] [2021-12-18 11:14:16,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-18 11:14:16,720 INFO L402 AbstractCegarLoop]: === Iteration 23 === 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 11:14:16,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:14:16,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1316295330, now seen corresponding path program 1 times [2021-12-18 11:14:16,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:14:16,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216033684] [2021-12-18 11:14:16,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:14:16,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:14:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:14:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:14:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:14:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:16,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:14:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:14:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:14:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:14:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:14:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:14:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:14:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:14:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:14:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:16,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:14:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:14:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:14:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:14:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:14:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:14:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:16,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:14:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:14:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:17,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:14:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:14:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:14:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 11:14:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 11:14:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:14:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 11:14:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 11:14:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 11:14:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 11:14:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 11:14:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 11:14:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-18 11:14:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 11:14:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 11:14:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 11:14:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-18 11:14:17,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-12-18 11:14:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-18 11:14:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-18 11:14:17,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-18 11:14:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-12-18 11:14:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-18 11:14:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-12-18 11:14:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-18 11:14:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-18 11:14:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-12-18 11:14:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:17,164 INFO L134 CoverageAnalysis]: Checked inductivity of 3827 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 3799 trivial. 0 not checked. [2021-12-18 11:14:17,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:14:17,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216033684] [2021-12-18 11:14:17,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216033684] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:14:17,165 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:14:17,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:14:17,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365355702] [2021-12-18 11:14:17,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:14:17,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:14:17,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:14:17,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:14:17,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:14:17,166 INFO L87 Difference]: Start difference. First operand 43250 states and 59264 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 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 11:14:20,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:14:20,556 INFO L93 Difference]: Finished difference Result 43546 states and 59659 transitions. [2021-12-18 11:14:20,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 11:14:20,557 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 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 443 [2021-12-18 11:14:20,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:14:20,690 INFO L225 Difference]: With dead ends: 43546 [2021-12-18 11:14:20,690 INFO L226 Difference]: Without dead ends: 43282 [2021-12-18 11:14:20,710 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 151 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 11:14:20,712 INFO L933 BasicCegarLoop]: 2846 mSDtfsCounter, 3041 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2092 mSolverCounterSat, 815 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3303 SdHoareTripleChecker+Valid, 8588 SdHoareTripleChecker+Invalid, 2907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 815 IncrementalHoareTripleChecker+Valid, 2092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-18 11:14:20,713 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3303 Valid, 8588 Invalid, 2907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [815 Valid, 2092 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-18 11:14:20,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43282 states. [2021-12-18 11:14:22,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43282 to 34907. [2021-12-18 11:14:22,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34907 states, 26145 states have (on average 1.311684834576401) internal successors, (34294), 26643 states have internal predecessors, (34294), 6749 states have call successors, (6749), 2015 states have call predecessors, (6749), 2011 states have return successors, (6799), 6712 states have call predecessors, (6799), 6749 states have call successors, (6799) [2021-12-18 11:14:22,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34907 states to 34907 states and 47842 transitions. [2021-12-18 11:14:22,262 INFO L78 Accepts]: Start accepts. Automaton has 34907 states and 47842 transitions. Word has length 443 [2021-12-18 11:14:22,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:14:22,262 INFO L470 AbstractCegarLoop]: Abstraction has 34907 states and 47842 transitions. [2021-12-18 11:14:22,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 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 11:14:22,263 INFO L276 IsEmpty]: Start isEmpty. Operand 34907 states and 47842 transitions. [2021-12-18 11:14:22,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2021-12-18 11:14:22,275 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:14:22,275 INFO L514 BasicCegarLoop]: trace histogram [29, 29, 28, 28, 28, 28, 28, 28, 5, 5, 2, 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] [2021-12-18 11:14:22,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-18 11:14:22,276 INFO L402 AbstractCegarLoop]: === Iteration 24 === 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 11:14:22,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:14:22,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1317154351, now seen corresponding path program 1 times [2021-12-18 11:14:22,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:14:22,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245737409] [2021-12-18 11:14:22,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:14:22,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:14:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:14:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:14:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:14:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:14:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:14:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:14:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:14:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:14:22,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:14:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:14:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:14:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:14:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:14:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:14:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:14:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:14:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:14:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:14:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:14:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:14:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:14:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:14:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:14:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 11:14:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 11:14:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:14:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 11:14:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 11:14:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 11:14:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 11:14:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 11:14:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-18 11:14:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 11:14:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-18 11:14:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-18 11:14:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-12-18 11:14:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 11:14:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-12-18 11:14:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 11:14:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2021-12-18 11:14:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-12-18 11:14:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:22,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3529 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3529 trivial. 0 not checked. [2021-12-18 11:14:22,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:14:22,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245737409] [2021-12-18 11:14:22,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245737409] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:14:22,764 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:14:22,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:14:22,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306151848] [2021-12-18 11:14:22,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:14:22,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:14:22,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:14:22,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:14:22,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:14:22,766 INFO L87 Difference]: Start difference. First operand 34907 states and 47842 transitions. Second operand has 4 states, 4 states have (on average 41.25) internal successors, (165), 3 states have internal predecessors, (165), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-12-18 11:14:27,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:14:27,207 INFO L93 Difference]: Finished difference Result 90475 states and 123863 transitions. [2021-12-18 11:14:27,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:14:27,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.25) internal successors, (165), 3 states have internal predecessors, (165), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 495 [2021-12-18 11:14:27,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:14:27,405 INFO L225 Difference]: With dead ends: 90475 [2021-12-18 11:14:27,406 INFO L226 Difference]: Without dead ends: 55338 [2021-12-18 11:14:27,576 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 146 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 11:14:27,577 INFO L933 BasicCegarLoop]: 3750 mSDtfsCounter, 3340 mSDsluCounter, 3861 mSDsCounter, 0 mSdLazyCounter, 1700 mSolverCounterSat, 1059 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3691 SdHoareTripleChecker+Valid, 7611 SdHoareTripleChecker+Invalid, 2759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1059 IncrementalHoareTripleChecker+Valid, 1700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-18 11:14:27,577 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3691 Valid, 7611 Invalid, 2759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1059 Valid, 1700 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-18 11:14:27,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55338 states. [2021-12-18 11:14:29,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55338 to 55002. [2021-12-18 11:14:29,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55002 states, 41293 states have (on average 1.3072675756181436) internal successors, (53981), 42102 states have internal predecessors, (53981), 10479 states have call successors, (10479), 3238 states have call predecessors, (10479), 3228 states have return successors, (10553), 10401 states have call predecessors, (10553), 10477 states have call successors, (10553) [2021-12-18 11:14:30,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55002 states to 55002 states and 75013 transitions. [2021-12-18 11:14:30,085 INFO L78 Accepts]: Start accepts. Automaton has 55002 states and 75013 transitions. Word has length 495 [2021-12-18 11:14:30,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:14:30,086 INFO L470 AbstractCegarLoop]: Abstraction has 55002 states and 75013 transitions. [2021-12-18 11:14:30,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.25) internal successors, (165), 3 states have internal predecessors, (165), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-12-18 11:14:30,086 INFO L276 IsEmpty]: Start isEmpty. Operand 55002 states and 75013 transitions. [2021-12-18 11:14:30,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2021-12-18 11:14:30,102 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:14:30,102 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 27, 27, 27, 27, 27, 27, 13, 13, 13, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2021-12-18 11:14:30,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-18 11:14:30,103 INFO L402 AbstractCegarLoop]: === Iteration 25 === 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 11:14:30,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:14:30,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1449205248, now seen corresponding path program 1 times [2021-12-18 11:14:30,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:14:30,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538113853] [2021-12-18 11:14:30,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:14:30,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:14:30,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:14:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:14:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:14:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:14:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:14:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:14:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:14:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:14:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:14:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:14:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:14:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:14:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:14:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:14:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:14:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:14:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:14:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:14:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:14:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:14:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:14:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:14:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:14:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 11:14:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 11:14:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 11:14:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 11:14:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 11:14:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-18 11:14:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-18 11:14:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 11:14:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 11:14:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-12-18 11:14:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-12-18 11:14:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-12-18 11:14:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 11:14:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:14:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 11:14:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-12-18 11:14:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:14:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 11:14:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-18 11:14:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:14:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 11:14:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-12-18 11:14:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:14:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 11:14:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-12-18 11:14:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-12-18 11:14:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2021-12-18 11:14:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-18 11:14:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2021-12-18 11:14:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2021-12-18 11:14:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-12-18 11:14:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-12-18 11:14:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-12-18 11:14:30,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:30,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4183 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4173 trivial. 0 not checked. [2021-12-18 11:14:30,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:14:30,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538113853] [2021-12-18 11:14:30,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538113853] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:14:30,724 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:14:30,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:14:30,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152384989] [2021-12-18 11:14:30,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:14:30,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:14:30,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:14:30,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:14:30,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:14:30,725 INFO L87 Difference]: Start difference. First operand 55002 states and 75013 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, (55), 3 states have call predecessors, (55), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2021-12-18 11:14:35,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:14:35,281 INFO L93 Difference]: Finished difference Result 121073 states and 164940 transitions. [2021-12-18 11:14:35,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:14:35,282 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, (55), 3 states have call predecessors, (55), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 542 [2021-12-18 11:14:35,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:14:35,549 INFO L225 Difference]: With dead ends: 121073 [2021-12-18 11:14:35,549 INFO L226 Difference]: Without dead ends: 66119 [2021-12-18 11:14:35,682 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 178 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 11:14:35,683 INFO L933 BasicCegarLoop]: 4120 mSDtfsCounter, 1810 mSDsluCounter, 4093 mSDsCounter, 0 mSdLazyCounter, 1541 mSolverCounterSat, 545 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2044 SdHoareTripleChecker+Valid, 8213 SdHoareTripleChecker+Invalid, 2086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 545 IncrementalHoareTripleChecker+Valid, 1541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-18 11:14:35,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2044 Valid, 8213 Invalid, 2086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [545 Valid, 1541 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-18 11:14:35,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66119 states.